List of military aircraft of the United States

This list of military aircraft of the United States includes prototype, pre-production and operational types. For aircraft currently in service, see the List of active United States military aircraft. Prototypes are normally prefixed with "X" and often unnamed (note that these are not the same as the experimental X-planes, which are not generally expected to go into production), while pre-production models are usually prefixed "Y".

The United States Air Force currently employs a designation and naming system to identify all aircraft type with distinct names. Until 1962, both the Army and Air Force maintained one system, while the United States Navy maintained a separate bagatar system. In 1962, these were unified into a single system heavily reflecting the Army/Air Force method. For more complete information on the workings of this system, refer to United States Department of Defense Aerospace Vehicle Designations.

This list does not include aircraft designated under the pre-1962 United States Navy designation system. For these aircraft, see List of military aircraft of the United States (naval).

Prior to 1919

Army Signal Corps, August 2, 1909 to April 6, 1917

American-Built Airplanes of World War I, April 6, 1917 to November 11, 1918

American Expeditionary Force (A.E.F.) aircraft from the French Government

Dorand A.R.1 - French Army Aircraft Establishment
Dorand A.R.2 - French Army Aircraft Establishment
Breguet 14 - Breguet Aviation
Caudron G.3 - Caudron
Caudron G.4 - Caudron
Caudron R.11 - Caudron
Farman 40 - Farman
Farman 50 - Farman
Morane MS-12 - Morane-Saulnier
Morane 30 - Morane-Saulnier
Morane 21 - Morane-Saulnier
Nieuport 17 - Nieuport
Nieuport 21 - Nieuport
Nieuport 23 - Nieuport
Nieuport 24 - Nieuport
Nieuport 24bis - Nieuport
Nieuport 27 - Nieuport
Nieuport 28 - Nieuport
Nieuport 80 - Nieuport
Nieuport 81 - Nieuport
Nieuport 83 - Nieuport
Salmson 2A2 - Salmson
Sopwith 1A2 - Sopwith Aviation Company
SPAD S.VII - Société Pour L'Aviation et ses Dérivés
SPAD S.XI - Société Pour L'Aviation et ses Dérivés
SPAD S.XII - Société Pour L'Aviation et ses Dérivés
SPAD S.XIII - Société Pour L'Aviation et ses Dérivés
SPAD S.XVI - Société Pour L'Aviation et ses Dérivés
Voisin 8 - Compagnie Gabriel Voisin
Voisin 10 - Compagnie Gabriel Voisin

American Expeditionary Force (A.E.F.) aircraft from the British Government

American Expeditionary Force (A.E.F.) aircraft from the Italian Government

Post-War, November 11, 1918 to September 1919

Army Air Service, 1919-1924

Prior to 1919, all planes flown by the Army Air Service were referred to by the designation given to them by their manufacturer. In September 1919, the Army Air Service decided that it needed some organized designation sequence, and adopted fifteen classifications, designated by roman numerals. Several other unnumbered designations were added later. Each designation was assigned an abbreviation, and each design a number within that abbreviation. Variants were designated by alphabetically appending letters to the design number.

Type O: Foreign-Built Pursuit Aircraft

Fokker D.VII - Fokker
Fokker D.VIII - Fokker

Type I: Pursuit, water-cooled

PW-1 - Engineering Division
PW-2 - Loening
PW-3 - Orenco
PW-4 - Gallaudet
PW-5 - Fokker
PW-6 - Fokker
PW-7 - Fokker
PW-8 - Curtiss
PW-9 - Boeing

Type V: Two-seat pursuit

TP-1 - Engineering Division

Type VI: Ground attack, 1920-1922

GA-1 - Boeing
GA-2 - Boeing

Type VII: Infantry liaison

IL-1 - Orenco

Type VIII: Night observation

XNO-1 - Douglas
XNO-2 - Douglas

Type IX: Artillery observation

AO-1 - Atlantic

Type X: Corps observation

CO-1 - Engineering Division
CO-2 - Engineering Division
CO-3 - Engineering Division
CO-4 - Atlantic
XCO-5 - Atlantic
XCO-6 - Engineering Division
XCO-7 - Boeing
XCO-8 - Atlantic

Type XI: Day bombardment

DB-1 - Gallaudet

Type XII: Night bombardment, short range

NBS-1 - Martin (originally designated MB-2)
XNBS-2 - Lowe-Willard-Fowler
XNBS-3 - Elias
XNBS-4 - Curtiss

Type XIII: Night bombardment, long range

XNBL-1 - Witteman-Lewis
XNBL-2 - Martin

Type XIV: Trainer, air-cooled

TA-1 - Elias
TA-2 - Huff-Daland
TA-3 - Dayton-Wright Aircraft
TA-4 - Engineering Division (project - not built)
TA-5 - Dayton-Wright Aircraft
TA-6 - Huff-Daland

Type XV: Trainer, water-cooled

Ambulance, 1919-1924

XA-1 - Cox-Klemin
A-2 - Fokker

Messenger

M-1 - Engineering Division/Sperry

Pursuit, special

XPS-1 - Dayton-Wright

Racer

R-1 - Verville
R-2 - Thomas Morse
R-3 - Verville-Sperry
R-4 - Loening
R-5 - Thomas Morse
R-6 - Curtiss
R-7 - Engineering Division
R-8 - Curtiss

