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HomeBasic Flying TrainingAdvanced Flying Training S-EAdvanced Flying Training 2-EBombardier-Navigator Flying TrainingTransition: S-ETransition: 2-ETransition: 4-EFlexible Gunnery SchoolsBritish Flying Training SchoolsAdvanced Glider TrainingMiscellaneous CodesUnknown CodesTrainer SpecificationsAcknowledgements and SourcesApplicable Links
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Introduction . I have attempted to structure the field letter codes used on USAAF WWII training aircraft into a meaningful format. As of this writing I feel that the code data for basic and advanced flying training aircraft is fairly complete. The data for fighter and multi-engine bomber trainers continues to be collected. I welcome all information as there are no doubt omissions and revisions to be made. Is this list correct, complete and without fault? Hardly, it's a messy subject! Contact the webmaster with your input…Please! So much of the input to this site has been made by contributing sources such as yourselves. Researching this information and organizing it into a meaningful format has been a most daunting task. Actually, I have spent years collecting this information and have obtained my information from books, magazines, Internet, libraries, photographs, e-mails and interviews with some very helpful people. Any complete list formally documented by the USAAF has certainly been lost to time.The only formal USAAF documentation ever found on the subject was a letter written 20 May 1942 which specified the field letter codes for 15 AAF's within the Southeast AAF Training Center centered at Hq. Maxwell Field, Ala. Intereslingly, the actual title or name for the letter ID has never been located. I have seen a number of terms used by different authors such as: Field ID, Code Letter, Buzz Number, Fuselage Code, Station ID, et.al. So until formal documented title can be verified the expression of "Field Letter Code" will be used in this document. The locally assigned number displayed on the fuselage is identified as the "Field Number" in T.O. No. 07-1-1 para.7 d. (5.) dated June 15, 1943.
Flying Training Commands
Western Flying Training Command (WFTC) (Hq: Santa Ana, California) - Every base in this command had a single letter chosen for each field all of which were prefixed and displayed a hyphen between the field code letter and the number. Example: K- 201 for Stockton AAF, R-102 for Lemoore AAF. The WFTC had 10 Basic, 5 Adv S-E and 11 Adv 2-E bases under its command. Geography for the WFTC were states west of the Texas border.
Central Flying Training Command (CFTC) (Hq: Randolph Field, Texas)- The use of field letter codes was not universal in this command. Consequently, in the tables that follow the expression of 'NLA', is used meaning No Letter Assigned, Interestingly a number of suffix codes were used in this command (e.g.234E) none of which used a hyphen to separate the field letter code from the aircraft number. The The CFTC had 11 Basic, 10 Adv S-E and 9 Adv 2-E schools under its command. Geography for the CFTC was Texas and states immediatly to the north.
Eastern Flying Training Command (EFTC) (Hq: Maxwell Field. Alabama) - Every base in this command had a letter assigned for each field all of which were prefixes and did not display a hyphen between the field code and the number. . A number of bases used a double letter for their field code (e.g. NE 211.) The EFTC had 15 Basic, 9 Adv S-E, and 10 Adv 2-E schools under its command. Geography for the EFTC was primarily southern states east of Texas. Note: The EFTC was formerly known as the "Southeast AAF Training Center".
British Flying Training Schools (BFTS) Although not part of the USAAF Flying Training Organization program they are included here as the BFTS graduated 551 USAAF Cadets. The British had seven flying training locations in the USA which were run by the RAF. Interstingly all three levels of flying training were performed at every base. There was quite a variety of letter codes used at these bases ( i.e.single, double and triple letters) and needless to say a 'jumble' of letters could be foound at a given base. Geographical locations for the BFTS's were California, Arizona, Oklahoma, Texas and Florida.
Letter Code Formats
Primary Training Aircraft
Convention was that primary training aircraft would not display a field letter code and carry only numerics on the fuselage body. Typically, this numeric (1-999) was to be positioned on the fuselage aft of the rear cockpit. The addition or sole use of the aircraft serial number on the fuselage was not uncommon. Further, the US insignia was to be displayed only on wing positions. To date I have documented two AAF's and one primary school that did indeed display a field letter code on their aircraft as follows: Mather Field (CA) displayed the letter "I" on PT-22's and Randolph Field PT-19's were marked with the letter "H". The Spartan Aircraft Co., Tulsa, OK (a contract primary school) had at least one PT-19 with a field letter code of "R". Interestingly, all seven British Flying Training Schools (BFTS) operated their primary aircraft with fuselage letter codes. Both PT-17 and PT-19 aircraft were utilized and supporting photographs are included in that subsection.
