BuAer

									.
	US Navy and US Marine Corps Bu Nos
	First Bureau Number Series (1917-1935)

.	.	.	.	.	.	.	.	.	...
	In May of 1917, at the time of US entry into the great War, this was changed to a sequential numerical list, irrespective of type. For some reason, the number 51 was taken as a convenient starting point. The old prefix letters were retained for a short time, but no longer had any relationship to the serial numbers. On 19 May 1917, the prefix letters were officially abandoned and replaced by the single letter A for Aeroplane. These numbers were initially termed "building numbers", but were later termed "designating numbers". In later years, they came to be known as Bureau Numbers (BuNos), since they were assigned by the Navy's Bureau of Aeronautics after that organization was established in 1921. The A-prefix was deleted from the numbers at the end of Fiscal Year 1930
									...
.	A51		Wright Model K Seaplane			ex. AH-23		.	.
.	A52		Paul Schmitt seaplane			.		.	.
.	A53		DFW Seaplane			.		.	.
.	A54		Burgess-Dunne Tailless seaplane			.		.	.
.	A55 - A56		Burgess-Dunne Tailless seaplane			Contract cancelled		.	.
.	A57 - A58		Thomas HS seaplane			.		.	.
.	A59		Gallaudet D-1			.		.	.
.	A60 - A65		Curtiss N-9 - N-9H			.		.	.
.	A66 - A67		Curtiss R-3			.		.	.
.	A68 - A69		Martin Model S			ex. AH-19		.	.
.	A70 - A75		Burgess Model S			.		.	.
.	A76 - A81		Sturtevant Model S Seaplane			.		.	.
.	A82		Richardson seaplane			.		.	.
.	A83 - A84		Washington Navy Yard seaplane			Contract cancelled		.	.
.	A85 - A90		Curtiss N-9			.		.	.
.	A91		Standard seaplane			.		.	.
.	A92		Standard Twin seaplane			Contract cancelled		.	.
.	A93		Curtiss JN-TW			.		.	.
.	A94 - A95		Goodyear kite balloon			.		.	.
.	A96 - A125		Curtiss N-9			.		.	.
.	A126		Maurice Farman seaplane			.		.	.
.	A127		Connecticut Aircraft Corp DN-1 dirigible			.		.	.
.	A128 - A133		Sturtevant Type S seaplane			.		.	.
.	A134 - A136		Thomas-Morse SH-4			.		.	.
.	A137 - A139		Standard H-4-H			.		.	.
.	A140 - A141		Thomas Twin Tractor			Contract cancelled		.	.
.	A142 - A143		Aeromarine 700			.	.	.	.
.	A144		Aeromarine 700			Contract cancelled		.	.
.	A145 - A146		Curtiss F flying boat			Contract cancelled		.	.
.	A147 - A148		Boeing C (Pacific Aero Products)			.		.	.
.	A149		Curtiss JN-1W (S-4)			.		.	.
.	A150		Curtiss JN-1W (S-5)			.		.	.
.	A151		Goodyear kite balloon			.		.	.
.	A152		Curtiss H-8			.		.	.
.	A153		NAS Pensacola seaplane			.		.	.
.	A154		NAS Pensacola seaplane			Contract cancelled		.	.
.	A155 - A156		Burgess HT-B			.		.	.
.	A157 - A159		Curtiss JN-4B			.		.	.
.	A160 - A161		Goodyear kite balloon			.		.	.
.	A162 - A197		Curtiss R-6			.		.	.
.	A198		Curtiss JN-1			.		.	.
.	A199 - A200		Curtiss JN-1			.Contract cancelled		.	.
.	A201 - A234		Curtiss N-9			.		.	.
.	A235 - A243		Goodyear B-class dirigible			.		.	.
.	A244 - A248		Goodyear B-class dirigible			.		.	.
.	A249 - A250		Connecticut B-Class dirigible			.		.	.
.	A251		Connecticut Aircraft free balloon			.		.	.
.	A252 - A275		Connecticut Aircraft free balloon			Contract cancelled		.	.
.	A276 - A287		Goodyear kite balloon			.		.	.
.	A288 - A290		Wright-Martin R			.		.	.
.	A291 - A293		Curtiss L-2			.		.	.
.	A294 - A301		Curtiss N-9			.		.	.
.	A302 - A341		Curtiss R-9			.		.	.
.	A342 - A371		Curtiss N-9			.		.	.
.	A372 - A373		Curtiss N-9			Contract cancelled		.	.
.	A374 - A379		Burgess HT-2			.		.	.
.	A380 - A385		Burgess U-2			.		.	.
.	A386 - A387		Curtiss F flying boat			.		.	.