Seaplane

S-1 - Loening

Transport

Army Air Corps/Army Air Forces/Air Force 1924-1962

Attack, 1924-1948

A-1 - skipped to prevent confusion with Cox-Klemin XA-1
XA-2 - Douglas
A-3 - Curtiss
A-4 - Curtiss
A-5 - Curtiss
A-6 - Curtiss
XA-7 - Fokker
A-8 - Curtiss
XA-9 - Lockheed
YA-10 Shrike - Curtiss
XA-11 - Consolidated
A-12 Shrike - Curtiss
YA-13 - Northrop
YA-14 - Curtiss
XA-15 - Martin
XA-16 - Northrop
A-17 - Northrop
A-18 Shrike - Curtiss
A-19 - Vultee
A-20 Havoc - Douglas (redesignated B-20 in 1948)
XA-21 - Stearman
A-22 Maryland - Martin
A-23 Baltimore - Martin
A-24 Banshee - Douglas (redesignated F-24 in 1948)
A-25 Shrike - Curtiss
A-26 Invader - Douglas (redesignated B-26 in 1948, then A-26 in 1966)
A-27 - North American
A-28 Hudson - Lockheed
A-29 Hudson - Lockheed
A-30 Baltimore - Martin
A-31 Vengeance - Vultee
A-32 - Brewster
A-33 - Northrop
A-34 - Brewster
A-35 Vengeance - Vultee
A-36 - North American
XA-37 - Hughes
XA-38 Grizzly - Beechcraft
XA-39 - Kaiser-Fleetwings
A-40 - Curtiss
A-41 - Vultee
XA-42 Mixmaster - Douglas
XA-43 Blackhawk - Curtiss-Wright
XA-44 - Consolidated
XA-45 - Martin

Bomber

Until 1926, the Army Air Service had three sequences for bombers. Light bombers were indicated by the LB- prefix, medium bombers by the B- prefix, and heavy bombers by the HB- prefix. In 1926, the three-category system was scrapped and all bombers subsequently built were placed in the B- sequence.

Light Bomber, 1924-1926

LB-1 - Huff-Daland (later Keystone)
LB-2 - Atlantic Aircraft Corporation (Fokker Aircraft Corp after 1925)
XLB-3 - Keystone
XLB-4 - Martin
LB-5 - Keystone
LB-6 - Keystone
LB-7 - Keystone
LB-8 - Keystone
LB-9 - Keystone
LB-10 - Keystone
LB-11 - Keystone
XLB-12 - Keystone
LB-13 - Keystone
LB-14 - Keystone

Medium Bomber, 1924-1926

XB-1 - Huff-Daland
B-2 Condor - Curtiss

Heavy Bomber, 1924-1926

XHB-1 - Huff-Daland
XHB-2 - Atlantic Aircraft Corporation (Fokker Aircraft Corp after 1925)
XHB-3 - Huff-Daland

Unified bomber sequence, 1926-1962

B-26 Invader - designation of A-26 Invader from 1948 to 1966

XB-27 - Martin
XB-28 Dragon - North American
B-29 Superfortress - Boeing
XB-30 - Lockheed
XB-31 - Douglas
B-32 Dominator - Consolidated
B-33 Super Marauder - Martin
B-34 Lexington - Lockheed
YB-35 - Northrop
B-36 Peacemaker - Convair
B-37 - Lockheed
XB-38 Flying Fortress - Boeing
XB-39 Superfortress - Boeing
YB-40 Flying Fortress - Boeing
XB-41 Liberator - Consolidated
XB-42 Mixmaster - Douglas
XB-43 Jetmaster - Douglas
XB-44 Superfortress - Boeing
B-45 Tornado - North American
XB-46 - Convair
B-47 Stratojet - Boeing
XB-48 - Martin
YB-49 - Northrop
B-50 Superfortress - Boeing
XB-51 - Martin
B-52 Stratofortress - Boeing
XB-53 - Convair
B-54 - Boeing
XB-55 - Boeing
B-56 - Boeing
B-57 - Martin
B-58 Hustler - Convair
XB-59 - Boeing
YB-60 - Convair
B-61 Matador - Martin (later redesignated TM-61, TM- denoting "tactical missile", and later MGM-1 under unified missile sequence)
B-62 Snark - Northrop (later redesignated SM-62, SM- denoting "strategic missile")
B-63 RASCAL - Bell (later redesignated GAM-63)
B-64 Navaho - North American (later redesignated SM-64)
B-65 Atlas - Convair (later redesignated SM-65)
B-66 Destroyer - Douglas
B-67 Crossbow - Radioplane (later redesignated GAM-67)
XB-68 - Martin
RB-69 - Lockheed
XB-70 Valkyrie - North American
SR-71 Blackbird - Lockheed; SR- denotes "strategic reconnaissance"

Bomber, long range, 1935-1936

A short-lived designation used from 1935-1936 to refer to three long-range bomber projects commissioned by the Army Air Corps.

XBLR-1 - Boeing (later redesignated XB-15)
XBLR-2 - Douglas (later redesignated XB-19)
XBLR-3 - Sikorsky

Missiles

Beginning with #68, the M- (missile) and B- (bomber) series diverged. The following missiles, some of which are incorrectly labeled as "formerly designated B-xx" in some sources, never used a B-series designation.

