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|Ship image=US Navy Fast Patrol Boat PTF-24.jpg |Ship image=US Navy Fast Patrol Boat PTF-24.jpg
|Ship image size=300px |Ship image size=300px
|Ship caption=] PTF boat PTF-24 in 1973,<br> a ] |Ship caption=] PTF boat ''PTF-24'' in 1973,<br> a ]
}} }}
{{Infobox ship class overview {{Infobox ship class overview
|Name=PTF (Patrol Torpedo, Fast) |Name=PTF (Patrol Torpedo, Fast)
|Builders=* ](14) |Builders=* ] (14)
* ](7) * ] (7)
* ](4) (now Swiftships) * ] (4)
* ](1) * ] (1)
|Operators= |Operators=
*] *]
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|Subclasses= |Subclasses=
|Cost= |Cost=
|Built range=1963-1970 |Built range=1963–1970
|In service range=1963-1978 |In service range=1963–1978
|In commission range= |In commission range=
|Total ships building= |Total ships building=
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|Ship displacement= |Ship displacement=
|Ship length= |Ship length=
*{{convert|80|ft|4|in|m|abbr=on}} (]) *{{convert|80|ft|4|in|m|abbr=on}} (])
*{{convert|94.5|ft|abbr=on}} (])<ref>{{Cite web|url=https://www.navypedia.org/ships/usa/us_sc_ptf23.htm|title="Osprey" patrol boats (PTF23) (1968)|website=www.navypedia.org}}</ref> *{{convert|94.5|ft|abbr=on}} (])<ref>{{Cite web|url=https://www.navypedia.org/ships/usa/us_sc_ptf23.htm|title="Osprey" patrol boats (PTF23) (1968)|website=www.navypedia.org}}</ref>
|Ship beam= {{convert|24|ft|7|in|m|abbr=on}} |Ship beam= {{convert|24|ft|7|in|m|abbr=on}}
|Ship height= |Ship height=
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|Ship ice class= |Ship ice class=
|Ship power={{convert|6200|bhp|0|abbr=on}} |Ship power={{convert|6200|bhp|0|abbr=on}}
|Ship propulsion=2x ] Turboblown ]s |Ship propulsion=2 × ] Turboblown ]s
|Ship speed= {{convert|40|kn|km/h mph}} (Mk I) |Ship speed= {{convert|40|kn}} (Mk I)
|Ship range= 912 nautical miles at 20 knots |Ship range= {{cvt|912|nmi}} at {{cvt|20|kn}}
|Ship boats= |Ship boats=
|Ship complement=12 |Ship complement=12
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|Ship EW= |Ship EW=
|Ship armament= |Ship armament=
* 2 x ]<ref name="PCFH">{{cite web | url=https://homelandmagazine.com/patrol-craft-fast/ | title=PATROL CRAFT FAST &#124; Homeland Magazine }}</ref> * 2 × ]<ref name="PCFH">{{cite web | url=https://homelandmagazine.com/patrol-craft-fast/ | title=PATROL CRAFT FAST &#124; Homeland Magazine }}</ref>
* 1x ] foredeck <ref name="PCFH"/> * 1 × ] foredeck<ref name="PCFH"/>
* 1X ] foredeck * 1 × ] foredeck
* 1x ] rear * 1 × ] rear
|Ship armor= |Ship armor=
|Ship notes= |Ship notes=
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|} |}
{{Campaignbox Vietnam War}} {{Campaignbox Vietnam War}}
] and PTF-23 in 1974]] ]
'''''PTF boat''''', (short for '''Patrol Torpedo, Fast''') are fast ] ]s introduced in the early part of the ]. The PTF designation was give to 26 boats with four different boat designs. The PTF boats were the Vietnam War "]" river boats version of the World War II ]s. They were heavily armed ]s that were used by the US Navy and by ].<ref name="auto">{{Cite web|url=https://www.military.com/special-operations/about-the-navy-seals.html|title=Navy SEALs: Background and Brief History|first=Military com|last=Published|date=July 17, 2024|website=Military.com}}</ref> The first two PTF boats were commissioned 21 December 1962. The last two PTF were commissioned on 8 April 1968. PFT boats were replaced by the new ] (PCF) boats that were more widely used in Vietnam. There are five PTF boats that have survived and are in various state of restoration. The ''Torpedo Boat, Fast'' designation is a hold over from World War II, as PTF boats were not equipped with ]es, as they were mostly used in shallow river waters.<ref name="auto3">{{Cite web|url=http://shipbuildinghistory.com/smallships/pt.htm|title=Torpedo Boats PT BPT WWII}}</ref><ref name="auto5">Department of Defense Legacy Resource Management Program, Vietnam War: Special Operation Forces and Warfare Training on U.S. Military Installations, Vietnam Historic Context, Jayne Aaron, LEED AP, Architectural Historian, Steven Christopher Baker, PhD, Historian, February 2020, page 2-36 </ref> <ref name="auto6">Marolda and Pryce III, Short History of the United States Navy</ref><ref>Charles R. Smith, U.S. Marines in Vietnam: High Mobility and Standdown, 1969, Washington D.C.: History and Museums Division, U.S. Marine Corps, 1988</ref> '''PTF boat''', (short for '''Patrol Torpedo, Fast''') are fast ] ]s introduced in the early part of the ]. The PTF designation was give to 26 boats with four different boat designs. The PTF boats were the Vietnam War "]" river boats version of the World War II ]s. They were heavily armed ]s that were used by the US Navy and by ].<ref name="auto">{{Cite web|url=https://www.military.com/special-operations/about-the-navy-seals.html|title=Navy SEALs: Background and Brief History|first=Military com|last=Published|date=July 17, 2024|website=Military.com}}</ref> The first two PTF boats were commissioned 21 December 1962. The last two PTF were commissioned on 8 April 1968. PFT boats were replaced by the new ] (PCF) boats that were more widely used in Vietnam. There are five PTF boats that have survived and are in various state of restoration. The "Torpedo Boat, Fast" designation is a hold over from World War II, as PTF boats were not equipped with ]es, as they were mostly used in shallow river waters.<ref name="auto3">{{Cite web|url=http://shipbuildinghistory.com/smallships/pt.htm|title=Torpedo Boats PT BPT WWII}}</ref><ref name="auto5">Department of Defense Legacy Resource Management Program, Vietnam War: Special Operation Forces and Warfare Training on U.S. Military Installations, Vietnam Historic Context, Jayne Aaron, LEED AP, Architectural Historian, Steven Christopher Baker, PhD, Historian, February 2020, page 2-36 </ref> <ref name="auto6">Marolda and Pryce III, Short History of the United States Navy</ref><ref>Charles R. Smith, U.S. Marines in Vietnam: High Mobility and Standdown, 1969, Washington D.C.: History and Museums Division, U.S. Marine Corps, 1988</ref>


