A-1 to DWC E-1 to JW K-4 to QU-22 R-1 to ZRS

K-4	 J V Martin  1922
KA-2	 North American (AJ) c.1950
KA-3	 Douglas (A3D) 1966
KA-6	 Grumman (A2F) 1966
KA-7	 Vought - cancelled
KB-29	 Boeing Superfortress 1952
KB-47	 Boeing Stratojet 1955
KB-50	 Boeing Superfortress 1954
KC-10	 McDonnell Douglas DC-10 Extender 1980
KC-97	 Boeing Stratotanker 1944
KC-124	 Douglas Globemaster II 1951
KC-130	 Lockheed (GV) Hercules 1962
KC-135	 Boeing Stratotanker 1954
KS-3 	 Lockheed Viking 1975

L-1	 Stinson (O-49) Vigilant 1942
L-2	 Taylorcraft (O-57) 1942
L-3	 Aeronca (O-58) Defender 1942
L-4	 Piper (O-59) 1942
L-5 	 Stinson (O-62) Sentinel 1942 - to U-19
L-6	 Interstate (O-63) Cadet 1943
L-7	 Universal-Monocoupe 90-AF 1942 - (exp France)
L-8	 Interstate S-1A Cadet 1942 - (exp Bolivia)
L-9	 Stinson-Vultee 10 Voyager 1942
L-10	 Ryan SCW 1942
L-11	 Bellanca 31-50 1942
L-12	 Stinson SR Reliant 1942
L-13	 Convair  1945
L-14	 Piper (L-4) 1945
L-15	 Boeing Scout 1947
L-16	 Aeronca 7 1947
L-17	 North American Navion 1947 - to U-18
L-18	 Piper (L-4J) 1949
L-19 	 Cessna 305 Bird Dog 1949 - to O-1
L-20	 De Havilland Beaver 1951 - to U-6
L-21	 Piper PA-18 1952
L-22	 Ryan Super Navion 1951 - to L-17D
L-23	 Beech Bonanza/Queen Air 1952 - to U-8
L-24	 Helio H-391 Courier 1956
L-25	 McDonnell 1956 to XV-1
L-26	 Aero Commander 1956 - to U-4/-9
L-27	 Cessna 310 1957 - to U-3
L-28	 Helio (L-24) Super Courier 1958 - to U-10
L-39	 Bell (P-39) - USN swept-wing
LB-1	 Huff-Daland Pegasus 1923
LB-2	 Fokker-Atlantic (C-2) 1925 
LB-3	 Huff-Daland (LB-1) Pirate 1925
LB-4	 Martin - cancelled
LB-5	 Huff-Daland Pirate 1927 
LB-6	 Keystone (LB-5) Panther 1928
LB-7	 Keystone (LB-6) Panther 1929
LB-8	 Keystone (LB-6) 1929
LB-9	 Keystone (LB-6) 1929
LB-10	 Keystone (LB-6) 1929 - to B-3
LB-11	 Keystone (LB-6) 1930
LB-12	 Keystone (LB-7) 1930
LB-13	 Keystone (LB-7) 1930 - to B-4/-6
LB-14	 Keystone (LB-7) 1930 - to B-5
LB-30	 Consolidated (B-24) Liberator II 1941
LBE	 Pratt-Read  1941
LBP	 Piper (LBE) 1941
LBT	 Taylorcraft (LBE) 1941
LC-47	 Douglas Skytrain/Dakota 1962
LC-117	 Douglas Super DC-3 Skytrain 1962
LC-126	 Cessna 1949 - to U-20
LC-130	 Lockheed Hercules 1962 - to USN UV-1L
LH-34	 Sikorsky (HUS-1) Seabat 1962 USN
LNE	 Pratt (TG-32) 1945
LNP	 Piper (TG-8) 1941
LNR 	 Aeronca (TG-5) 1941
LNS 	 Schweizer (TG-2) 1941
LNT 	 Taylorcraft (TG-6) 1941
LP-2	 Lockheed (P2V-7) Neptune 1962
LR2A	 Allied - cancelled
LRA	 Allied 1941
LRG	 AGA Aviation 1941
LRH	 Snead 1941
LR2N	 N A F 1941
LRN	 N A F 1941
LRQ	 Bristol 1941
LR2W	 Waco (CG-4) 1941