SM-68 Titan - Martin (redesignated LGM-25 under unified missile sequence)
IM-69 Bomarc - Boeing (later redesignated IM-99, then CIM-10 under unified missile sequence)
IM-70 Talos - Bendix (redesignated RIM-8 under unified missile sequence)
XGAM-71 Buck Duck - Convair
GAM-72 Quail - McDonnell (redesignated ADM-20 under unified missile sequence)
XSM-73 Goose - Fairchild

XSM-74 - designation reserved for Convair MX-2223 design, but never formally approved

SM-75 Thor - Douglas (redesignated PGM-17 under unified missile sequence)
TM-76 Mace - Martin (redesignated MGM-13 under unified missile sequence)
GAM-77 Hound Dog - North American (redesignated AGM-28 under unified missile sequence)
SM-78 Jupiter - Chrysler (redesignated PGM-19 under unified missile sequence)
GAM-79 White Lance - Martin
SM-80 Minuteman - Boeing (redesignated LGM-30 under unified missile sequence)
RM-81 Agena - Lockheed
XRM-82 Loki - Bendix (redesignated PWN-1 under unified missile sequence)
GAM-83 Bullpup - Martin (redesignated AGM-12 under unified missile sequence)
XRM-84 Aerobee-hi - Aerojet General (redesignated PWN-2 under unified missile sequence)
XRM-85 Nike-Cajun (redesignated PWN-3 under unified missile sequence)
XRM-86 Exos (redesignated PWN-4 under unified missile sequence)
GAM-87 Skybolt - Douglas (redesignated AGM-48 under unified missile sequence)
SRM-88 - Cooper (redesignated PWN-5 under unified missile sequence)
XRM-89 Blue Scout 1 - Ford
XRM-90 Blue Scout 2 - Ford
XRM-91 Blue Scout Junior - Ford
XRM-92 Air Force Scout - Ford

Cargo, 1924-1962

C-1 - Douglas
C-2 - Fokker
C-3 - Ford
C-4 - Ford
C-5 - Fokker
C-6 - Sikorsky
C-7 - Fokker
C-8 - Fairchild
C-9 - Ford
C-10 Robin - Curtiss-Wright
C-11 Fleetster - Consolidated
C-12 Vega - Lockheed

C-13 - skipped

C-14 - Fokker
C-15 - Fokker
C-16 - Fokker
C-17 Super Vega - Lockheed
C-18 Monomail - Boeing
C-19 Alpha - Northrop
C-20 - Fokker
C-21 Dolphin - Douglas
C-22 Fleetster - Consolidated
C-23 Altair - Lockheed
Y1C-24 - American
C-25 Altair - Lockheed
C-26 Dolphin - Douglas
C-27 Airbus - Bellanca
C-28 - Sikorsky
C-29 Dolphin - Douglas
C-30 Condor - Curtiss-Wright
C-31 - Kreider-Reisner
C-32 - Douglas
C-33 - Douglas
C-34 - Douglas
XC-35 Electra - Lockheed
C-36 Electra - Lockheed
C-37 Electra - Lockheed
C-38 - Douglas
C-39 - Douglas
C-40 Electra - Lockheed
C-41 - Douglas
C-42 - Douglas
C-43 Traveller - Beechcraft
XC-44 - Messerschmitt
C-45 Expeditor - Beechcraft
C-46 Commando - Curtiss-Wright
C-47 Skytrain - Douglas
C-48 Skytrain - Douglas
C-49 Skytrain - Douglas
C-50 Skytrain - Douglas
C-51 Skytrain - Douglas
C-52 Skytrain - Douglas
C-53 Skytrooper - Douglas
C-54 Skymaster - Douglas
C-55 Commando - Curtiss-Wright
C-56 Lodestar - Lockheed
C-57 Lodestar - Lockheed
C-58 Bolo - Douglas
C-59 Lodestar - Lockheed
C-60 Lodestar - Lockheed
C-61 Forwarder - Fairchild
C-62 - Waco
C-63 Hudson - Lockheed
C-64 Norseman - Noorduyn
C-65 Skycar - Stout
C-66 Lodestar - Lockheed
C-67 Dragon - Douglas
C-68 - Douglas
C-69 Constellation - Lockheed
C-70 Nightingale - Howard
C-71 Executive - Spartan
C-72 - Waco
C-73 - Boeing
C-74 Globemaster - Douglas
C-75 - Boeing
C-76 Caravan - Curtiss-Wright
C-77 - Cessna
C-78 Bobcat - Cessna
C-79 - Junkers
C-80 - Harlow
C-81 Reliant - Stinson
C-82 Packet - Fairchild
C-83 Coupe - Piper
C-84 - Douglas
C-85 Orion - Lockheed
C-86 Forwarder - Fairchild
C-87 Liberator Express - Consolidated
C-88 - Fairchild
C-89 - Hamilton
C-90 - Luscombe
C-91 - Stinson
C-92 - Akron-Funk
C-93 Conestoga - Budd
C-94 - Cessna
C-95 Grasshopper - Taylorcraft
C-96 - Fairchild
C-97 Stratofreighter - Boeing
C-98 Clipper - Boeing
XC-99 - Convair
C-100 Gamma - Northrop
C-101 Vega - Lockheed
C-102 Speedster - Rearwin
C-103 - Grumman
C-104 - Lockheed
XC-105 - Boeing
C-106 - Cessna
C-107 Skycar - Stout
C-108 Flying Fortress - Boeing
C-109 Liberator Express - Consolidated
C-110 - Douglas
C-111 Super Electra - Lockheed
XC-112 - Douglas
C-113 Commando - Curtiss-Wright
C-114 Skymaster - Douglas
C-115 Skymaster - Douglas
C-116 Skymaster - Douglas
C-117 Super Skytrain - Douglas
C-118 Liftmaster - Douglas
C-119 Flying Boxcar - Fairchild
C-120 Packplane - Fairchild
C-121 Constellation - Lockheed
C-122 - Fairchild
C-123 Provider - Fairchild
C-124 Globemaster II - Douglas
C-125 Raider - Northrop
C-126 - Cessna
C-127 - Boeing
C-128 Flying Boxcar - Fairchild
C-129 Super Skytrain - Douglas
C-130 Hercules - Lockheed
C-131 Samaritan - Convair
C-132 - Douglas
C-133 Cargomaster - Douglas
YC-134 - Stroukoff
C-135 Stratotanker - Boeing
YC-136 - Fairchild
C-137 Stratoliner - Boeing

C-138 - reserved for Fokker F27, but never assigned

C-139 - Lockheed
C-140 Jetstar - Lockheed
C-141 Starlifter - Lockheed
XC-142 - Vought

C-143 - reserved for what would become the X-19, but never officially assigned

After 2005, several planes were added to this sequence.