.	A388 - A389		Curtiss JN-4A			.		.	.
.	A390 - A393		Curtiss F flying boat			.		.	.
.	A394		Sopwith Schneider			.		.	.
.	A395 - A406		Thomas-Morse SH-4			.		.	.
.	A407		Sopwith Baby			.		.	.
.	A408		Curtiss F flying boat			.		.	.
.	A409 - A438		Curtiss N-9			Build by Burgess as N-9.			.
.	A439 - A441		Aeromarine 700			.		.	.
.	A442 - A444		Loening M-2 Kitten			.		.	.
.	A445 - A449		Curtiss GS-2			.		.	.
.	A450 - A499		Aeromarine 39-A			.	.	.	.
.	A500 - A649		Aeromarine 39-B			.	.	.	.
.	A650 - A699		Boeing C			.		.	.
.	A700 - A751		Goodrich kite balloon			.		.	.
.	A752 - A756		Curtiss F flying boat			.		.	.
.	A757 - A762		Thomas-Morse S-5			.		.	.
.	A763 - A764		Caquot M kite balloon			.		.	.
.	A765 - A783		Curtiss H-12			.		.	.
.	A784 - A799		Curtiss H-16			.		.	.
.	A800 - A814		Curtiss HS-1L - 2L			.		.	.
.	A815		Curtiss HS-2L			Contract cancelled		.	.
.	A816 - A817		Caquot P kite balloon			.		.	.
.	A818 - A867		Curtiss H-16			.		.	.
.	A868		Curtiss GS-1			.		.	.
.	A869 - A872		Sopwith Baby			.		.	.
.	A873 - A994		Curtiss R-6			.		.	.
.	A995 - A997		Curtiss JN-4D			.		.	.
.	A998		Goodrich kite balloon			.		.	.
.	A999 - A1028		Curtiss N-9			.Build by Burgess as N-9		.	.
.	A1029		Sea Scout airship			.		.	.
.	A1030		Sea Scout airship			Contract cancelled		.	.
.	A1031 - A1048		Curtiss H-16			.			.
.	A1049 - A1098		Curtiss H-16			Build by the Naval Aircraft Factory.			.
.	A1099 - A1366		Curtiss HS-2L			Build by Standardt as HS-2L.			.
.	A1367 - A1398		Curtiss HS-2L			Contract cancelled		.	.
.	A1399 - A1498		Curtiss HS-2L			.		.	.
.	A1499 - A1548		Curtiss HS-2L			Contract cancelled		.	.
.	A1549 - A1948		Curtiss HS-2L			.		.	.
.	A1949 - A1999		Curtiss HS-2L			.		.	.
.	A2000 - A2207		Curtiss HS-2L			Contract cancelled		.	.
.	A2208 - A2214		Goodyear kite balloon			.		.	.
.	A2215 - A2216		Connecticut Aircraft free balloon			.		.	.
.	A2217 - A2276		Curtiss HS-2L			.Build by Gallaudet as HS-2L.			.
.	A2277		Curtiss F flying boat			.		.	.
.	A2278		Curtiss HA			.		.	.
.	A2279 - A2280		Curtiss F flying boat			Build by Burgessc as Type F.			.
.	A2281		Curtiss F flying boat			Build by Mitchell as Type F			.
.	A2282 - A2283		Davis N-1 Gun Carrier			.		.	.
.	A2284		Burgess U-2			.		.	.
.	A2285 - A2290		Curtiss N-9			.		.	.
.	A2291		Curtiss NC-1			.		.	.
.	A2292		Curtiss NC-2			.		.	.
.	A2293		Curtiss NC-3			.		.	.
.	A2294		Curtiss NC-4			.		.	.
.	A2295 - A2344		Curtiss F flying boat			.		.	.
.	A2345 - A2350		Curtiss MF			.		.	.
.	A2351 - A2572		Curtiss N-9H			Build by Burgess as N-9H			.
.	A2574 - A2650		Curtiss N-9H			Build by Burgess as N-9H			.
.	A2651 - A2652		Briggs flying boat			.		.	.
.	A2653 - A2654		Gallaudet D-4			.		.	.
.	A2655 - A2844		Goodyear kite balloon			.		.	.
.	A2845 - A2929		Goodyear kite balloon			.Contract cancelled		.	.
.	A2930 - A3020		Goodyear kite balloon			.		.	.
.	A3021 - A3204		Goodyear kite balloon			.Contract cancelled		.	.
.	A3205 - A3234		Curtiss JN-4HT			.		.	.
.	A3235 - A3244		Thomas-Morse S-4B			.		.	.