LRW 	 Waco (CG-4) 1940
LS	 Grumman (UF-1L) Albatross 1962
LUSAGH	 Engineering Division 1918
LUSAO	 Engineering Division 1919

M-1	 Standard 1918
M-1	 Engineering Division-Sperry Messenger 1919
M-16	 Macchi 1922
M-80	 Loening 1921
M-81	 Loening 1921
MAT	 Sperry 1922
MB-1	 Martin 1918 - orig GMP and T-1
MB-2	 Martin (MB-1) 1920 - also as NBS-1
MB-3	 Thomas-Morse 1919
MB-6	 Thomas-Morse 1921
MB-7	 Thomas-Morse racer 1922
MB-9	 Thomas-Morse 1922
MB-10	 Thomas-Morse 1923
MBT	 Martin MT 1920
MC-54	 Douglas Skymaster 1951
MC-97	 Boeing Stratofreighter 1951
MC-130	 Lockheed Combat Talon I/II 1978
MC-131	 Convair Samaritan 1954
MF	 Curtiss F 1918
MF-1	 North American (FJ-3M) Fury 1962
MF-3	 McDonnell Demon 1962
MF-10	 Douglas (F3D-2M) Skyknight 1962
MH-6A	 McDonnell Douglas 500MD Defender 1990 - to OH-8
MH-47	 Boeing-Vertol Chinook 1987
MH-53E	 Sikorsky (CH-53) Sea Dragon 1983
MH-53H	 Sikorsky (HH-53) Pave Low II 1979
MH-60G	 Sikorsky (UH-60) Pave Hawk 1983
MH-60K	 Sikorsky (UH-60) Black Hawk 1990
M2O	 Martin 1923
MO	 Martin 1924
MP-2F	 Lockheed (P2V-6B) Neptune 1962
MS	 Martin 1923
MT 	 Martin 1920
MV-22	 Bell-Boeing Osprey 1989

N-1	 N A F 1918
N-8	 Curtiss JN-4 1918
N-9	 Curtiss JN-4B 1918
N2B	 Boeing 1930
N2C	 Curtiss (A-3) Fledgling 1928
N2M	 Martin 1924
N2N	 N A F 1923
N2S	 Stearman-Boeing (PT-17) 1930
N2T	 Timm 1944
N2Y	 Consolidated 1929
N3N	 N A F 1941
N3S	 Stearman-Boeing (N2S) 1943
N3Y	 Consolidated 1929
N4Y	 Consolidated (PT-11) 1932
N5N	 N A F 1914
NB	 Boeing 1925
NB-36H	 Convair Peacemaker 1955 - to X-6
NBL-1	 Barling-Witteman Bomber 1923
NBL-2	 Martin 1920
NBS-1	 Martin (MB-2) 1920
NBS-2	 L-W-F 1923
NBS-3	 Elias 1924
NBS-4	 Curtiss (NBS-1) 1924
NC	 N A F 1918
NE	 Piper (L-4) 1942
NN	 Huff-Daland (TW-5)   1922
NH	 Howard (C-70) 1942
NJ	 North American (BT-9) 1937
NK	 Keystone 1928
NKC-135	 Boeing 1970 - flying lab
NL	 Langley 1925
NM	 N A F 1922
NO	 Huff-Daland (HO) 1923
NO	 N A F (M-2O) 1923 (conflicting)
NO-1	 Douglas 1920
NO-2	 Douglas 1924
NP	 Spartan 1941
NQ	 Fairchild (T-31) 1945
NR	 Maxson - trainer, possibly Fleet-Buffalo
NR	 Ryan Recruit (PT-22) 1940
NS	 Stearman-Boeing (PT-13) 1940
NT	 New Standard 1934
NW	 Wright 1923
NY 	 Consolidated (PT-3) Trusty 1926

O-1	 Curtiss Falcon 1924
O-1	 Cessna L-19 Bird Dog 1962
O-2	 Douglas 1924
O-2	 Cessna Skymaster 1961
O-3	 Wright 1925 - not built
O-3	 Lockheed 1968
O-4	 Martin 1925 - not built
O-5	 Douglas (DWC) 1924
O-6	 Thomas-Morse (O-2) 1926
O-7	 Douglas (O-2) 1926
O-8	 Douglas (O-2) 1926
O-9	 Douglas (O-2) 1926