==History== ==History==
Following ] the US Navy had little use for ], so almost all of the ]s were scrapped at the ] in 1945. PT boats were not needed during the ]. But, as the ] involvement in the Vietnam grew, the Navy saw a need for small combatant boats for the US Navy's "]" river operations. <ref name="auto"/> In 1962, two prototype Korean War PT boats were put back in to service as PTF-1 and PTF-2 .<ref name="auto1">{{Cite web|url=http://www.navsource.org/archives/12/05810.htm|title=PT-810|website=www.navsource.org}}</ref><ref name="auto2">{{Cite web|url=http://www.navsource.org/archives/12/05811.htm|title=PT-811|website=www.navsource.org}}</ref>. PTF-1 and PTF-2 were used by ] for Special Forces activity. The first SEALs arrived in ] in 1962 as advisers to the Vietnamese naval commandos. They trained the commandos in maritime infiltration techniques and counterinsurgency warfare.<ref name="auto5"/> <ref name="auto6"/><ref name="auto"/>. Due to the immediate need for fast attack river craft, the US Navy looked at boats already in service with other nations. The ] had built the ] a prototype boat in 1958 by ] in ]. HNoMS ''Nasty'' was designed by Jan Herman Linge. Her prototype boat was of a wooden hull construction. From this boat the Royal Norwegian Navy built a line of 20 ]s. Starting on 1 January 1963, the US Navy took delivery of the first Båtbyggeri boats, with designation ]. A total of 14 ''Nasty-class'' patrol boats were built by Båtbyggeri between 1963 and 1965. Båtbyggeri licensed ] in ] to built seven ''Nasty-class'' boat in 1968 and 1970. Some parts of the Trumpy boats were imported from Norway, such as the keel and stem. Sewart Seacraft (Swiftships) in ] build four PTF boats of the ] in 1968. The PTF boats were used in Vietnam and operated out of ]. The boats operated in the ]. Each PTF boat carried a 12-man team. The PTF boats supplemented the large fleet of aluminum hulled ], PCF boats. PTF were used to carrying out hit-and-run and landing operations. PTF were also used for Army-Navy-SEAL landing, supply drops, base security patrols, Harbor security patrols, intelligence gathering, and rescue operations. In December 1965, the US Navy started ], in which PTF and PCF boats patrolled the major rivers and canals in the Mekong Delta and ]. <ref name="Kutler 1996 352">{{cite book|last=Kutler|first=Stanley I.|title=Encyclopedia of the Vietnam War|year=1996|publisher=Charles Scribner's Sons|location=New York|isbn=0-13-276932-8|oclc= 32970270|page=352}}</ref><ref>{{cite book|last=Carhart|first=Tom|title=Battles and Campaigns In Vietnam: 1954-184|year=1984|publisher=Military Press|location=New York|isbn=0-517-425009|oclc=11494209|pages=78–80}}</ref><ref>{{cite book|last=Schreadley|first=R. L.|title=From the Rivers to the Sea: The U.S. Navy in Vietnam|year=1992|publisher=Naval Institute Press|location=Annapolis, Maryland|isbn=0-87021-772-0|oclc=23902015|page=148}}</ref> Most US Navy crews and ] underwent PTF training at the ].<ref>{{cite conference|author=La Tourette, Robert |title=The San Diego Naval Complex |publisher=United States Naval Institute Proceedings |date=June 1968}}</ref> <ref name="auto5"/><ref name="auto6"/> PTF were used by CSS Intelligence Department and Tactical Operations Department, founded April 1, 1964, that were stationed at Lower Base in Tien Sa. CSS also founded two camps: Phoenix va DoDo at ] (Paradise Island). The PTF boats at these camps were from Vietnamese Navy Headquarter.<ref>{{Cite web|url=https://sogsite.com/coastal-security-service/|title=Coastal Security Service – MACV-SOG|date=November 22, 2024}}</ref> ] provided combat craft support for SEAL operations, as did ] and ] sailors. In February 1964, Boat Support Unit ONE was founded under Naval Operations Support Group, Pacific. Boat Support Unit ONE crews operated the PTF boat program. Boat Support Unit Two was formed later, both were later renamed Coastal River Squadron 1 and 2.<ref name="auto6"/><ref>Jack Shulimson, Leonard A. Balsiol, Charles R. Smith , and David A. Dawson, U.S. Marines in Vietnam: The Defining Year, 1968, Washington D.C.: History and Museums Division, U.S. Marine Corps, 1997</ref> Boat Support Unit ONE supported the Navy Special Warfare forces in Vietnam. In 1965, Boat Support Squadron ONE started training PFT and PCF crews for Vietnamese coastal patrol and interdiction operations.<ref>U.S. Marines in Vietnam: Fighting the north Vietnamese, 1967, by Gary L. Telfer, Lane Rodgers, and V. Keith Fleming, Jr., Washington D.C., History and Museums Division, U.S. Marine Corps, 1984</ref> In January 1963, US Navy ] (Navy Construction Battalion) arrived ] to built support bases. Seabees built a PFT and PCF base, also a vast support base at Danang and ]. These bases support the US Navy, and Marine Corps forces, also some Air Force units and some Army units. PFT noted raids were on ], ] and ] radar sites, ], and ]. The PTF raids ended in 1971. The PTF boats were take to ] and formed the ] unit in 1972. The PTF boats were taken out of service in 1976 and 1978, with PTF-13 removed in 1972.<ref>{{Cite web|url=https://www.military.com/special-operations/navy-seals-missions-and-history.html|title=Navy SEALs: Missions|first=Military com|last=Published|date=July 17, 2024|website=Military.com}}</ref> <ref name="auto"/> <ref name="auto5"/> <ref name="auto6"/> Following ] the ] had little use for ], so almost all of the ]s were scrapped at the ] in 1945. PT boats were not needed during the ]. But, as the United States involvement in the Vietnam grew, the Navy saw a need for small combatant boats for the US Navy's "]" river operations. <ref name="auto"/> In 1962, two prototype Korean War PT boats were put back in to service as ''PTF-1'' and ''PTF-2'' .<ref name="auto1">{{Cite web|url=http://www.navsource.org/archives/12/05810.htm|title=PT-810|website=www.navsource.org}}</ref><ref name="auto2">{{Cite web|url=http://www.navsource.org/archives/12/05811.htm|title=PT-811|website=www.navsource.org}}</ref> ''PTF-1'' and ''PTF-2 ''were used by ] for special forces activity. The first SEALs arrived in ] in 1962 as advisers to the Vietnamese naval commandos. They trained the commandos in maritime infiltration techniques and counterinsurgency warfare.<ref name="auto5"/> <ref name="auto6"/><ref name="auto"/>. Due to the immediate need for fast attack river craft, the US Navy looked at boats already in service with other nations. The ] had built {{HNoMS|Nasty}}, a prototype boat, in 1958 by ] in ]. HNoMS ''Nasty'' was designed by Jan Herman Linge. Her prototype boat was of a wooden hull construction. From this boat the Royal Norwegian Navy built a line of 20 {{sclass|Tjeld|patrol boat|0}} patrol boats. Starting on 1 January 1963, the US Navy took delivery of the first Båtbyggeri boats, with designation ]. A total of 14 ''Nasty-class'' patrol boats were built by Båtbyggeri between 1963 and 1965. Båtbyggeri licensed ] in ] to built seven ''Nasty''-class boats in 1968 and 1970. Some parts of the Trumpy boats were imported from Norway, such as the keel and stem. Sewart Seacraft (Swiftships) in ] build four PTF boats of the ] in 1968. The PTF boats were used in Vietnam and operated out of ]. The boats operated in the ]. Each PTF boat carried a 12-man team. The PTF boats supplemented the large fleet of aluminum hulled ] (PCF) boats. PTFs were used to carrying out hit-and-run and landing operations. PTFs were also used for ]-Navy-SEAL landing, supply drops, base security patrols, harbor security patrols, intelligence gathering, and rescue operations. In December 1965, the US Navy started ], in which PTF and PCF boats patrolled the major rivers and canals in the ] and ].<ref name="Kutler 1996 352">{{cite book|last=Kutler|first=Stanley I.|title=Encyclopedia of the Vietnam War|year=1996|publisher=Charles Scribner's Sons|location=New York|isbn=0-13-276932-8|oclc= 32970270|page=352}}</ref><ref>{{cite book|last=Carhart|first=Tom|title=Battles and Campaigns In Vietnam: 1954-184|year=1984|publisher=Military Press|location=New York|isbn=0-517-425009|oclc=11494209|pages=78–80}}</ref><ref>{{cite book|last=Schreadley|first=R. L.|title=From the Rivers to the Sea: The U.S. Navy in Vietnam|year=1992|publisher=Naval Institute Press|location=Annapolis, Maryland|isbn=0-87021-772-0|oclc=23902015|page=148}}</ref> Most US Navy crews and ] underwent PTF training at the ].<ref>{{cite conference|last=La Tourette |first=Robert |title=The San Diego Naval Complex |publisher=United States Naval Institute Proceedings |date=June 1968}}</ref> <ref name="auto5"/><ref name="auto6"/> PTF were used by CSS Intelligence Department and Tactical Operations Department, founded April 1, 1964, that were stationed at Lower Base in Tien Sa. CSS also founded two camps: Phoenix va DoDo at ] (Paradise Island). The PTF boats at these camps were from Vietnamese Navy headquarters.<ref>{{Cite web|url=https://sogsite.com/coastal-security-service/|title=Coastal Security Service – MACV-SOG|date=November 22, 2024}}</ref> ] provided combat craft support for SEAL operations, as did ] and ] sailors. In February 1964, Boat Support Unit One was founded under Naval Operations Support Group, Pacific. Boat Support Unit One crews operated the PTF boat program. Boat Support Unit Two was formed later, both were later renamed Coastal River Squadron 1 and 2.<ref name="auto6"/><ref>Jack Shulimson, Leonard A. Balsiol, Charles R. Smith , and David A. Dawson, U.S. Marines in Vietnam: The Defining Year, 1968, Washington D.C.: History and Museums Division, U.S. Marine Corps, 1997</ref> Boat Support Unit One supported the Navy Special Warfare forces in Vietnam. In 1965, Boat Support Squadron One started training PFT and PCF crews for Vietnamese coastal patrol and interdiction operations.<ref>U.S. Marines in Vietnam: Fighting the north Vietnamese, 1967, by Gary L. Telfer, Lane Rodgers, and V. Keith Fleming, Jr., Washington D.C., History and Museums Division, U.S. Marine Corps, 1984</ref> In January 1963, US Navy ] (Navy Construction Battalion) arrived ] to built support bases. Seabees built a PFT and PCF base, also a vast support base at ] and ]. These bases support the US Navy, and Marine Corps forces, also some Air Force units and some Army units. PFT noted raids were on ], ] and ] radar sites, ], and ]. The PTF raids ended in 1971. The PTF boats were take to ] and formed the ] unit in 1972. The PTF boats were taken out of service in 1976 and 1978, with ''PTF-13'' removed in 1972.<ref>{{Cite web|url=https://www.military.com/special-operations/navy-seals-missions-and-history.html|title=Navy SEALs: Missions|first=Military com|last=Published|date=July 17, 2024|website=Military.com}}</ref> <ref name="auto"/> <ref name="auto5"/> <ref name="auto6"/>