C-143 - Bombardier
C-144 - CASA

Drone

Aerial Target

1940-1941

A-1 - Fleetwings
A-2 - Radioplane
A-3 - Curtiss
A-4 - Douglas
A-5 - Boeing
A-6 - Douglas
A-7 Airacobra - Bell
A-8 Cadet - Culver

1942-1948

PQ-8 Cadet - Culver
PQ-9 - Culver
PQ-10 - Culver
PQ-11 - Fletcher
PQ-12 - Fleetwings
PQ-13 - ERCO
PQ-14 - Culver
PQ-15 - Culver

Aerial Target (Model Airplane), 1942-1948

OQ-2 - Radioplane
OQ-3 - Radioplane/Frankfort
OQ-4 - Brunswick-Balke-Collender
OQ-5
OQ-6 - Radioplane
OQ-7 - Radioplane
OQ-11 - Simmonds Aerocessories
OQ-12 - Radioplane
OQ-13 - Radioplane
OQ-14 - Radioplane/Frankfort
OQ-16
OQ-17 - Radioplane
OQ-18
OQ-19 - Radioplane

Controllable bomb, 1942-1945

BQ-1 - Fleetwings
BQ-2 - Kaiser-Fleetwings
BQ-3 - Fairchild
BQ-4 - Interstate
BQ-5 - Interstate
BQ-6 - Interstate
BQ-7 Aphrodite - Boeing
BQ-8 Liberator - Consolidated

Target Control, 1942-1948

CQ-1 - Fletcher
CQ-2 - Stinson
CQ-3 Expeditor - Beech
CQ-4 Flying Fortress - Boeing

Unified sequence, 1948-1962

Q-1 - Radioplane
Q-2 Firebee - Ryan
Q-3 - Radioplane
Q-4 - Radioplane/Bendix
Q-5 Kingfisher - Lockheed
Q-6

Q-7 - skipped: request for redesignated QB-17 not approved
Q-8 - skipped: request for redesignated QF-80 not approved

Q-8 Cadet Culver
Q-9
Q-10 - Radioplane

Q-11 - skipped

Q-12 Challenger - Beech
Q-14 Cadet - Culver

Electronic (modified aircraft)

Glider

Assault Glider, 1942-1944

AG-1 - Christopher
AG-2 - Timm

Bomb Glider, 1942-1944

BG-1 - Fletcher
BG-2 - Fletcher
BG-3 - Cornelius

Cargo Glider, 1941-1948

CG-1 - Frankfort
CG-2 - Frankfort
CG-3 - Waco
CG-4 Haig - Waco
CG-5 - St. Louis
CG-6 - St. Louis
CG-7 - Bowlus/Douglas
CG-8 - Bowlus/Douglas
CG-9 - AGA Aviation
CG-10 Trojan Horse - Laister-Kauffman
CG-11 - Snead
CG-12 - Read-York
CG-13 - Waco
CG-14 - Chase
CG-15 Hadrian - Waco
CG-16 - General Airborne Transport
CG-17 - Douglas
CG-18 - Chase
CG-19 - Douglas
CG-20 - Chase

British-Built Cargo Gliders, 1941-1948

Airspeed Horsa - Airspeed Ltd

Fuel Glider, 1930-1948

FG-1 - Cornelius

Powered Glider, 1943-1948

PG-1 - Northwestern
PG-2 - Ridgefield
PG-3 - Waco

Training Glider, 1941-1948

TG-1 - Frankfort
TG-2 - Schweizer
TG-3 - Schweizer
TG-4 - Laister-Kauffman
TG-5 Grasshopper - Aeronca
TG-6 Grasshopper - Taylorcraft
TG-7 Orlik - SZD
TG-8 Grasshopper - Piper
TG-9 - Briegleb
TG-10 - Wichita Engineering
TG-11 - Schempger
TG-12 - Bowlus
TG-13 - Briegleb
TG-14 - Stiglemeier
TG-15 - Franklin
TG-16 - A.B.C.
TG-17 - Franklin
TG-18 - Midwest
TG-19 - Schweyer
TG-20 - Laister-Kauffman
TG-21 - Notre Dame
TG-22 - Melrose
TG-23 - Harper-Corcoran
TG-24 - Bowlus-Dupont
TG-25 - Plover
TG-26 - Universal
TG-27 - Grunau
TG-28 - Haller
TG-29 - Volmer Jensen
TG-30 Bluebird - Smith
TG-31 - Aero Industries
TG-32 - Pratt-Read
TG-33 - Aeronca

Unified sequence, 1948-1955

G-2 - Ridgefield
G-3 - Waco
G-4 Haig - Waco
G-10 Trojan Horse - Laister-Kauffman
G-13 - Waco
G-14 - Chase
G-15 Hadrian - Waco
G-18 - Chase
G-20 - Chase

Sailplane, 1960-1962

S-1 - Schweizer
S-2 - Schweizer

Gyroplane, 1935-1939

G-1 - Kellett
G-2 - Pitcairn

Pursuit, 1924-1948/Fighter, 1948-1962

Designated P- for "pursuit" until 1948, when the United States Air Force was founded. After this, all P- designations were changed to F- ("fighter"), but the original numbers were retained.