O-10	 Loening (XOA-2) 1928
O-11	 Curtiss (O-1) Falcon 1926
O-12	 Curtiss (O-1) Falcon 1930
O-13	 Curtiss (O-1) Falcon 1930
O-14	 Douglas 1928
O-15	 Keystone 1928
O-16	 Curtiss (O-11) Falcon 1930
O-17	 Consolidated (PT-3) 1928
O-18	 Curtiss (O-11) Falcon 1930
O-19	 Thomas-Morse 1929
O-20	 Thomas-Morse (O-19) 1929
O-21	 Thomas-Morse (O-19) 1929
O-22	 Douglas (O-2H) 1929
O-23	 Thomas-Morse (O-19) 1928
O-24	 Curtiss - not built
O-25	 Douglas (O-2) 1929
O-26	 Curtiss (O-1) Falcon 1939 
O-27	 Fokker 1931
O-28	 Vought (O2U-3) 1928 - USN
O-29	 Douglas (O-2) 1929
O-30	 Curtiss 1930 - not built
O-31	 Douglas 1930
O-32	 Douglas (O-2) 1929
O-33	 Thomas-Morse (O-19) 1930
O-34	 Douglas (O-22) 1930
O-35	 Douglas 1931 - temp OLR-35
O-36	 Douglas (O-35) 1931 - proto B-7
O-37	 Keystone (O-10) 1930
O-38	 Douglas (O-25) 1930
O-39	 Curtiss (O-1) Falcon 1931
O-40	 Curtiss Raven 1931
O-41	 Thomas-Morse 1931
O-42	 Thomas-Morse - cancelled
O-43	 Douglas (O-31) 1931
O-44	 Douglas (B-11) 1933 - to OA-5
O-45	 Martin (YB-10) 1935
O-46	 Douglas (O-43) 1935
O-47	 North American 1937
O-48	 Douglas (O-46) 1934
O-49	 Stinson 1939 - to L-1
O-50	 Bellanca 1940
O-51	 Ryan Dragonfly 1943
O-52	 Curtiss Owl 1940
O-53	 Douglas (A-20) 1940
O-54	 Stinson 105 1940 
O-55	 ERCO Ercoupe 415-C 1941
O-56	 Lockheed (B-37) 1943
O-57	 Taylorcraft Grasshopper 1941 - to L-2
O-58	 Aeronca TAC Defender 1941 - to L-3
O-59	 Piper J-3 1941 - later L-4
O-60	 Kellett (XR-2) 1942
O-61	 AGA Aviation - cancelled
O-62 	 Stinson-Vultee (L-5) 1942
O-63	 Interstate Cadet 1941 - to L-6
O2B 	 Boeing (DH-4) 1925
O2C	 Curtiss (F8C-8) Helldiver 1930
O2D	 Douglas 1934
O2L	 Keystone-Loening 1932
O2U 	 Vought (O-28)  Corsair 1926
O3C	 Curtiss (O2C) Helldiver 1933
O3U	 Vought (O2U) Corsair 1930 - to SU
O4U	 Vought (O3U) Corsair 1940
O5U 	 Vought 1934
OA-1	 Loening  1925 - orig COA-1
OA-2	 Loening (OA-1) 1929
OA-3	 Douglas (C-21) Dolphin 1933
OA-4	 Dolphin Douglas (C-26) 1936
OA-4M	 Douglas Skyhawk II/Mongoose 1978
OA-5	 Douglas (B-11) 1935
OA-6	 Consolidated - cancelled
OA-7	 Douglas - cancelled
OA-8	 Sikorsky S-43 1937
OA-9	 Grumman G-21A Goose 1938
OA-10	 Consolidated (PBY-5A) Catalina 1942
OA-11	 Sikorsky S-43 (OA-8) 1941
OA-12	 Grumman (J2F-5) Duck 1942
OA-13	 Grumman (OA-9) Goose 1942
OA-14	 Grumman G-44 Widgeon 1942
OA-15	 Republic SeaBee - cancelled
OA-37	 Cessna (A-37) Dragonfly
OB	 Boeing - cancelled
OC	 Curtiss (F8C-1/3) Falcon 1928
OD	 Douglas (O-2) 1927 
OE 	 Cessna (L-19) Bird Dog 1950 - to O-1
OF	 Grumman (OV-1) Mohawk 1959 - cancelled