==PTF Boats== ==PTF boats==
===Prototype PTF=== ===Prototype PTF===
The two prototype PTF, PTF-1 and PTF-2 were built for the ] in 1951. Both boats a top speed of over 40 knots from the four 2,500 hp ] W-100 gasoline engines with shafts. PTF-1 and PTF-2 were armed with two ]s, two twin ], one ], one "Piggyback" ] and one ]. Both arrived in DaNang, Vietnam in April 1964. In 1965 after a year of service, the two PTF Boats were 14 years old, with no spare parts, and outdated, they were replaced by newer PTF and ] boats. Both boats were removed from service and used as US Navy targets. PTC-1 was sunk off Vietnam and PTC-2 was sunk off the ]. <ref name="auto3"/><ref name="auto1"/> The two prototype PTF, ''PTF-1'' and ''PTF-2'' were built for the ] in 1951. Both boats a top speed of over {{convert|40|kn|lk=in}} from the four {{convert|2500|hp|lk=in|adj=on}} ] W-100 gasoline engines with shafts. ''PTF-1'' and ''PTF-2'' were armed with two ]s, two twin ], one ], one "Piggyback" ] and one ]. Both arrived in Da Nang, Vietnam in April 1964. In 1965 after a year of service, the two PTF Boats were 14 years old, with no spare parts, and outdated, they were replaced by newer PTF and PCF boats. Both boats were removed from service and used as US Navy targets. ''PTC-1'' was sunk off Vietnam and ''PTC-2'' was sunk off the ]. <ref name="auto3"/><ref name="auto1"/>
<br> <br>
*'''PTF-1''' was built by ] in ] in 1951 as PT-810. PTF-1 had a light displacement of {{convert|90|LT|t|0|lk=in|abbr=on}}, length of {{convert|89|ft|0|in|m|abbr=on}}, beam of {{convert|24|ft|1|in|m|abbr=on}}, and draft of {{convert|5|ft|9|in|m|abbr=on}}. She was put in service on 24 November 1951 and was struck from the Naval Register 1 November 1959. She was reactivated on 21 Dec. 1962. PTF 1 was sunk as target 1965.<ref name="auto1"/><ref name="auto3"/><ref name="auto2"/> *''PTF-1'' was built by ] in ] in 1951 as ''PT-810''. ''PTF-1'' had a light displacement of {{convert|90|LT|t|lk=in|abbr=on}}, length of {{convert|89|ft|0|in|m|abbr=on}}, beam of {{convert|24|ft|1|in|m|abbr=on}}, and draft of {{convert|5|ft|9|in|m|abbr=on}}. She was put in service on 24 November 1951 and was struck from the Naval Register 1 November 1959. She was reactivated on 21 December 1962. ''PTF 1'' was sunk as a target in 1965.<ref name="auto1"/><ref name="auto3"/><ref name="auto2"/>
*'''PTF-2''' was built by ] in ] in 1951 as PT-811. PTF-2 had a light displacement of {{convert|94|LT|t|0|lk=in|abbr=on}}, and length of {{convert|94|ft|0|in|m|abbr=on}}, beam of {{convert|24|ft|11|in|m|abbr=on}}, and draft of {{convert|4|ft|2|in|m|abbr=on}}. She was put in service on 6 March 1951 and was struck from the Naval Register 1 November 1959. She was reactivated on 21 Dec. 1962. PTF-2 was sunk as target 1965.<ref name="auto2"/><ref name="auto3"/> *''PTF-2'' was built by ] in ] in 1951 as ''PT-811''. ''PTF-2'' had a light displacement of {{convert|94|LT|t|lk=in}}, and length of {{convert|94|ft|0|in|m|abbr=on}}, beam of {{convert|24|ft|11|in|m|abbr=on}}, and draft of {{convert|4|ft|2|in|m|abbr=on}}. She was put in service on 6 March 1951 and was struck from the Naval Register 1 November 1959. She was reactivated on 21 December 1962. ''PTF-2'' was sunk as a target in 1965.<ref name="auto2"/><ref name="auto3"/>


===Nasty-class=== ===''Nasty'' class===
{{main|United States Nasty-class patrol boat}} {{main|United States Nasty-class patrol boat}}
] were built by two ]s. PTF boats 3, 4, 5 and 6 arrived in DaNang, Vietnam in May 1964. PTF-7 and PTF-8 arrived in DaNang in July 1964. Nasty-class boats have a displacement of {{convert|80|LT|t|0|lk=in|abbr=on}}, a length of {{convert|80|ft|4|in|m|abbr=on}}, beam of {{convert|24|ft|7|in|m|abbr=on}} and draft of {{convert|3|ft|10|in|m|abbr=on}}. Power is from two ] Turboblown ]s with total of {{convert|6200|bhp|0|abbr=on}} and a top speed of {{convert|38|kn|lk=in}}. Napier Deltic engines are built in England.<ref name="auto4">{{Cite web|url=http://www.ptfnasty.com/|title=Homepage of PTF-Nasty Class Boats|website=www.ptfnasty.com}}</ref><ref name="auto3"/> The ] were built by two ]s. Wooden hull PTF boats ''PTF-3'', ''PTF-4'', ''PTF-5'', and ''PTF-6'' arrived at Da Nang, Vietnam in May 1964. ''PTF-7'' and ''PTF-8'' arrived at Da Nang in July 1964. The ''Nasty''-class boats have a displacement of {{convert|80|LT|t}}, a length of {{convert|80|ft|4|in|m|abbr=on}}, a beam of {{convert|24|ft|7|in|m|abbr=on}} and a draft of {{convert|3|ft|10|in|m|abbr=on}}. Power is derived from two ] Turboblown ]s with total of {{convert|6200|bhp}} and a top speed of {{convert|38|kn|lk=in}}. The Napier Deltic engines were built in England.<ref name="auto4">{{Cite web|url=http://www.ptfnasty.com/|title=Homepage of PTF-Nasty Class Boats|website=www.ptfnasty.com}}</ref><ref name="auto3"/>


*'''Båtbyggeri''' ====Båtbyggeri====
], also called ] in the ] in ] built 14 ''Nasty-class'' patrol boats: ] to PTF-16.<ref name="auto3"/><ref name="auto4"/><ref name="auto7">{{Cite web|url=https://buffalonavalpark.org/homepage-2/|title=Buffalo and Erie County Naval & Military Park &#124; Family Museum|website=Buffalo Naval Park}}</ref> ], also called ] in the ] in ] built 14 ''Nasty''-class patrol boats: ''PTF-3'' to ''PTF-16''.<ref name="auto3"/><ref name="auto4"/><ref name="auto7">{{Cite web|url=https://buffalonavalpark.org/homepage-2/|title=Buffalo and Erie County Naval & Military Park &#124; Family Museum|website=Buffalo Naval Park}}</ref>


*'''John Trumpy & Sons''' ====John Trumpy & Sons====
] of ] built six ''Nasty-class'' patrol boats: PTF-17 to PTF-21, under license from Båtservice.<ref name="auto3"/><ref name="auto4"/><ref name="auto7"/> John Trumpy & Sons of Annapolis, Maryland built six ''Nasty''-class patrol boats: ''PTF-17'' to ''PTF-21'', under license from Båtservice.<ref name="auto3"/><ref name="auto4"/><ref name="auto7"/>