P-1 Hawk - Curtiss
P-2 Hawk - Curtiss
P-3 Hawk - Curtiss
XP-4 - Boeing
P-5 Hawk - Curtiss
P-6 Hawk - Curtiss
XP-7 - Boeing
XP-8 - Boeing
XP-9 - Boeing
XP-10 - Curtiss
P-11 Hawk - Curtiss
P-12 - Boeing
XP-13 Viper - Thomas-Morse
XP-14 - Curtiss
XP-15 - Boeing
P-16 - Berliner-Joyce
XP-17 Hawk - Curtiss
Curtiss XP-18 (paper project only)
Curtiss XP-19 (paper project only)
YP-20 - Curtiss
XP-21 - Curtiss
XP-22 Hawk - Curtiss
XP-23 Hawk - Curtiss
YP-24 - Lockheed
Y1P-25 - Consolidated
P-26 Peashooter - Boeing
YP-27 - Consolidated
Y1P-28 - Consolidated
YP-29 - Boeing
P-30 - Consolidated
XP-31 - Curtiss
XP-32 - Boeing
XP-33 - Consolidated
XP-34 - Wedell-Williams
P-35 - Seversky
P-36 Hawk - Curtiss
XP-37 - Curtiss
P-38 Lightning - Lockheed
P-39 Airacobra - Bell
P-40 - Curtiss
XP-41 - Seversky
XP-42 - Curtiss
P-43 Lancer - Republic
P-44 Rocket - Republic
XP-45 - Bell
XP-46 - Curtiss
P-47 Thunderbolt - Republic
XP-48 - Douglas
XP-49 - Lockheed
XP-50 - Grumman
P-51 Mustang - North American
XP-52 - Bell
XP-53 - Curtiss
XP-54 Swoose Goose - Vultee
XP-55 Ascender - Curtiss
XP-56 Black Bullet - Northrop
XP-57 - Tucker
XP-58 Chain Lightning - Lockheed
P-59 Airacomet - Bell
YP-60 - Curtiss
P-61 Black Widow - Northrop
XP-62 - Curtiss
P-63 Kingcobra - Bell
P-64 - North American
XP-65 - Grumman
P-66 Vanguard - Vultee
XP-67 Bat - McDonnell
XP-68 Tornado - Vultee
XP-69 - Republic
P-70 - Douglas
XP-71 - Curtiss
XP-72 - Republic
XP-73 - Hughes (officially never assigned)

P-74 - skipped

P-75 Eagle - Fisher
XP-76 - Bell
XP-77 - Bell
XP-78 - North American
XP-79 Flying Ram - Northrop
P-80/F-80 Shooting Star - Lockheed
XP-81 - Convair
F-82 Twin Mustang - North American
XP-83 - Bell
P-84/F-84 Thunderjet - Republic
XP-85/XF-85 Goblin - McDonnell
F-86 Sabre - North American
XP-87/XF-87 Blackhawk - Curtiss
XP-88/XF-88 Voodoo - McDonnell
F-89 Scorpion - Northrop
XF-90 - Lockheed
XF-91 Thunderceptor - Republic
XF-92A - Convair
YF-93A - North American
F-94 Starfire - Lockheed
YF-95A - North American
YF-96A - Republic
F-97 Starfire - Lockheed
XF-98 - Hughes (later redesignated GAR-1, then AIM-4 in unified missile sequence)
F-99 BOMARC - Boeing (later redesignated IM-99, then CIM-10 in unified missile sequence)
F-100 Super Sabre - North American
F-101 Voodoo - McDonnell
F-102 Delta Dagger - Convair
XF-103 - Republic
F-104 Starfighter - Lockheed
F-105 Thunderchief - Republic
F-106 Delta Dart - Convair
F-107 - North American
XF-108 Rapier - North American

F-109 - temporarily reserved for what would become the F-101B, but never officially assigned
YF-109 - designation requested for Bell D-188A, but never officially assigned

F-110 Spectre - McDonnell Douglas (redesignated F-4 Phantom II in 1962)
F-111 Aardvark - General Dynamics

Unofficial designations YF-112 and up were later assigned to "black" projects - see Fighter series in Unified System.

F-117 Nighthawk - Lockheed

Fighter, Multiplace

YFM-1 Airacuda - Bell

Pursuit, Biplace

PB-1 - Berliner-Joyce
PB-2 - Consolidated

Pursuit, British-built

Observation

Observation, 1924-1942

O-1 Falcon - Curtiss
O-2 - Douglas
XO-3 Mohawk - Dayton-Wright
XO-4 - Martin
O-5 - Douglas
O-6 - Thomas-Morse
O-7 - Douglas
O-8 - Douglas
O-9 - Douglas
XO-10 - Loening
O-11 Falcon - Curtiss
O-12 Falcon - Curtiss
O-13 Falcon - Curtiss
XO-14 - Douglas
XO-15 - Keystone
XO-16 Falcon - Curtiss
XO-17 Courier - Consolidated
XO-18 Falcon - Curtiss
O-19 - Thomas-Morse
YO-20 - Thomas-Morse
XO-21 - Thomas-Morse
O-22 - Douglas
YO-23 - Thomas-Morse
O-24 - Curtiss
O-25 - Douglas
Y1O-26 - Curtiss
Y1O-27 - Fokker
O-28 Corsair - Vought
O-29 - Douglas
O-30 - Curtiss
O-31 - Douglas
O-32 - Douglas
Y1O-33 - Thomas-Morse
O-34 - Douglas
O-35 - Douglas
XO-36 - Douglas
O-37 - Keystone
O-38 - Douglas
O-39 Falcon - Curtiss
O-40 Raven - Curtiss
Y1O-41 - Thomas-Morse
O-42 - Douglas
Y1O-43 - Douglas
XO-44 - Douglas
O-45 - Martin
O-46 - Douglas
O-47 - North American
XO-48 - Douglas
O-49 Vigilant - Stinson (redesignated L-1 in 1942)
YO-50 - Bellanca
YO-51 Dragonfly - Ryan
O-52 Owl - Curtiss
O-53 Havoc - Douglas
YO-54 - Stinson
YO-55 - ERCO
O-56 Ventura - Lockheed
O-57 Grasshopper - Taylorcraft (redesignated L-2 in 1942)
O-58 Grasshopper - Aeronca (redesignated L-3 in 1942)
O-59 Grasshopper - Piper (redesignated L-4 in 1942)
O-60 - Kellett
YO-61 - Pitcairn
O-62 Sentinel - Stinson (redesignated L-5 in 1942)
XO-63 Grasshopper - Interstate (redesignated XL-6 in 1942)