OH-4	 Bell 1962 - to HO-4
OH-5	 Hiller 1962 H-5 - to HO-5
OH-6	 Hughes Cayuse 1962 - to HO-6
OH-6	 McDonnell Douglas (OH-6) 1988
OH-6B	 Hughes (H-6) Super Cayuse 1988
OH-8	 McDonnell Douglas 500MD (AH-6A) 1981
OH-13	 Bell Sioux 1946
OH-43	 Kaman (HOK) Huskie 1962
OH-58	 Bell Kiowa 1968
OH-58D	 Bell Aeroscout 1987
OJ	 Berliner-Joyce 1929
OK	 Keystone 1929
OL 	 Loening (OA-1) 1925
OO	 Viking 1930
OP	 Pitcairn autogyro 1931
OP-2E	 Lockheed Neptune 1967
OQ-2	 Radioplane (A-2) 1941 - to TDD 1941
OQ-3	 Radioplane 1941
OQ-14	 Radioplane 1941
OQ-16	 Frankfort 1941 - to TD3D
OQ-17	 Radioplane 1942 - to TD4D
OQ-19	 Radioplane 1946
OS2E	 Edo (OSE) 1945
OSE	 Edo (SO2E) 1945
OS2N	 N A F (OS2U) Kingfisher 1942
OSN	 N A F 1938
OSS	 Stearman 1938
OS2U	 Vought Kingfisher 1938
OSU 	 Vought (O3U) Corsair 1936
OV-1	 Grumman (OF) Mohawk 1962 - from AO-1
OV-10	 Rockwell Bronco 1965
OY	 Consolidated (L-5) 1945
OZ	 Pennylvania Aircraft (N2Y) 1934

P-1	 Curtiss Hawk (PW-8) 1924
P-2 	 Curtiss (P-1) Hawk 1925
P-2	 Lockheed P2V Neptune 1962
P-3 	 Curtiss (P-1) Hawk 1928
P-3	 Lockheed (P3V) Orion 1962
P-3	 Lockheed (P-3) 1983
P-4	 Boeing (PW-9) 1925
P-4	 Convair (P4Y-2) Privateer 1962
P-5	 Curtiss (P-1) Hawk 1928
P-5 	 Martin (P5M) Marlin 1962
P-6	 Curtiss (P-1/Y1P-22) Hawk racer 1927
P-6	 Martin (P6M) Seamaster 1962
P-7	 Boeing (PW-9) 1928
P-7	 Lockheed (P-3C) 1989
P-8 	 Boeing 66 1927
P-9	 Boeing 96 1930
P-9	 McDonnell Douglas MD91 1988
P-10	 Curtiss 1930
P-11	 Curtiss (P-6) Hawk 1930
P-12 	 Boeing 89 1929
P-13	 Thomas-Morse Viper 1929
P-14	 Curtiss - cancelled
P-15 	 Boeing 202 1930
P-16 	 Berliner-Joyce (F2J) 1930 - to PB-1
P-17	 Curtiss (P-1) Hawk 1930
P-18	 Curtiss - cancelled
P-19	 Curtiss - cancelled
P-20	 Curtiss (P-11) Hawk 1930
P-21	 Curtiss (P-3) Hawk 1930
P-22	 Curtiss (P-6) Hawk 1931 - proto P-6E 
P-23	 Curtiss (P-22) Hawk 1932
P-24	 Detroit-Lockheed XP-900 1931
P-25	 Consolidated 1932
P-26	 Boeing 248 1932
P-27	 Consolidated (P-25) - cancelled
P-28	 Consolidated (P-25) - cancelled
P-29 	 Boeing XP-940 1934
P-30	 Consolidated (P-25) 1934 - to PB-2
P-31	 Curtiss XP-934 1932
P-32	 Boeing (P-29) - cancelled
P-33	 Consolidated (P-30) - cancelled
P-34	 Wedell-Williams - cancelled
P-35	 Seversky Guardsman 1937
P-36	 Curtiss Hawk 1937
P-37	 Curtiss (P-36) 1939
P-38 	 Lockheed Lightning 1939
P-39	 Bell Airacobra 1938
P-40	 Curtiss Warhawk/Tomahawk 1938
P-41	 Seversky (P-35) 1939
P-42	 Curtiss Hawk (P-36A) 1939
P-43	 Lancer Republic (P-35) 1940
P-44	 Republic AP-4J/L 1941
P-45	 Bell 1938 - orig desig P-39C