===Osprey class=== ===''Osprey'' class===
{{main|United States Osprey-class patrol boat}} {{main|United States Osprey-class patrol boat}}
Osprey class PTF boats were built by ] (now Swiftships). Sewart Seacraft built four of the new 3/8 inch aluminum alloy hull boats: PTF boats: ] through PTF-26. Sewart Seacraft was a Division of ]. The chief designer of the 95-foot Osprey-class patrol boat was Kenneth Hidalgo. Osprey-class boats have a displacement of {{convert|80|LT|t|0|lk=in|abbr=on}}, a length of {{convert|94.5|ft|abbr=on}}, beam of {{convert|24.5|ft|abbr=on}} and draught of {{convert|6.8|ft|abbr=on}}. Osprey class is powered by two l8-cylinders Napier Deltic diesel engines. Each engine has 3,100 hp from D. Napier & Son Ltd. from England. Osprey-class boat has an empty weight of boat 150,930 lb.<ref name="auto3"/><ref name="auto8">{{Cite web|url=https://www.ptfnasty.com/ptf23.html|title=PTF-23|website=www.ptfnasty.com}}</ref><ref>{{Cite web|url=https://www.wilsonyachtsurvey.com/post/marine-survey-navy-osprey-ptf-23|title=Marine Survey: Navy Osprey PTF-23|first=Mark|last=Wilson|date=30 December 2019|website=Wilson Yacht Survey}}</ref><ref>{{Cite web|url=https://www.history.navy.mil/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/NH-95000/NH-95838.html|title=NH 95838 PTF-23 class fast patrol boat|website=public1.nhhcaws.local}}</ref> The ''Osprey''-class PTF boats were built by ] (now Swiftships). Sewart Seacraft built four of the new {{convert|3/8|in|adj=on}} aluminum alloy hull boats: PTF boats: {{ship||PTF-23}} through ''PTF-26''. Sewart Seacraft was a division of ]. The chief designer of the {{convert|95|ft|adj=on}} ''Osprey''-class patrol boat was Kenneth Hidalgo. ''Osprey''-class boats have a displacement of {{convert|80|LT|t}}, a length of {{convert|94.5|ft|abbr=on}}, a beam of {{convert|24.5|ft|abbr=on}} and a draft of {{convert|6.8|ft|abbr=on}}. The ''Osprey'' class is powered by two l8-cylinder Napier Deltic diesel engines. Each engine creates {{convert|3100|hp}} and were constrcuted by D. Napier & Son Ltd. of England. The ''Osprey''-class boat has an empty displacement of {{cvt|150930|lb}}.<ref name="auto3"/><ref name="auto8">{{Cite web|url=https://www.ptfnasty.com/ptf23.html|title=PTF-23|website=www.ptfnasty.com}}</ref><ref>{{Cite web|url=https://www.wilsonyachtsurvey.com/post/marine-survey-navy-osprey-ptf-23|title=Marine Survey: Navy Osprey PTF-23|first=Mark|last=Wilson|date=30 December 2019|website=Wilson Yacht Survey}}</ref><ref>{{Cite web|url=https://www.history.navy.mil/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/NH-95000/NH-95838.html|title=NH 95838 PTF-23 class fast patrol boat|website=public1.nhhcaws.local}}</ref>


==List of PTF boats== ==List of PTF boats==
===Prototypes===
*Prototype PTF: ] and ] built in 1951.<ref name="auto3"/>
*Nasty-class:<ref name="auto3"/> Prototype PTF: {{ship||PTF-1}} and {{ship||PTF-2}} built in 1951.<ref name="auto3"/>

===''Nasty'' class===
{| class="wikitable mw-collapsible mw-collapsed" {| class="wikitable mw-collapsible mw-collapsed"
|-
! colspan="4" align="center" | Construction data for the ''Nasty''-class PTF boats<ref name="auto3"/>
|- |-
! Number ! Number
Line 107: Line 111:
! Notes <ref name="auto3"/><ref>Gardiner, Robert; Chumbley, Stephen ''Conway's All The World's Fighting Ships 1947–1995'' (1995) Naval Institute Press, Annapolis {{ISBN|1-55750-132-7}}</ref> ! Notes <ref name="auto3"/><ref>Gardiner, Robert; Chumbley, Stephen ''Conway's All The World's Fighting Ships 1947–1995'' (1995) Naval Institute Press, Annapolis {{ISBN|1-55750-132-7}}</ref>
|- |-
| '']'' || December 1962 || ] || Transferred to ] January 1966, returned 1970. Stricken 1977; currently located at the ], ] undergoing restoration as a museum artifact | {{ship||PTF 3}} || December 1962 || ] || Transferred to ] January 1966, returned 1970. Stricken 1977; currently located at the ], ] undergoing restoration as a museum artifact
|- |-
| ''PTF 4'' || December 1962 || Båtbyggeri || Sunk 1964 | ''PTF 4'' || December 1962 || Båtbyggeri || Sunk 1964
Line 139: Line 143:
| ''PTF 18'' || 1967 || Trumpy || Stricken 1980 | ''PTF 18'' || 1967 || Trumpy || Stricken 1980
|- |-
| ''PTF 19'' || 1967 || Trumpy || Stricken 1980 , currently located at Worton Creek Marina, Chestertown, MD. | ''PTF 19'' || 1967 || Trumpy || Stricken 1980 , currently located at Worton Creek Marina, Chestertown, Maryland.
|- |-
| ''PTF 20'' || 1967 || Trumpy || Stricken 1981 | ''PTF 20'' || 1967 || Trumpy || Stricken 1981
Line 149: Line 153:
|} |}


*Osprey Class:<ref name="auto3"/> ===''Osprey'' class===
{| class="wikitable mw-collapsible mw-collapsed" {| class="wikitable mw-collapsible mw-collapsed"
|-
! colspan="4" align="center" | Construction data for the ''Osprey''-class PTF boats<ref name="auto3"/>
|- |-
! Number ! Number
Line 157: Line 163:
! Notes<ref name="auto3"/> ! Notes<ref name="auto3"/>
|- |-
| '']'' || 13 March 1968 || ] || Sold 1986, sold 1991 as R/V ''Osprey''<ref name="auto8"/> | {{ship||PTF-23}} || 13 March 1968 || ] || Sold 1986, sold 1991 as RV ''Osprey''<ref name="auto8"/>
|- |-
| '']'' ||13 March 1968|| Sewart Seacraft || Was sunk as target 1985 by US Navy off San Diego<ref>{{Cite web|url=https://www.ptfnasty.com/ptf-24.htm|title=PTF-24|website=www.ptfnasty.com}}</ref> | {{ship||PTF-24}} ||13 March 1968|| Sewart Seacraft || Sunk as a target 1985 by US Navy off San Diego, California<ref>{{Cite web|url=https://www.ptfnasty.com/ptf-24.htm|title=PTF-24|website=www.ptfnasty.com}}</ref>
|- |-
| '']'' || 8 April 1968 || Sewart Seacraft || Was sunk as target in 1979 by US Navy<ref>{{Cite web|url=https://www.ptfnasty.com/ptf25.htm|title=PTF-25}}</ref> | {{ship||PTF-25}} || 8 April 1968 || Sewart Seacraft || Sunk as a target in 1979 by US Navy<ref>{{Cite web|url=https://www.ptfnasty.com/ptf25.htm|title=PTF-25}}</ref>
|- |-
| '']'' || 8 April 1968 || Sewart Seacraft || 1997 sold to Liberty Maritime Museum, June 2020 sold, as museum ship in ], still in PTF configuration<ref>{{Cite web|url=https://www.ptfnasty.com/ptf26.html|title=PTF-26|website=www.ptfnasty.com}}</ref> | {{ship||PTF-26}} || 8 April 1968 || Sewart Seacraft || 1997 sold to Liberty Maritime Museum, June 2020 sold, as museum ship in ], still in PTF configuration<ref>{{Cite web|url=https://www.ptfnasty.com/ptf26.html|title=PTF-26|website=www.ptfnasty.com}}</ref>
|- |-
|} |}
Line 169: Line 175:
==Losses== ==Losses==
Six PTF boats were loss during the war:<ref> Review of PTFs and BSU-1 in Vietnam, command History Vietnam 1964-1972</ref><ref>Southeast Asian Special Forces, by Ken Conboy, Osprey Publishing Ltd. 1991, ISBN: 1-85532-106-8.</ref><ref>U.S. Small Combatants, by Norman Friedman, Naval Institute Press 1987, ISBN: 0-87021-713-5 </ref> Six PTF boats were loss during the war:<ref> Review of PTFs and BSU-1 in Vietnam, command History Vietnam 1964-1972</ref><ref>Southeast Asian Special Forces, by Ken Conboy, Osprey Publishing Ltd. 1991, ISBN: 1-85532-106-8.</ref><ref>U.S. Small Combatants, by Norman Friedman, Naval Institute Press 1987, ISBN: 0-87021-713-5 </ref>
*PTF-4 destroyed in 11 Nov. 1965 on special ops after being grounded. *''PTF-4'' destroyed on 11 November 1965 on special ops after being grounded.
*PTF-8 wrecked in August 1966 on special ops, grounded on reef. *''PTF-8'' wrecked in August 1966 on special ops, grounded on reef.
*PTF-9 wrecked 3 March 1966 on special ops, grounded on reef. *''PTF-9'' wrecked 3 March 1966 on special ops, grounded on reef.
*PTF-14 wrecked 28 April 1966 on special ops, grounded on reef. *''PTF-14'' wrecked 28 April 1966 on special ops, grounded on reef.
*PTF-15 wrecked 28 April 1966 on special ops, grounded on reef. *''PTF-15'' wrecked 28 April 1966 on special ops, grounded on reef.
*PTF-16 sunk August 1966 on special ops *''PTF-16'' sunk August 1966 on special ops