Observation amphibian, 1925-1948

OA-1 - Loening
OA-2 - Loening
OA-3 Dolphin - Douglas
OA-4 Dolphin - Douglas
OA-5 - Douglas
OA-6 - Consolidated
OA-7 - Douglas
OA-8 - Sikorsky
OA-9 Goose - Grumman
OA-10 Catalina - Consolidated
OA-11 - Sikorsky
OA-12 Duck - Grumman
OA-13 Goose - Grumman
OA-14 Widgeon - Grumman
OA-15 Seabee - Republic

Liaison, 1942-1962

Reconnaissance

Photographic reconnaissance, 1930-1948 / Reconnaissance, 1948-1962

F-1 - Fairchild
F-2 Expeditor - Beechcraft
F-3 Havoc - Douglas
F-4 Lightning - Lockheed
F-5 Lightning - Lockheed
F-6 Mustang - North American
F-7 Liberator - Consolidated
F-8 Mosquito - de Havilland
F-9 Flying Fortress - Boeing
F-10 Mitchell - North American
XF-11/XR-11 - Hughes (redesignated XR-11 in 1948)
XF-12/XR-12 Rainbow - Republic (redesignated XR-12 in 1948)
F-13 Superfortress - Boeing
XF-14 Shooting Star - Lockheed
F-15 Reporter - Northrop
XR-16 Stratofortress - Boeing

Reconnaissance-strike, 1960-1962

Both of the following aircraft are part of the B- (bomber) series.

Rotary Wing, 1941-1948/Helicopter 1948-present

Designated R- for "rotary wing" until 1948, when the United States Air Force was founded. After this, all R- designations were changed to H- ("helicopter"), but the original numbers were retained. After 1962, the series was continued within the Unified Designation System.

R-1 - Platt-LePage
R-2 - Kellett
R-3 - Kellett
R-4 Hoverfly - Sikorsky
R-5/H-5 Dragonfly - Sikorsky
R-6 Hoverfly II - Sikorsky
R-7 - Sikorsky
XR-8 Kellett
R-9/H-9 - Firestone
R-10/H-10 - Kellett
R-11/H-11 - Rotorcraft
R-12/H-12 - Bell
R-13/H-13 Sioux - Bell
R-14 - Firestone
R-15/H-15 - Bell
R-16/H-16 - Piasecki
XR-17/XH-17 - Hughes/Kellett
YH-18 - Sikorsky
H-19 - Sikorsky
XH-20 - McDonnell
H-21 - Piasecki
YH-22 - Kaman
OH-23 Raven - Hiller
YH-24 - Seibel
H-25 - Piasecki
XH-26 Jet Jeep - American Helicopter
YH-27 Transporter - Piasecki
XH-28 - Hughes
H-29 - McDonnell
YH-30 - McCulloch
YH-31 - Doman
YH-32 - Hiller
XH-33 - Bell (redesignated XV-3 in 1952)
H-34 Choctaw - Sikorsky
XH-35 - McDonnell (redesignated XV-1 in 1952)

H-36 - reserved for secret project LONG EARS

H-37 Mojave - Sikorsky

H-38 - reserved for secret project SHORT TAIL

XH-39 - Sikorsky
XH-40 - Bell
YH-41 Seneca - Cessna
XH-42 - Hughes
H-43 Huskie - Kaman

H-44 - reserved for secret project BIG TOM
H-45 - reserved for secret project STEP CHILD

H-46 Sea Knight - Boeing Vertol
H-47 Chinook - Boeing Vertol
XH-48 - Bell (redesignated UH-1F)
XH-49 - Boeing Vertol (redesignated XCH-46B)
H-50 DASH - Gyrodyne
XH-51 - Lockheed
H-52 Sea Guard - Sikorsky
H-53 - Sikorsky
H-54 Tarhe - Sikorsky
H-55 Osage - Hughes
H-56 Cheyenne - Lockheed
H-57 Sea Ranger - Bell
H-58 Kiowa - Bell
XH-59 - Sikorsky
H-60 Black Hawk - Sikorsky
YH-61 - Boeing Vertol
XH-62 - Boeing Vertol
YH-63 Kingcobra - Bell
H-64 Apache - Hughes
H-65 Dolphin - Aérospatiale
H-66 Comanche - Boeing/Sikorsky
H-67 Creek - Bell
H-68 Stingray - Agusta

H-69 - skipped

H-70 - Bell
H-71 Kestrel - Lockheed Martin
H-72 Lakota - Eurocopter

Supersonic/special test, 1946-1948

The series was continued as the X (Experimental) series after 1948 - see X-series in Unified System.

Trainer

Advanced Trainer, 1925-1948

Basic Combat, 1936-1940

BC-1 - North American
BC-2 - North American
BC-3 - Vultee

Superseded by Advanced Trainer (AT-).