.	A3245 - A3324		De Havilland DH-4A			Build by Dayton-Wright			.
.	A3325 - A3326		Curtis 18-T1			.		.	.
.	A3327		Briggs F Boat			.		.	.
.	A3328 - A3332		Curtiss F flying boat			Build by American Transoceanic as Type F.			.
.	A3333 - A3362		Canadian Aeroplanes Ltd. F-5L (PN-5)			.		.	.
.	A3363 - A3382		Canadian Aeroplanes Ltd. F-5L			Contract cancelled		.	.
.	A3383 - A3458		De Havilland DH-4A			Build by Dayton-Wright			.
.	A3459 - A3558		Curtiss H-16			Build by the Naval Aircraft Factory.			.
.	A3559 - A3617		Naval Aircraft Factory F-5L			.		.	.
.	A3618 - A3658		Naval Aircraft Factory F-5L			Contract cancelled		.	.
.	A3659 - A3683		Naval Aircraft Factory F-5L			.		.	.
.	A3694 - A3783		Naval Aircraft Factory F-5L			Contract cancelled		.	.
.	A3784 - A3800		Naval Aircraft Factory F-5L			.		.	.
.	A3801 - A3858		Naval Aircraft Factory F-5L			Contract cancelled		.	.
.	A3859 - A3880		Naval Aircraft Factory F-5L			.		.	.
.	A3881		Naval Aircraft Factory F-5L			Contract cancelled		.	.
.	A3882		Naval Aircraft Factory F-5L			.		.	.
.	A3883 - A3885		Naval Aircraft Factory F-5L			Contract cancelled		.	.
.	A3886 - A3940		Naval Aircraft Factory F-5L			.		.	.
.	A3941 - A4008		Naval Aircraft Factory F-5L			Contract cancelled		.	.
.	A4009 - A4013		Naval Aircraft Factory F-5L			.		.	.
.	A4014 - A4035		Naval Aircraft Factory F-5L			Contract cancelled		.	.
.	A4036 - A4037		Naval Aircraft Factory F-6L (PN-6)			.		.	.
.	A4038		Naval Aircraft Factory F-5L			.		.	.
.	A4039 - A4078		Curtiss H-16			.		.	.
.	A4079 - A4108		Curtiss F flying boat			.		.	.
.	A4109		Goodyear E-1 Dirigible			.		.	.
.	A4110		Curtiss HA-1			.		.	.
.	A4111		Curtiss HA-2			.		.	.
.	A4112 - A4117		Curtiss JN-4B			.		.	.
.	A4118 - A4127		Goodyear C dirigibles			.		.	.
.	A4119		Goodrich C dirigibles			.		.	.
.	A4120 - A4122		Goodyear C dirigibles			.		.	.
.	A4123		Goodrich C dirigibles			.		.	.
.	A4124 - A4125		Goodyear C dirigibles			.		.	.
.	A4126 - A4127		Goodrich C dirigibles			.		.	.
.	A4128 - A4183		Curtiss JN-4HG-1			.		.	.
.	A4184 - A4186		Curtiss JN-4HG			.		.	.
.	A4187 - A4217		Curtiss JN-6HG-1			.		.	.
.	A4218 - A4227		Standard M-Defense (E-1?)			.		.	.
.	A4228 - A4229		Curtiss HS-2L			Build by Lougheadt as HS-2L			.
.	A4230		Tellier F-3 flying boat			.		.	.
.	A4231 - A4255		Curtiss HS-2L			Build by Boeing as HS-2L			.
.	A4256 - A4280		Curtiss HS-2L			Contract cancelled		.	.
.	A4281 - A4340		Curtiss F-5L (PN5)			.		.	.
.	A4341 - A4342		Naval Aircraft Factory N-1			.		.	.
.	A4343		Curtiss F flying boat			Build by Carolina Aircraft Corp as Type F			.
.	A4344 - A4346		Curtiss F flying boat			.Contract cancelled		.	.
.	A4347		Boeing C-1F			.		.	.
.	A4348		Goodyear F-1 dirigible			.		.	.
.	A4349 - A4402		Curtiss F flying boat			.		.	.
.	A4403 - A4418		Curtiss MF			.		.	.
.	A4419 - A4449		Curtiss MF			Contract cancelled		.	.
.	A4450 - A4450		Goodyear D dirigibles			.		.	.
.	A4451 - A4454		Goodyear D dirigibles			.		.	.
.	A4455 - A4469		Goodyear D dirigibles			.Contract cancelled		.	.
.	A4470 - A4819		Curtiss F-5L			.Contract cancelled		.	.
.	A4820 - A5019		Curtiss N-9			.Contract cancelled		.	.

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