==Surviving boats==
Of the 26 PTF boats built, only four have survived: <ref name="auto3"/>
*] is at the ] at ].
*PTF-17 is at the ].<ref>{{Cite web|url=https://museumships.us/ptboat/ptf-17|title=PTF-17|website=museumships.us}}</ref><ref name="auto7"/>
*PTF-19 is at Worton Creek Marina in ] under restoration.<ref>{{Cite web|url=https://www.wortoncreek.com/|title=Worton Creek Marina|website=Worton Creek Marina}}</ref>
*] is now a research vessel and diving platform, renamed RV ''Osprey'' in ].
*] is at the Maritime Pastoral Training Foundation in ].<ref>{{Cite web|url=https://lastamericanptboat.com/|title=Maritime Pastoral Training Foundation, Ltd.|first=Maritime Pastoral Training Foundation|last=Ltd|website=Maritime Pastoral Training Foundation, Ltd.}}</ref> <ref>{{Cite web|url=https://www.libertymaritime.com/boats|title=Museum Boats|website=LIBERTY MARITIME}}</ref>


==In popular culture==
==Books==
===Vikings in Vietnam=== ===''Vikings in Vietnam: Norwegian Patrol Boat Captains in CIA''===
On April 28, 2024, Alessandro Giorgi released a book called ''Vikings in Vietnam: Norwegian Patrol Boat Captains in CIA''. The book describes the ] operations carried out by the ] in the early days of the Vietnam war. The CIA hired ] PTF boat crews to go into the coast waters of ] during the Vietnam war to deliver ] ] for raids. The raids used Norwegian Nasty-class patrol boats. The raids have only recently being declassified. <ref>{{Cite web|url=https://www.wakefieldbooks.com/book/9780764367885|title=Vikings in Vietnam: Norwegian Patrol Boat Captains in CIA Clandestine Operations (Hardcover) &#124; Wakefield Books|website=www.wakefieldbooks.com}}</ref> On April 28, 2024, Alessandro Giorgi released a book called ''Vikings in Vietnam: Norwegian Patrol Boat Captains in CIA''. The book describes the ] operations carried out by the CIA in the early days of the Vietnam War. The CIA hired Norwegian PTF boat crews to go into the coast waters of ] during the Vietnam War to deliver South Vietnamese commandos for raids. The raids used Norwegian ''Nasty''-class patrol boats. The raids have only recently being declassified.<ref>{{Cite web|url=https://www.wakefieldbooks.com/book/9780764367885|title=Vikings in Vietnam: Norwegian Patrol Boat Captains in CIA Clandestine Operations (Hardcover) &#124; Wakefield Books|website=www.wakefieldbooks.com}}</ref><ref></ref>


===Out Over Blue Water=== ===''Out Over Blue Water''===
Sean Tierney was one of the first UN Navy men to service on PTF boats in DaNang in 1965 and 1966. Sean Tierney was in the US Navy for 10 years. Sean Tierney wrote a book, ''Out Over Blue Water'' released in August 15, 2022, about his time on PTF boats and in the US Navy. The book is 110 pages from Author House.<ref>{{Cite web|url=https://sftierney.com/|title=Sean Tierney (Author)|website=Sean Tierney (Author)}}</ref> He also made and relaesed films about his time on the PTF boats in Vietnam.<ref>{{Cite web|url=https://www.youtube.com/watch?v=wQby9Qq_q84|title=Scenes of PTF's operating in Subic Bay and DaNang Harbor from July to December 1965, Sean Tierney Vietnam Film Clips - 1965-66|date=October 12, 2021|via=YouTube}}</ref><ref>{{Cite web|url=https://www.youtube.com/watch?v=lH4sNPJhbew|title=PTF-13, Spring of 1966 in San Diego, Sean Tierney Vietnam Film Clips - 1965-66|date=October 12, 2021|via=YouTube}}</ref><ref>{{Cite web|url=https://www.youtube.com/watch?v=CRJGK8zTw-g|title=Vietnam scenes around DaNang, June - December 1965, Sean Tierney Vietnam Film Clips - 1965-66|date=October 12, 2021|via=YouTube}}</ref><ref>{{Cite web|url=https://www.youtube.com/watch?v=GjTP27S3a3E|title=Commissioning Ceremony of Boat Support Unit One on February 18, 1966. Sean Tierney Vietnam Film Clips - 1965-66|date=October 12, 2021|via=YouTube}}</ref> He made film of his time in San Diego Bay at ].<ref>{{Cite web|url=https://www.youtube.com/watch?v=sy0kv40PG30&feature=youtu.be|title=Boats in San Diego Bay, April - May 1966, Boats in San Diego Bay, April - May 1966, Sean Tierney Vietnam Film Clips - 1965-66|date=October 12, 2021|via=YouTube}}</ref> He made a film with tours of PTF-17.<ref>{{Cite web|url=https://www.ptfnasty.com/gallery/video/ptf1.wmv|title=Wayback Machine part 1|website=www.ptfnasty.com}}</ref><ref>{{Cite web|url=https://www.ptfnasty.com/gallery/video/ptf2.wmv|title=Wayback Machine part 2|website=www.ptfnasty.com}}</ref><ref>{{Cite web|url=https://www.ptfnasty.com/gallery/video/ptf3.wmv|title=Wayback Machine|website=www.ptfnasty.com}}</ref> Sean Tierney was one of the first US Navy personnel to serve on PTF boats at Da Nang in 1965 and 1966. Tierney was in the US Navy for ten years. He authored the book, ''Out Over Blue Water'' released on August 15, 2022, about his time on PTF boats and in the US Navy. The book is 110 pages from Author House.<ref>{{Cite web|url=https://sftierney.com/|title=Sean Tierney (Author)|website=Sean Tierney (Author)}}</ref> He also made and relaesed films about his time on the PTF boats in Vietnam.<ref>{{Cite web|url=https://www.youtube.com/watch?v=wQby9Qq_q84|title=Scenes of PTF's operating in Subic Bay and DaNang Harbor from July to December 1965, Sean Tierney Vietnam Film Clips - 1965-66|date=October 12, 2021|via=YouTube}}</ref><ref>{{Cite web|url=https://www.youtube.com/watch?v=lH4sNPJhbew|title=PTF-13, Spring of 1966 in San Diego, Sean Tierney Vietnam Film Clips - 1965-66|date=October 12, 2021|via=YouTube}}</ref><ref>{{Cite web|url=https://www.youtube.com/watch?v=CRJGK8zTw-g|title=Vietnam scenes around DaNang, June - December 1965, Sean Tierney Vietnam Film Clips - 1965-66|date=October 12, 2021|via=YouTube}}</ref><ref>{{Cite web|url=https://www.youtube.com/watch?v=GjTP27S3a3E|title=Commissioning Ceremony of Boat Support Unit One on February 18, 1966. Sean Tierney Vietnam Film Clips - 1965-66|date=October 12, 2021|via=YouTube}}</ref> He made film of his time in San Diego Bay at ].<ref>{{Cite web|url=https://www.youtube.com/watch?v=sy0kv40PG30&feature=youtu.be|title=Boats in San Diego Bay, April - May 1966, Boats in San Diego Bay, April - May 1966, Sean Tierney Vietnam Film Clips - 1965-66|date=October 12, 2021|via=YouTube}}</ref> He made a film with tours of PTF-17.<ref>{{Cite web|url=https://www.ptfnasty.com/gallery/video/ptf1.wmv|title=Wayback Machine part 1|website=www.ptfnasty.com}}</ref><ref>{{Cite web|url=https://www.ptfnasty.com/gallery/video/ptf2.wmv|title=Wayback Machine part 2|website=www.ptfnasty.com}}</ref><ref>{{Cite web|url=https://www.ptfnasty.com/gallery/video/ptf3.wmv|title=Wayback Machine|website=www.ptfnasty.com}}</ref>