Basic Trainer, 1930-1948

BT-1 - Douglas
BT-2 - Douglas
YBT-3 - Stearman
XBT-4 - Curtiss
YBT-5 - Stearman
BT-6 - Consolidated
Y1BT-7 - Consolidated
BT-8 - Seversky
BT-9 - North American
Y1BT-10 - North American
BT-11 - Aircraft Research
BT-12 - Fleetwings
BT-13 Valiant - Vultee
BT-14 - North American
BT-15 Valiant - Vultee
XBT-16 Valiant - Vultee
XBT-17 - Boeing

Primary Trainer, 1925-1948

PT-1 Trusty - Consolidated
XPT-2 Trusty - Consolidated
PT-3 Trusty - Consolidated
PT-4 Trusty - Consolidated
XPT-5 Trusty - Consolidated
YPT-6 - Consolidated
YPT-7 Pinto - Mohawk
XPT-8 - Consolidated
YPT-9 - Stearman
YPT-10 - Verville
PT-11 - Consolidated
PT-12 - Consolidated
PT-13 Kaydet - Boeing
PT-14 - Waco
YPT-15 - St. Louis
PT-16 - Ryan
PT-17 Kaydet - Boeing
PT-18 Kaydet - Boeing
PT-19 Cornell - Fairchild
PT-20 - Ryan
PT-21 Recruit - Ryan
PT-22 Recruit - Ryan
PT-23 Cornell - Fairchild
PT-24 Moth - de Havilland
YPT-25 - Ryan
PT-26 Cornell - Fairchild
PT-27 Kaydet - Boeing

Foreign-Built Training and Communications Aircraft, 1925-1948

Unified sequence, 1948-present

The AT-6 Texan, AT-7 Navigator, and AT-11 Kansan, were retroactively given T- designations. The new sequence began at 28, one number higher than the PT- sequence had reached.

T-6 Texan - North American
T-7 Navigator - Beechcraft
T-11 Kansan - Beechcraft
T-28 Trojan - North American
T-29 Flying Classroom - Convair
XT-30 - Douglas
XT-31 - Fairchild
XT-32 - Convair
T-33 Shooting Star - Lockheed
T-34 Mentor - Beechcraft
T-35 Buckaroo - Temco
XT-36 Mentor - Beechcraft/Canadair
T-37 Tweet - Cessna
T-38 Talon - Northrop
T-39 Sabreliner - North American
T-40 Jet Star - Lockheed
T-41 Mescalero - Cessna
T-42 Cochise - Beechcraft
T-43 - Boeing
T-44 Pegasus - Beechcraft
T-45 Goshawk - McDonnell Douglas
T-46 - Fairchild
T-47 - Cessna
T-48 - Cessna
T-49 - Boeing
T-50 Golden Eagle - Korean Aerospace Industries (none have actually been procured by the United States)
T-51 - Cessna

Convertiplane, 1952-1962

Army, 1956-1962

Airplane, Cargo, 1956-1962

AC-1 Caribou - de Havilland Canada (redesignated CV-2 in 1962 and C-7 in 1967)
AC-2 Buffalo - de Havilland Canada (redesignated CV-7 in 1962 and C-8 in 1967)

Airplane, Observation, 1956-1962

AO-1 Mohawk - Grumman (redesignated OV-1 in 1962)
AO-2 - Goodyear
AO-3 - Goodyear

Airplane, Research, 1956-1962

AZ-1 Marvelette - Mississippi State University

Flying Platform, 1955-1956

HO-1 Pawnee - Hiller (redesignated VZ-1 in 1956)
HO-2 - De Lackner (redesignated HZ-1 in 1956)

Helicopter, Cargo, 1956-1962

HC-1 - Boeing Vertol

HC-1A (redesignated CH-46C in 1962)
HC-1B (redesignated CH-47A in 1962)

Helicopter, Observation, 1956-1962

HO-1 - Sud-Ouest
HO-2 - Hughes Aircraft
HO-3 - Brantly
HO-4 - Bell (redesignated OH-4A in 1962)
HO-5 - Fairchild Hiller (redesignated OH-5A in 1962)
HO-6 - Hughes (redesignated OH-6A in 1962)

Helicopter, Utility, 1956-1962

HU-1 Iroquois - Bell (redesignated UH-1 in 1962)

Helicopter, Experimental, 1956-1962

HZ-1 - De Lackner

Vertical Takeoff and Landing Research, 1956-1962

VZ-1 Pawnee - Hiller
VZ-2 - Boeing Vertol
VZ-3 Vertiplane - Ryan
VZ-4 Convertiplane - Doak
VZ-5 Fledgling - Fairchild
VZ-6 - Chrysler
VZ-7 - Curtiss-Wright
VZ-8 Airgeep - Piasecki
VZ-9 - Avro Canada
VZ-10 Hummingbird - Lockheed (redesignated XV-4 in 1962)
VZ-11 Vertifan - Ryan (redesignated XV-5 in 1962)
VZ-12 Kestrel - Hawker Siddeley (redesignated XV-6 in 1962)

Unified System, 1962-present

Airship

Anti-Submarine Warfare

Anti-Submarine Warfare Helicopter

Attack

A-1 Skyraider - Douglas (formerly designated AD)
A-2 Savage - North American (formerly designated AJ)
A-3 Skywarrior - Douglas (formerly designated A3D)
A-4 Skyhawk - McDonnell Douglas (formerly designated A4D)
A-5 Vigilante - North American (formerly designated A3J)
A-6 Intruder - Grumman (formerly designated A2F)
A-7 Corsair II - Vought

A-8 - skipped to avoid confusion with the AV-8 Harrier II

YA-9 - Northrop
A-10 Thunderbolt II - Republic
A-11 -

applied to the prototype SR-71 Blackbird
allegedly assigned to the secret A-11 Astra.