Basic and Advanced Training Aircraft The US insignia was to be displayed on the wing with optional display on the fuselage. The fuselage would display the s/n or a sequential number assigned by the base (1-999) and in most cases an alpha character identifying the assigned base in one of the following formats: Prefix, Suffix or Infix. These alpha characters represented a specific base and were informally known as Field Codes and are NOT to be confused with the post WWII expression of Buzz Codes.
Prefix:
An alpha letter such as "T" or sometimes a double letter
such as "SP" was applied to the aft fuselage along with a locally assigned sequential numeric. Typically,
these alpha characters were a letter (s ) chosen either from the name of the AAF or from the name of a nearby community.
So in the case of "T" which was the field code for Mather Field (CA) the letter
't' was chosen from the name of the base. This term was then followed by locally assigned numeric hence
"T-300, 301, 302...". Other examples: Kirtland AAF chose "Q" which was selected from the community of Albuquerque and Luke Field used "X" which
was the last letter of Phoenix. It has also been noted in a few very rare cases that the aircraft ID was followed a letter sequence
instead of numerics (e.g. N- A,B,C...etc.). . Suffix: This system
of letter and numbers was simply reversed from the Prefix method above. The sequential number would be followed
by the field code (e.g. 234 N) as used by Blackland AAF on their AT-17 aircraft. Infix:
This system placed the field code 'sandwiched' between two numerics. An
example would be "3A90 " with the "A" representing Big Spring AAF, TX as usd on theri AT-11 trainers.
To date I have not found any formal documentation on the interpretation of this format. I am "guessing' that
the '3' was a sub-training group number and the '90' was the local assigned aircraft number. Other: The Riddle
School of Aviation (Florida) was a contract school that performed Advanced S-E (AT-6) and used alpha letters sequenced
together without numerics. For example "AA, AB, AC,...AZ", " BA, BB, BC..etc". Both US cadets and RAF cadets trained there as well. The physical size of the letter codes and associated number as well as location on the fuselage was defined in T.O. 07-1-1, "General Aircraft Markings, Insignia and Camouflage". As the supporting photographs in the following sub-sections are reviewed it will be noted that some of the aircraft display a variety of sizes and locations for the subject letter codes and numbering that are not necessarily compliant to the requirements of the technical order (e.g. "EP" for Eagle Pass AAF and "NE" for Newport AAF AR).
Transition Training FighterTransition Training was the last phase following advanced where pilots were introduced to higher performance fighters for the first time. The fighter aircraft utilized were P-39, P-40, P-47, et.al. and the field letter codes assigned were single letters such as A, B, C, D, V, etc. with frequent redundancy among the bases. How these code letters were chosen and allocated is unknown but I have documented what I have found for historical purposes. Twin Engine Bomber Training were typically the B-25, B-26, A-20 and A-26 aircraft all displaying quite a variety of letter and number code formats. Generally speaking the majority of these aircraft carried the field letter code on the nose and sometimes repeated on the tail. Prefix, Infix and Suffix markings have been noted.
Four Engine Bomber Training displayed a variety of field letter code formats and many times making logical sense (e.g. 'A' for Avon Park, 'D' for Drew Field, 'AR' for Ardmore Field). Other times there was no logical geographical association (e.g. 'BM' for Moses Lake). Occasionally the field letter code was carried on the fuselage other times on the vertical tail only and sometimes in both positions.
All-Through Schools (A-TS) Typically, when a cadet completed a specific phase of flying training (e.g. primary) he would be transferred to another base for basic and still another base for advanced. There were instances, although rare, where all three levels of flying training were completed on the same base. Known instances of the A-TS bases are as follows:
There were other instances where two phases of flying training were combined (e.g. basic and advanced) but then not necessarily for all classes at a given base. Some examples of combined basic-advance are listed below:
All constructive input is more than welcomed. Contact me!! webmaster@fuselagecodes.com Rev: 08/01/2020 by JDV
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