==Men in Green Faces== ===''Men in Green Faces''===
] ]
''Men in Green Faces'' is a book released on January 1, 1992, written by Gene Wentz (Vietnam veteran) and B. Abell Jurus. ''Men in Green Faces'' is novel about US Navy SEALS operations in Vietnam. In the book an US Navy SEAL team hunts for a ] general, the ''enforcer'', Col. Nguyen, behind enemy lines. The SEALS are with ]. The book is 288 pages from St Martins Pr.<ref>{{cite web |url=https://navysealmuseum.com/about-navy-seals/seal-history-the-naval-special-warfare-story/seal-history-vietnam-the-men-with-green-faces/ |title=SEAL History: Vietnam-The Men With Green Faces &#124; National Navy UDT-SEAL Museum |publisher=Navysealmuseum.com |access-date=2014-05-12 |url-status=dead |archive-url=https://web.archive.org/web/20141110042203/https://navysealmuseum.com/about-navy-seals/seal-history-the-naval-special-warfare-story/seal-history-vietnam-the-men-with-green-faces |archive-date=10 November 2014 }}</ref><ref></ref><ref></ref> ''Men in Green Faces'' is a book released on January 1, 1992, written by Gene Wentz, a Vietnam veteran, and B. Abell Jurus.<ref></ref> ''Men in Green Faces'' is a fictional novel about US Navy Seal operations in Vietnam. In the book a US Navy SEAL team hunts for a ] general, the "enforcer", Colonel Nguyen, behind enemy lines. The Seals are with ]. The book is 288 pages from St Martins Pr.<ref>{{cite web |url=https://navysealmuseum.com/about-navy-seals/seal-history-the-naval-special-warfare-story/seal-history-vietnam-the-men-with-green-faces/ |title=SEAL History: Vietnam-The Men With Green Faces &#124; National Navy UDT-SEAL Museum |publisher=Navysealmuseum.com |access-date=2014-05-12 |url-status=dead |archive-url=https://web.archive.org/web/20141110042203/https://navysealmuseum.com/about-navy-seals/seal-history-the-naval-special-warfare-story/seal-history-vietnam-the-men-with-green-faces |archive-date=10 November 2014 }}</ref><ref></ref><ref></ref>


==Gallery== ==Gallery==
<gallery> <gallery>
Royal Norwegian Navy motor torpedo boat KNM Nasty at Haakonsvern Naval Base, Norway, 11 May 1960 (NH 93680).jpg|Royal Norwegian Navy motor torpedo boat KNM Nasty at Haakonsvern Naval Base, Norway in 11 May 1960 Royal Norwegian Navy motor torpedo boat KNM Nasty at Haakonsvern Naval Base, Norway, 11 May 1960 (NH 93680).jpg|] motor torpedo boat HNoMS ''Nasty'' at ], Norway in 11 May 1960
U.S. Navy PTF boats traveling at high speed during trials off the Virginia Capes (USA), early May 1963 (USN 711288).jpg|U.S. Navy PTF boats traveling at high speed during trials off the Virginia Capes (USA), early May 1963 U.S. Navy PTF boats traveling at high speed during trials off the Virginia Capes (USA), early May 1963 (USN 711288).jpg|U.S. Navy PTF boats traveling at high speed during trials off the ], United States, early May 1963
PTFs return from the DMZ, 1971.jpg|PTFs return from the DMZ, 1971 PTFs return from the DMZ, 1971.jpg|PTFs return from the ], 1971
U.S. Navy fast patrol boat PTF-5 cruises in Chesapeake Bay, in 1973 (USN 1157722).jpg|U.S. Navy fast patrol boat PTF-5 cruises in Chesapeake Bay, in 1973 U.S. Navy fast patrol boat PTF-5 cruises in Chesapeake Bay, in 1973 (USN 1157722).jpg|U.S. Navy fast patrol boat ''PTF-5'' cruises in ], in 1973
PTF-3 Nasty Class Patrol Boat in Deland, Florida.jpg|PTF-3 Nasty Class Patrol Boat in Deland, Florida PTF-3 Nasty Class Patrol Boat in Deland, Florida.jpg|''PTF-3'', a ''Nasty''-class patrol boat at Deland, Florida
PTF-17 at Buffalo Naval Park.jpg|PTF-17 at Buffalo Naval Park PTF-17 at Buffalo Naval Park.jpg|''PTF-17'' at ]
PTF-17 40mm Anti-aircraft gun.jpg|PTF-17 40mm Anti-aircraft gun PTF-17 40mm Anti-aircraft gun.jpg|''PTF-17''{{'}}s ] anti-aircraft gun
330-PSA-101-63 (USN 711286) (22333596026).jpg|PTF boat May 13, 1963, First action photographs of US Navy PTF 330-PSA-101-63 (USN 711286) (22333596026).jpg|A PTF boat on May 13, 1963
330-PSA-101-63 (USN 711289) (22333584176).jpg|PTF boat May 13, 1963, First action photographs of US Navy PTF 330-PSA-101-63 (USN 711289) (22333584176).jpg|A PTF boat on May 13, 1963
</gallery> </gallery>


==See also== ==See also==
*] * ]
⚫ {{Commons category|Fast Patrol Boat (PTF)}}
⚫ {{Commons category|United States Nasty-class patrol boat}}
⚫ {{Commons category|PTF-17}}
{{Commons category|Napier Deltic}}
{{Commons category|Detroit Diesel series 71 engines}}


==References== ==References==
Line 220: Line 213:


==External links== ==External links==
⚫ * {{Commons category-inline|Fast Patrol Boat (PTF)}}
⚫ * (Dan Withers)
⚫ * {{Commons category-inline|United States Nasty-class patrol boat}}
⚫ * (HistoryNet.com, ])
⚫ * {{Commons category-inline|PTF-17}}
⚫ * (Dan Withers)
⚫ * (HistoryNet.com, ])


{{Nasty-type patrol boats}} {{Nasty-type patrol boats}}

Latest revision as of 14:04, 8 January 2025

Fast patrol boats used in Vietnam War
US Navy PTF boat PTF-24 in 1973,
a Osprey-class boat
Class overview
NamePTF (Patrol Torpedo, Fast)
Builders
Operators
Preceded byPT boat
Succeeded byPatrol Craft Fast
Built1963–1970
In service1963–1978
Completed26
Preserved5
General characteristics
TypeRiverine patrol boat
Length
Beam24 ft 7 in (7.49 m)
Installed power6,200 bhp (4,623 kW)
Propulsion2 × Napier Deltic Turboblown diesel engines
Speed40 knots (74 km/h; 46 mph) (Mk I)
Range912 nmi (1,689 km; 1,050 mi) at 20 kn (37 km/h; 23 mph)
Complement12
Armament
Military engagements during the Vietnam War
Guerrilla phase

American intervention 1965

1966

1967

Tet Offensive and aftermath

Vietnamization 1969–1971

1972

Post-Paris Peace Accords (1973–1974)

Spring 1975

Air operations

Naval operations

Lists of allied operations

USS Flagstaff and PTF-23 in 1974

PTF boat, (short for Patrol Torpedo, Fast) are fast United States Navy patrol boats introduced in the early part of the Vietnam War. The PTF designation was give to 26 boats with four different boat designs. The PTF boats were the Vietnam War "brown water" river boats version of the World War II PT boats. They were heavily armed gunboats that were used by the US Navy and by Special forces. The first two PTF boats were commissioned 21 December 1962. The last two PTF were commissioned on 8 April 1968. PFT boats were replaced by the new Patrol Craft Fast (PCF) boats that were more widely used in Vietnam. There are five PTF boats that have survived and are in various state of restoration. The "Torpedo Boat, Fast" designation is a hold over from World War II, as PTF boats were not equipped with torpedoes, as they were mostly used in shallow river waters.