P-46	 Curtiss (P-40) Warhawk 1941
P-47	 Republic Thunderbolt 1941
P-48	 Douglas - cancelled
P-49	 Lockheed (P-38) 1942
P-50 	 Grumman (XF5F-1) Skyrocket 1941
P-51	 North American Apache/Mustang 1942
P-52	 Bell 16 - cancelled
P-53	 Curtiss (P-46) - cancelled
P-54	 Vultee V-70 1943
P-55	 Curtiss 24 Ascender 1943
P-56	 Northrop N2M 1944
P-57	 Tucker - cancelled
P-58	 Lockheed Chain Lightning 1944
P-59	 Bell Airacomet 1942
P-60	 Curtiss (P-53) 1941
P-61 	 Northrop (F2T) Black Widow 1942
P-62	 Curtiss 1943
P-63 	 Bell (P-39E) Kingcobra 1942
P-64	 North American NA-50 1940
P-65	 Grumman (P-50) Skyrocket 1942
P-66	 Vultee 48-C Vanguard 1941
P-67	 McDonnell Bat 1944
P-68	 Vultee - cancelled
P-69 	 Republic AP-18 - cancelled
P-70 	 Douglas (A-20) Night Havoc 1941
P-71 	 Curtiss - cancelled
P-72 	 Republic (P-47) 1944
P-73	 not assigned
P-74	 not assigned
P-75 	 Fisher-GMC Eagle 1943
P-76 	 Bell - cancelled
P-77 	 Bell D-6 1944
P-78	 North American (XP-51B) 1942 - orig desig
P-79	 Northrop Flying Ram 1945
P-80 	 Lockheed Shooting Star 1944
P-81 	 Convair 1945
P-82 	 North American Twin Mustang 1945
P-83 	 Bell (P-59A) 1945
P-84 	 Republic Thunderjet 1946
P-85 	 McDonnell Goblin 1946
P-86 	 North American (FJ) Sabre 1947
P-87 	 Curtiss Blackhawk 1948
P-89 	 Northrop Scorpion 1946
P-90 	 Lockheed 1947
P-91 	 Republic (P-84) Thunderceptor 1947
P-92 	 Convair Delta Dagger 1948
PA-1	 Loening 1922 - desig used only this one time
PA-48	 Piper Enforcer 1983
P2B	 Boeing (B-29) 1947
P2D	 Douglas (T2D) 1930
P2H	 Hall 1932
P2M	 Martin (PY) 1931
P2N	 N A F 1929 - temp desig PN-11, to P4N
P2V	 Lockheed Neptune 1945
P2Y	 Consolidated (PY) 1932
P3D	 Douglas 1935
P3M	 Martin (P2M) 1931
P3V	 Lockheed P-3 Orion 1959
P3Y	 Consolidated 1935 - proto PBY
P4M	 Martin Mercator 1946
P4N	 N A F 1930 - redes P2N
P4Y-1	 Consolidated Corregidor 1941
P4Y-2	 Convair Privateer 1951 - to PB4Y-2
P5M 	 Martin (P-5) Marlin 1951 - to P-5
P5Y	 Convair
P6M 	 Martin (P-6) Seamaster 1955
P6Y	 Convair 1956 - proposed
PB	 Boeing 1925
PB 	 Boeing (B-17) 1945
PB-1	 Berliner-Joyce (P-16) 1935
PB-2	 Consolidated (P-30) 1935
PB2B	 Boeing (PBY) Catalina 1943
PB2M 	 Martin Mars 1942 - to JRM
PB2S	 Boeing-Canada (PBY) Catalina 1939
PB2Y	 Consolidated Coronado 1937
PB3Y	 Consolidated 1942
PB4Y	 Consolidated (B-24) Privateer 1942
PBB	 Boeing Sea Ranger 1942
PBJ	 North American (B-25) Mitchell 1944
PBM 	 Martin Mariner 1939
PBN 	 N A F (PBY) Nomad 1941
PBO	 Lockheed (A-28/29) Hudson 1940
PBS-1	 Sikorsky 1937
PBS-2	 Sikorsky 1929(?)
