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This article describes the different variants of the
North American T-6 Texan The North American Aviation T-6 Texan is an American single-engined advanced trainer aircraft used to train pilots of the United States Army Air Forces (USAAF), United States Navy, Royal Air Force, Royal Canadian Air Force and other air force ...
.


BT Series

; BT-9 :Basic Trainer with 400hp Wright R-975-7 Whirlwind and new canopy. Dangerous stall resulted in a variety of unsuccessful fixes. 42 built. ;BT-9A :Armed BT-9 with one cowl gun and one rear flexible gun, and modified canopy. 40 built. ;BT-9B :Minor changes from BT-9, unarmed. 117 built. 1 modified as sole BT-9D which was modified as a prototype for BT-14 with new outer wing panels and other alterations. ;BT-9C :Wright R-975-7, similar to the BT-9A with minor changes. 66 built ;BT-9D :One prototype only, Intermediate step in development of the BT-14. ;Y1BT-10 :600hp Pratt & Whitney R-1340-41. First aircraft of batch of BT-9C completed as Y1BT-10. ;BT-10 :Production version of Y1BT-10 - cancelled ;BT-14 :lengthened all metal fuselage and new canopy, Pratt & Whitney R-985-25, 251 built. ;BT-14A :27 BT-14s were re-engined with 400 hp (298 kW) Pratt & Whitney R-985-11.


BC Series

;North American BC-1 :Basic Combat trainer version initial production version with 600hp R-1340-47 engine, Early examples had round rudder, later examples had square bottom rudder. 177 built ;BC-1A :New longer
semi-monocoque The term semi-monocoque or semimonocoque refers to a stressed shell structure that is similar to a true monocoque, but which derives at least some of its strength from conventional reinforcement. Semi-monocoque construction is used for, among ot ...
fuselage, new outer wing panels angled forward slightly, squared-off wingtips and triangular rudder, 93 built. Identifiable from later types by blister fairing between undercarriage. ;BC-1B :One BC-1A fitted with an AT-6A wing centre section. ;BC-1I :BC-1s converted to instrument trainers, 30 modified ;BC-2 :Similar to BC-1A and AT-6, modified from NA-36 with details from NA-44, 3 bladed propeller.


AT Series (Texan)

;AT-6 Texan :Advanced Trainer - same as BC-1A with minor changes, powered by a 600hp R-1340-47 and armed with forward-firing 0.3in machine gun, nine original started as BC-1As and 85 built. ;AT-6A :Same as AT-6 but with 600hp R-1340-49 and removable wing centre section fuel tanks, 1847 built with 298 transferred to the
United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...
as the SNJ-3. Survivors re-designated T-6A in 1948. ;AT-6B :Same as AT-6A but with 600hp R-1340-AN-1 and dorsal gun fitted as standard, 400 built. ;AT-6C :Same as AT-6B but with material changes to low-alloy steel and plywood, 2970 built including transfers to the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and ...
as the Harvard IIA. ;AT-6D :Same as AT-6B but with a 24V DC electrical system, 4388 built including transfers to the United States Navy as the SNJ-5 and to the United Kingdom as the Harvard III. Redesignated T-6D in 1948. ;XAT-6E :One AT-6D re-engined with a 575hp V-770-9 V-12 inline engine for trials. ;AT-6F :Same as AT-6D but with a strengthened airframe and minor modifications, 956 built including transfers to the United States Navy as the SNJ-6, Redesignated T-6F in 1948. Clear fixed rear canopy. Some went to Russia via
Lend-Lease Lend-Lease, formally the Lend-Lease Act and introduced as An Act to Promote the Defense of the United States (), was a policy under which the United States supplied the United Kingdom, the Soviet Union and other Allied nations with food, oil, ...
. ;AT-16 :
Noorduyn Noorduyn is a Canadian manufacturer of aircraft products and accessories, specializing in high performance composites. It is headquartered in Montreal, and has offices worldwide serving the commercial, business and military aviation markets. Th ...
built
lend-lease Lend-Lease, formally the Lend-Lease Act and introduced as An Act to Promote the Defense of the United States (), was a policy under which the United States supplied the United Kingdom, the Soviet Union and other Allied nations with food, oil, ...
Harvards, 1800 built


A-27

; North American A-27 :Two-seat attack version of AT-6 with a 785hp R-1820-75 engine and five 0.3in machine guns (two in nose, one on each wing and one dorsal). Designation used for ten aircraft for Thailand impressed into United States Army Air Corps use.


T-6 (Texan)

;T-6A :AT-6As re-designated in 1948. ;T-6C :AT-6Cs re-designated in 1948 including 68 re-builds with new serial numbers. ;T-6D :AT-6D re-designated in 1948 including 35 re-builds with new serial numbers. ;T-6F :AT-6F re-designated in 1948. ;T-6G :Earlier model AT-6/T-6s re-built between 1949-1953 with improved cockpit layout, increased fuel capacity, steerable tailwheel, updated radios and a 600hp R-1340-AN-1 engine. Identifiable by simplified canopy framing. 2068 modified. ;LT-6G :T-6Gs converted for battlefield surveillance and forward air controller duties, 97 modified. Nicknamed ''Mosquito''. ;T-6H :T-6Fs converted T-6G standard. ;T-6J :Designation claimed to have been used for Canadian-built Harvard Mk 4s, however no proof has ever surfaced that this designation was ever used, and aircraft record cards and markings on aircraft called them Harvard 4s. Supplied to Belgium, France, Italy, Portugal and West Germany, 285 aircraft. ;KN-1 :A single T-6F damaged in a crash during the Korean War that was rebuilt as a floatplane by the
Republic of Korea Navy The Republic of Korea Navy (ROKN; ko, 대한민국 해군), also known as the ROK Navy or South Korean Navy, is the naval warfare service branch of the South Korean armed forces, responsible for naval and amphibious operations. The ROK Navy inc ...
. ; Bacon Super T-6 :A single AT-6F converted in 1956 with tricycle gear, bubble canopy and tip tanks; no production followed.Hagedorn 2009, p.169.