History

Following World War II the US Navy had little use for fast attack craft, so almost all of the PT boats were scrapped at the end of the war in 1945. PT boats were not needed during the Korean War. But, as the United States involvement in the Vietnam grew, the Navy saw a need for small combatant boats for the US Navy's "brown water" river operations. In 1962, two prototype Korean War PT boats were put back in to service as PTF-1 and PTF-2 . PTF-1 and PTF-2 were used by US Navy Seals for special forces activity. The first SEALs arrived in South Vietnam in 1962 as advisers to the Vietnamese naval commandos. They trained the commandos in maritime infiltration techniques and counterinsurgency warfare. . Due to the immediate need for fast attack river craft, the US Navy looked at boats already in service with other nations. The Royal Norwegian Navy had built HNoMS Nasty, a prototype boat, in 1958 by Westermoen Båtbyggeri in Mandal, Norway. HNoMS Nasty was designed by Jan Herman Linge. Her prototype boat was of a wooden hull construction. From this boat the Royal Norwegian Navy built a line of 20 Tjeld-class patrol boats. Starting on 1 January 1963, the US Navy took delivery of the first Båtbyggeri boats, with designation Nasty-class patrol boat. A total of 14 Nasty-class patrol boats were built by Båtbyggeri between 1963 and 1965. Båtbyggeri licensed John Trumpy & Sons in Annapolis, Maryland to built seven Nasty-class boats in 1968 and 1970. Some parts of the Trumpy boats were imported from Norway, such as the keel and stem. Sewart Seacraft (Swiftships) in Berwick, Louisiana build four PTF boats of the Osprey class in 1968. The PTF boats were used in Vietnam and operated out of Danang, Vietnam. The boats operated in the Mekong Delta. Each PTF boat carried a 12-man team. The PTF boats supplemented the large fleet of aluminum hulled Patrol Craft Fast (PCF) boats. PTFs were used to carrying out hit-and-run and landing operations. PTFs were also used for United States Army-Navy-SEAL landing, supply drops, base security patrols, harbor security patrols, intelligence gathering, and rescue operations. In December 1965, the US Navy started Operation Game Warden, in which PTF and PCF boats patrolled the major rivers and canals in the Mekong Delta and Rung Sat Special Zone. Most US Navy crews and United States Marine Corps underwent PTF training at the Naval Amphibious Base Coronado. PTF were used by CSS Intelligence Department and Tactical Operations Department, founded April 1, 1964, that were stationed at Lower Base in Tien Sa. CSS also founded two camps: Phoenix va DoDo at Cu Lao Cham (Paradise Island). The PTF boats at these camps were from Vietnamese Navy headquarters. Mobile Support Teams provided combat craft support for SEAL operations, as did Patrol Boat, River and Swift Boat sailors. In February 1964, Boat Support Unit One was founded under Naval Operations Support Group, Pacific. Boat Support Unit One crews operated the PTF boat program. Boat Support Unit Two was formed later, both were later renamed Coastal River Squadron 1 and 2. Boat Support Unit One supported the Navy Special Warfare forces in Vietnam. In 1965, Boat Support Squadron One started training PFT and PCF crews for Vietnamese coastal patrol and interdiction operations. In January 1963, US Navy Seabee (Navy Construction Battalion) arrived South Vietnam to built support bases. Seabees built a PFT and PCF base, also a vast support base at Da Nang and Saigon. These bases support the US Navy, and Marine Corps forces, also some Air Force units and some Army units. PFT noted raids were on Đồng Hới, Yên Phú and Sầm Sơn radar sites, Phuc Loi, and Tiger Island. The PTF raids ended in 1971. The PTF boats were take to U.S. Naval Base Subic Bay and formed the MST-3 unit in 1972. The PTF boats were taken out of service in 1976 and 1978, with PTF-13 removed in 1972.

PTF boats

Prototype PTF

The two prototype PTF, PTF-1 and PTF-2 were built for the Korean War in 1951. Both boats a top speed of over 40 knots (74 km/h; 46 mph) from the four 2,500-horsepower (1,900 kW) Packard W-100 gasoline engines with shafts. PTF-1 and PTF-2 were armed with two Bofors 40 mm guns, two twin 20-millimeter (0.79 in) cannon, one .50-caliber machine gun, one "Piggyback" 81 mm mortar and one smoke generator. Both arrived in Da Nang, Vietnam in April 1964. In 1965 after a year of service, the two PTF Boats were 14 years old, with no spare parts, and outdated, they were replaced by newer PTF and PCF boats. Both boats were removed from service and used as US Navy targets. PTC-1 was sunk off Vietnam and PTC-2 was sunk off the Hawaiian Islands.

  • PTF-1 was built by Bath Iron Works in Bath, Maine in 1951 as PT-810. PTF-1 had a light displacement of 90 long tons (91 t), length of 89 ft 0 in (27.13 m), beam of 24 ft 1 in (7.34 m), and draft of 5 ft 9 in (1.75 m). She was put in service on 24 November 1951 and was struck from the Naval Register 1 November 1959. She was reactivated on 21 December 1962. PTF 1 was sunk as a target in 1965.
  • PTF-2 was built by Trumpy & Sons in Annapolis, Maryland in 1951 as PT-811. PTF-2 had a light displacement of 94 long tons (96 t), and length of 94 ft 0 in (28.65 m), beam of 24 ft 11 in (7.59 m), and draft of 4 ft 2 in (1.27 m). She was put in service on 6 March 1951 and was struck from the Naval Register 1 November 1959. She was reactivated on 21 December 1962. PTF-2 was sunk as a target in 1965.

Nasty class

Main article: United States Nasty-class patrol boat

The Nasty class were built by two shipyards. Wooden hull PTF boats PTF-3, PTF-4, PTF-5, and PTF-6 arrived at Da Nang, Vietnam in May 1964. PTF-7 and PTF-8 arrived at Da Nang in July 1964. The Nasty-class boats have a displacement of 80 long tons (81 t), a length of 80 ft 4 in (24.49 m), a beam of 24 ft 7 in (7.49 m) and a draft of 3 ft 10 in (1.17 m). Power is derived from two Napier Deltic Turboblown diesel engines with total of 6,200 brake horsepower (4,600 kW) and a top speed of 38 knots (70 km/h; 44 mph). The Napier Deltic engines were built in England.

Båtbyggeri

Westermoen Båtbyggeri og Mek Verksted, also called A/S Båtservice in the Westermoen Hydrofoil shipyard in Mandal, Norway built 14 Nasty-class patrol boats: PTF-3 to PTF-16.

John Trumpy & Sons

John Trumpy & Sons of Annapolis, Maryland built six Nasty-class patrol boats: PTF-17 to PTF-21, under license from Båtservice.

Osprey class

Main article: United States Osprey-class patrol boat

The Osprey-class PTF boats were built by Sewart Seacraft (now Swiftships). Sewart Seacraft built four of the new 3⁄8-inch (9.5 mm) aluminum alloy hull boats: PTF boats: PTF-23 through PTF-26. Sewart Seacraft was a division of Teledyne Inc.. The chief designer of the 95-foot (29 m) Osprey-class patrol boat was Kenneth Hidalgo. Osprey-class boats have a displacement of 80 long tons (81 t), a length of 94.5 ft (28.8 m), a beam of 24.5 ft (7.5 m) and a draft of 6.8 ft (2.1 m). The Osprey class is powered by two l8-cylinder Napier Deltic diesel engines. Each engine creates 3,100 horsepower (2,300 kW) and were constrcuted by D. Napier & Son Ltd. of England. The Osprey-class boat has an empty displacement of 150,930 lb (68,460 kg).

List of PTF boats

Prototypes

Prototype PTF: PTF-1 and PTF-2 built in 1951.

Nasty class

Construction data for the Nasty-class PTF boats
Number Date of acquisition Builder Notes
PTF 3 December 1962 Båtbyggeri Transferred to South Vietnamese Navy January 1966, returned 1970. Stricken 1977; currently located at the DeLand Naval Air Station Museum, DeLand, Florida undergoing restoration as a museum artifact
PTF 4 December 1962 Båtbyggeri Sunk 1964
PTF 5 March 1964 Båtbyggeri Transferred to South Vietnamese Navy January 1966, returned 1970. Stricken 1981
PTF 6 March 1964 Båtbyggeri Transferred to South Vietnamese Navy January 1966, returned 1970. Stricken 1977
PTF 7 March 1964 Båtbyggeri Transferred to South Vietnamese Navy January 1966, returned 1970. Stricken 1977
PTF 8 March 1964 Båtbyggeri Sunk 1966
PTF 9 September 1964 Båtbyggeri Sunk 1966
PTF 10 September 1964 Båtbyggeri Stricken 1981
PTF 11 September 1964 Båtbyggeri Stricken 1981
PTF 12 September 1964 Båtbyggeri Stricken 1977
PTF 13 September 1964 Westermoen Stricken 1981
PTF 14 September 1964 Båtbyggeri Sunk 1966
PTF 15 September 1964 Båtbyggeri Sunk 1966
PTF 16 September 1964 Båtbyggeri Sunk 1966
PTF 17 1967 Trumpy Stricken 1981, currently located at the Buffalo and Erie County Naval & Military Park
PTF 18 1967 Trumpy Stricken 1980
PTF 19 1967 Trumpy Stricken 1980 , currently located at Worton Creek Marina, Chestertown, Maryland.
PTF 20 1967 Trumpy Stricken 1981
PTF 21 1968 Trumpy Stricken 1981
PTF 22 1968 Trumpy Stricken 1981

Osprey class

Construction data for the Osprey-class PTF boats
Number Date of acquisition Builder Notes
PTF-23 13 March 1968 Sewart Seacraft Sold 1986, sold 1991 as RV Osprey
PTF-24 13 March 1968 Sewart Seacraft Sunk as a target 1985 by US Navy off San Diego, California
PTF-25 8 April 1968 Sewart Seacraft Sunk as a target in 1979 by US Navy
PTF-26 8 April 1968 Sewart Seacraft 1997 sold to Liberty Maritime Museum, June 2020 sold, as museum ship in Golconda, Illinois, still in PTF configuration

Losses

Six PTF boats were loss during the war:

  • PTF-4 destroyed on 11 November 1965 on special ops after being grounded.
  • PTF-8 wrecked in August 1966 on special ops, grounded on reef.
  • PTF-9 wrecked 3 March 1966 on special ops, grounded on reef.
  • PTF-14 wrecked 28 April 1966 on special ops, grounded on reef.
  • PTF-15 wrecked 28 April 1966 on special ops, grounded on reef.
  • PTF-16 sunk August 1966 on special ops

In popular culture

Vikings in Vietnam: Norwegian Patrol Boat Captains in CIA

On April 28, 2024, Alessandro Giorgi released a book called Vikings in Vietnam: Norwegian Patrol Boat Captains in CIA. The book describes the special forces operations carried out by the CIA in the early days of the Vietnam War. The CIA hired Norwegian PTF boat crews to go into the coast waters of North Vietnam during the Vietnam War to deliver South Vietnamese commandos for raids. The raids used Norwegian Nasty-class patrol boats. The raids have only recently being declassified.