PBV	 Vickers-Candada (PBY) 1941
PBY	 Consolidated Catalina (P3Y) 1936
PC-121	 Lockheed Constellation 1949
PD	 Douglas (PN) 1929
PF	 Grumman (UF) Albatross 1948 - temp redesig JR2F
PG-1	 Aeromarine 1920
PG-1	 Northwestern-Waco (CG-4A) 1943
PG-2	 Northwestern-Waco (CG-4A) 1943
PG-3	 Waco (CG-15) 1946
PH	 Hall (PN-11/P4N) 1927
PJ	 General Aircraft (FLB) 1932
PK	 Keystone (PN) 1930
PM	 Martin (PN) 1929
PN	 N A F (F-5L) 1922
PN-1	 Curtiss 1921
PN-7	 Curtiss F-7L
PQ-8	 Culver (A-8) 1941
PQ-9	 Culver (PQ-8) 1941
PQ-10	 Culver 1941
PQ-11	 Fletcher 1941
PQ-12	 Fleetwings 1941
PQ-13	 ERCO 1941
PQ-14	 Culver (PQ-8) 1941
PQ-15	 Culver 1945 (PQ-14)
PO	 Lockheed C-69 Warning Star 1949 - to WV-1/-2
P2S 	 Sikorsky 1932
PS	 Sikorsky C-6 1927
PS-1	 Dayton-Wright 1923
PT	 N A F  1922
PT-1	 Consolidated (TW-3) Trusty 1924
PT-2	 Consolidated (PT-1) Trusty 1928
PT-3	 Consolidated (PT-1) Trusty 1928
PT-4	 Consolidated (PT-3) - cancelled
PT-5	 Consolidated (XPT-3) Trusty 1929
PT-6	 Fleet 7 Husky Junior 1930
PT-7	 Mohawk M-1C Pinto 1930
PT-8	 Consolidated (XO-17A/PT-3A) Courier 1931
PT-9	 Stearman Cloudboy 1931
PT-10	 Verville Sportsman 1931
PT-11	 Consolidated 21 1932 - to BT-6
PT-12	 Consolidated (PT-11) 1932 - to Y1BT-7
PT-13	 Stearman-Boeing (PT-9) Kaydet 1936
PT-14	 Waco UPF-7 1940
PT-15	 St Louis PT-1W 1940
PT-16	 Ryan STA 1939
PT-17	 Stearman-Boeing (PT-13) Kaydet 1938
PT-18	 Stearman-Boeing (PT-13) Kaydet 1938
PT-19	 Fairchild M-62 Cornell 1940
PT-20	 Ryan (PT-16) Recruit 1940
PT-21	 Ryan (PT-16) Recruit 1940 
PT-22	 Ryan (PT-16) Recruit 1940
PT-23	 Fairchild (PT-19) Cornell 1941
PT-24	 De Havilland Tiger Moth 1942
PT-25	 Ryan ST-4 1942
PT-26	 Fairchild (PT-19) Cornell 1942
PT-27	 Stearman-Boeing (PT-17) Kaydet 1942
PTBH	 Hall 1935
PV-1	 Lockheed Lexington 1942
PV-2	 Lockheed Harpoon 1942
PW-1	 Engineering Division VCP-2 1921
PW-2	 Loening M-8 1921
PW-3	 Orenco D-2 1921
PW-4	 Gallaudet 1921
PW-5	 Fokker F.IV 1921
PW-6 	 Fokker D.IX 1921
PW-7	 Fokker D.XI 1921
PW-8 	 Curtiss (R-6) 1923 - to P-1 Hawk
PW-9 	 Boeing 15 1923
PY	 Consolidated 1927

QH-50	 Gyrodyne (DSN) 1962
QT-2	 Lockheed 1967
QT-3 	 Lockheed (QT-2) 1968 - to O-3
QU-22	 Beech Pave Eagle 1960
A-1 to DWC E-1 to JW K-4 to QU-22 R-1 to ZRS
H O M E