NJ/SNJ Texan

; NJ-1 :United States Navy specification advanced trainer powered with 550hp Pratt & Whitney R-1340-6. Some re-engined with later versions of R-1340. Similar to BT-9, 40 built. ;SNJ-1 :Similar to Harvard I but with BC-1 wing center section, metal-covered fuselage and late T-6 type wing, 16 built. ;
SNJ-2 The North American Aviation T-6 Texan is an American single-engined advanced trainer aircraft used to train pilots of the United States Army Air Forces (USAAF), United States Navy, Royal Air Force, Royal Canadian Air Force and other air fo ...
:Same as SNJ-1 but with a R-1340-56 engine and changes to carburetor and oil cooler scoops, 61 built. ;SNJ-3 :Same as AT-6A, 270 built and 296 transferred from
USAAC The United States Army Air Corps (USAAC) was the aerial warfare service component of the United States Army between 1926 and 1941. After World War I, as early aviation became an increasingly important part of modern warfare, a philosophical r ...
. ;SNJ-3C :SNJ-3 converted as deck landing trainers with tailhook arrester gear, twelve modified. ;SNJ-4 :Same as AT-6C, 1240 built. ;SNJ-4C :SNJ-4s converted as deck landing trainers with tailhook arrester gear. ;SNJ-5 :AT-6Ds transferred from the USAAC, 1573 aircraft. ;SNJ-5C :SNJ-5s converted as deck landing trainers with tailhook arrester gear. ;SNJ-6 :AT-6Fs transferred from the
USAAF The United States Army Air Forces (USAAF or AAF) was the major land-based aerial warfare service component of the United States Army and ''de facto'' aerial warfare service branch of the United States during and immediately after World War II ...
, 411 aircraft. ;SNJ-7 :Early models modified to T-6G standards in 1952. ;SNJ-7B :An armed variant of the SNJ-7. ;SNJ-8 :Order for 240 cancelled.


Harvard

;Harvard I :Similar to BC-1 but without rear gun and with a 600hp R-1340-S3H1 engine, 400 aircraft. ;Harvard II :Similar to BC-1A, 526 built, again without provision for rear gunner. ;Harvard IIA (RAF & Commonwealth) :AT-6C, many with wooden rear fuselages when first delivered. ;Harvard IIA (RCAF) :'Armed' Harvard II - Any RCAF Harvard II or IIB fitted with wing guns, rockets or bombs. ;Harvard IIB :Noorduyn built Mk.IIs, some to US orders as AT-16s for lend-lease. Transfers back from the USAAF (1800) and 757 built. ;Harvard T.T. IIB :Target Tug - 42 aircraft built for the RAF by Noorduyn. Number probably included in II totals. ;Harvard IIF :Bombing/gunnery trainer - One-off modified from Mk.II with bomb aimer's blister and AT-6 type cockpit. ;Harvard III :AT-6D, 537 aircraft for RAF. ; :Canadian development of Harvard II paralleling the T-6G, and built by Canadian Car & Foundry, 270 for the
RCAF The Royal Canadian Air Force (RCAF; french: Aviation royale canadienne, ARC) is the air and space force of Canada. Its role is to "provide the Canadian Forces with relevant, responsive and effective airpower". The RCAF is one of three environm ...
and 285 for
USAF The United States Air Force (USAF) is the Aerial warfare, air military branch, service branch of the United States Armed Forces, and is one of the eight uniformed services of the United States. Originally created on 1 August 1907, as a part ...
. Some publications refer to these as T-6J however the aircraft record cards do not use this designation. ;Harvard 4K :Belgian designation for Harvard IIs and IIIs upgraded to roughly Harvard 4 specifications. ;Harvard 4KA :Belgian designation for armed variant of 4K.


North American company designations


References

;Citations ;Bibliography * Andrade, John M. ''U.S. Military Aircraft Designations and Serials since 1909'', Midland Counties Publications, England, 1979, * Davis, Larry. ''T-6 Texan in action''. Aircraft in Action Number 94. Carrollton, TX: Squadron/Signal Publications, 1989. * Fletcher, David C. & Doug MacPhail. ''Harvard! The North American Trainers in Canada'', DCF Flying Books, San Josef, BC, Canada, * Hagedorn, Dan. ''North American NA-16/AT-6/SNJ - WarbirdTech Series Volume 11'', Specialty Press, USA, 1997, *
"North American AT-6 Texan"
USWarplanes.net. Accessed 3 May 2010. {{Texan family 1930s United States military trainer aircraft World War II trainer aircraft of the United States T-06 Texan Lists of aircraft variants