Out Over Blue Water

Sean Tierney was one of the first US Navy personnel to serve on PTF boats at Da Nang in 1965 and 1966. Tierney was in the US Navy for ten years. He authored the book, Out Over Blue Water released on August 15, 2022, about his time on PTF boats and in the US Navy. The book is 110 pages from Author House. He also made and relaesed films about his time on the PTF boats in Vietnam. He made film of his time in San Diego Bay at Naval Amphibious Base Coronado. He made a film with tours of PTF-17.

Men in Green Faces

Men in Green Faces in 1970

Men in Green Faces is a book released on January 1, 1992, written by Gene Wentz, a Vietnam veteran, and B. Abell Jurus. Men in Green Faces is a fictional novel about US Navy Seal operations in Vietnam. In the book a US Navy SEAL team hunts for a North Vietnam Army general, the "enforcer", Colonel Nguyen, behind enemy lines. The Seals are with United States Naval Special Warfare Command. The book is 288 pages from St Martins Pr.

Gallery

  • Royal Norwegian Navy motor torpedo boat HNoMS Nasty at Haakonsvern Naval Base, Norway in 11 May 1960 Royal Norwegian Navy motor torpedo boat HNoMS Nasty at Haakonsvern Naval Base, Norway in 11 May 1960
  • U.S. Navy PTF boats traveling at high speed during trials off the Virginia Capes, United States, early May 1963 U.S. Navy PTF boats traveling at high speed during trials off the Virginia Capes, United States, early May 1963
  • PTFs return from the DMZ, 1971 PTFs return from the DMZ, 1971
  • U.S. Navy fast patrol boat PTF-5 cruises in Chesapeake Bay, in 1973 U.S. Navy fast patrol boat PTF-5 cruises in Chesapeake Bay, in 1973
  • PTF-3, a Nasty-class patrol boat at Deland, Florida PTF-3, a Nasty-class patrol boat at Deland, Florida
  • PTF-17 at Buffalo Naval Park PTF-17 at Buffalo Naval Park
  • PTF-17's 40 mm anti-aircraft gun PTF-17's 40 mm anti-aircraft gun
  • A PTF boat on May 13, 1963 A PTF boat on May 13, 1963
  • A PTF boat on May 13, 1963 A PTF boat on May 13, 1963

See also

References

  1. ""Osprey" patrol boats (PTF23) (1968)". www.navypedia.org.
  2. ^ "PATROL CRAFT FAST | Homeland Magazine".
  3. ^ Published, Military com (July 17, 2024). "Navy SEALs: Background and Brief History". Military.com.
  4. ^ "Torpedo Boats PT BPT WWII".
  5. ^ Department of Defense Legacy Resource Management Program, Vietnam War: Special Operation Forces and Warfare Training on U.S. Military Installations, Vietnam Historic Context, Jayne Aaron, LEED AP, Architectural Historian, Steven Christopher Baker, PhD, Historian, February 2020, page 2-36
  6. ^ Marolda and Pryce III, Short History of the United States Navy
  7. Charles R. Smith, U.S. Marines in Vietnam: High Mobility and Standdown, 1969, Washington D.C.: History and Museums Division, U.S. Marine Corps, 1988
  8. ^ "PT-810". www.navsource.org.
  9. ^ "PT-811". www.navsource.org.
  10. Kutler, Stanley I. (1996). Encyclopedia of the Vietnam War. New York: Charles Scribner's Sons. p. 352. ISBN 0-13-276932-8. OCLC 32970270.
  11. Carhart, Tom (1984). Battles and Campaigns In Vietnam: 1954-184. New York: Military Press. pp. 78–80. ISBN 0-517-425009. OCLC 11494209.
  12. Schreadley, R. L. (1992). From the Rivers to the Sea: The U.S. Navy in Vietnam. Annapolis, Maryland: Naval Institute Press. p. 148. ISBN 0-87021-772-0. OCLC 23902015.
  13. La Tourette, Robert (June 1968). The San Diego Naval Complex. United States Naval Institute Proceedings.
  14. "Coastal Security Service – MACV-SOG". November 22, 2024.
  15. Jack Shulimson, Leonard A. Balsiol, Charles R. Smith , and David A. Dawson, U.S. Marines in Vietnam: The Defining Year, 1968, Washington D.C.: History and Museums Division, U.S. Marine Corps, 1997
  16. U.S. Marines in Vietnam: Fighting the north Vietnamese, 1967, by Gary L. Telfer, Lane Rodgers, and V. Keith Fleming, Jr., Washington D.C., History and Museums Division, U.S. Marine Corps, 1984
  17. Published, Military com (July 17, 2024). "Navy SEALs: Missions". Military.com.
  18. ^ "Homepage of PTF-Nasty Class Boats". www.ptfnasty.com.
  19. ^ "Buffalo and Erie County Naval & Military Park | Family Museum". Buffalo Naval Park.
  20. ^ "PTF-23". www.ptfnasty.com.
  21. Wilson, Mark (30 December 2019). "Marine Survey: Navy Osprey PTF-23". Wilson Yacht Survey.
  22. "NH 95838 PTF-23 class fast patrol boat". public1.nhhcaws.local.
  23. Gardiner, Robert; Chumbley, Stephen Conway's All The World's Fighting Ships 1947–1995 (1995) Naval Institute Press, Annapolis ISBN 1-55750-132-7
  24. "PTF-24". www.ptfnasty.com.
  25. "PTF-25".
  26. "PTF-26". www.ptfnasty.com.
  27. Review of PTFs and BSU-1 in Vietnam, command History Vietnam 1964-1972
  28. Southeast Asian Special Forces, by Ken Conboy, Osprey Publishing Ltd. 1991, ISBN: 1-85532-106-8.
  29. U.S. Small Combatants, by Norman Friedman, Naval Institute Press 1987, ISBN: 0-87021-713-5
  30. "Vikings in Vietnam: Norwegian Patrol Boat Captains in CIA Clandestine Operations (Hardcover) | Wakefield Books". www.wakefieldbooks.com.
  31. Alessandro Giorgi, temple.edu
  32. "Sean Tierney (Author)". Sean Tierney (Author).
  33. "Scenes of PTF's operating in Subic Bay and DaNang Harbor from July to December 1965, Sean Tierney Vietnam Film Clips - 1965-66". October 12, 2021 – via YouTube.
  34. "PTF-13, Spring of 1966 in San Diego, Sean Tierney Vietnam Film Clips - 1965-66". October 12, 2021 – via YouTube.
  35. "Vietnam scenes around DaNang, June - December 1965, Sean Tierney Vietnam Film Clips - 1965-66". October 12, 2021 – via YouTube.
  36. "Commissioning Ceremony of Boat Support Unit One on February 18, 1966. Sean Tierney Vietnam Film Clips - 1965-66". October 12, 2021 – via YouTube.
  37. "Boats in San Diego Bay, April - May 1966, Boats in San Diego Bay, April - May 1966, Sean Tierney Vietnam Film Clips - 1965-66". October 12, 2021 – via YouTube.
  38. "Wayback Machine part 1". www.ptfnasty.com.
  39. "Wayback Machine part 2". www.ptfnasty.com.
  40. "Wayback Machine". www.ptfnasty.com.
  41. Gene Wentz (Vietnam veteran) vva.org
  42. "SEAL History: Vietnam-The Men With Green Faces | National Navy UDT-SEAL Museum". Navysealmuseum.com. Archived from the original on 10 November 2014. Retrieved 2014-05-12.
  43. Men in Green Faces
  44. Men in Green Faces, navysealmuseum.org

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Preceded by PT boat - Followed by Patrol Craft Fast and US patrol vessels

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