A-12 Avenger II - McDonnell Douglas/General Dynamics
A-26 Invader - Douglas (redesignated from B-26 in 1966)
A-37 Dragonfly - Cessna (originally designated AT-37)

Attack Helicopter

Fixed-Wing Gunships

Use for attack missions is indicated by the modified mission identifier A-.

Bomber

B-1 Lancer - Rockwell
B-2 Spirit - Northrop Grumman

Cargo

C-1 Trader - Grumman
C-2 Greyhound - Grumman
C-3 - Martin
C-4 Academe - Gulfstream
C-5 Galaxy - Lockheed
C-6 - Beechcraft
C-7 Caribou - de Havilland Canada
C-8 Buffalo - de Havilland Canada
C-9 - McDonnell Douglas
KC-10 Extender - Douglas
C-11 Gulfstream II - Gulfstream
C-12 Huron - Beechcraft

C-13 - skipped

YC-14 - Boeing
YC-15 - McDonnell Douglas

C-16 - reserved for various projects, but never assigned

C-17 Globemaster III - Boeing
C-18 - Boeing
C-19 - Boeing
C-20 Gulfstream - Gulfstream
C-21 Learjet - Learjet
C-22 - Boeing
C-23 Sherpa - Short
EC-24 - Douglas
VC-25 - Boeing
C-26 Metroliner - Fairchild
C-27 Spartan - Alenia
C-28 - Cessna
C-29 - BAE Systems

C-30 - designation reserved (in 1988/89), but never assigned
KC-30 - marketing designation used for Airbus A330 MRTT

C-31 Troopship - Fokker
C-32 - Boeing
C-33 - Boeing

C-34 - skipped at U.S. Army request to avoid confusion with T-34; this aircraft became the UC-35A

C-35 Citation Ultra/Encore - Cessna

YFC-36 - designation reserved, but never assigned (aircraft was designated YAL-1 instead)

C-37 Gulfstream V - Gulfstream
C-38 Courier - Israeli Aircraft Industries

C-39 - designation changed to C-40 for unrevealed reasons

C-40 Clipper - Boeing
C-41 Aviocar - CASA

C-42 - skipped to avoid possible legal issues with trademarked name of Ikarus C-42 light sport plane
C-43 - skipped to avoid confusion with T-43
C-44 - skipped to avoid confusion with T-44

KC-45 - Replacement for the KC-135

Cargo Helicopter

Drone

Q-1 Predator - General Atomics
Q-2 Pioneer - Pioneer UAV
Q-3 Darkstar - Lockheed/Boeing
Q-4 Global Hawk - Teledyne Ryan
Q-5 Hunter - TRW/Israel Aircraft Industries
Q-6 Outrider - Alliant Techsystems
Q-7 Shadow - AAI Corporation
Q-8 Fire Scout - Northrop Grumman/Ryan
Q-9 Reaper - General Atomics
Q-10 Snow Goose - MMIST
Q-11 Raven - AeroVironment

Q-12 - designation requested for MQ-1C Warrior, but not approved
Q-13 - skipped

Q-14 Dragon Eye - AeroVironment
Q-15 Neptune - DRS Technologies

Electronic Warfare

E-1 Tracer - Grumman
E-2 Hawkeye - Grumman
E-3 Sentry - Boeing
E-4 NAOC - Boeing
E-5 - Windecker
E-6 Mercury - Boeing

E-7 - designation reserved, but never assigned (aircraft was designated EC-18 instead)

E-8 Joint STARS - Boeing
E-9 Widget - de Havilland Canada
E-10 MC2A - Boeing

Electronic Warfare (Modified Aircraft)

Experimental, 1948-present

X-1 - Bell
X-2 - Bell
X-3 Stiletto - Douglas
X-4 Bantam - Northrop
X-5 - Bell
X-6 - Convair
X-7 - Lockheed
X-8 - Aerojet
X-9 Shrike - Bell
X-10 - North American
X-11 - Convair
X-12 - Convair
X-13 Vertijet - Ryan
X-14 - Bell
X-15 - North American
X-16 - Bell
X-17 - Lockheed
X-18 - Hiller
X-19 - Curtiss-Wright
X-20 Dyna-Soar - Boeing
X-21 - Northrop
X-22 - Bell
X-23 - Martin Marietta (designation never officially assigned)
X-24 - Martin Marietta
X-25 - Bensen
X-26 Frigate - Schweizer
X-27 - Lockheed
X-28 Sea Skimmer - Pereira
X-29 - Grumman
X-30 - Rockwell
X-31 - Rockwell/Messerschmitt
X-32 - Boeing
X-33 - Lockheed Martin
X-34 - Orbital Sciences
X-35 - Lockheed Martin
X-36 - McDonnell Douglas
X-37 - Boeing
X-38 - NASA Johnson Space Center Crew Return Vehicle prototype

X-39 - reserved for Future Aircraft Technology Enhancements program but not used

X-40 - Boeing
X-41 - Classified re-entry vehicle
X-42 - Classified upper stage rocket
X-43 - Boeing
X-44 MANTA - Lockheed Martin
X-45 - Boeing
X-46 - Boeing
X-47 Pegasus - Northrop Grumman
X-48 - Boeing
X-49 - Sikorsky/Piasecki
X-50 Dragonfly - Boeing
X-51 - Boeing/USAF Research Laboratory

X-52 - skipped

X-53 - Boeing/USAF Research Laboratory

Fighter

F-1 Fury - North American (previously designated FJ)
F-2 Banshee - McDonnell (previously designated F2H)
F-3 Demon - McDonnell (previously designated F3H)
F-4 Phantom II - McDonnell Douglas (previously designated F4H)
F-5 Freedom Fighter - Northrop
F-6 Skyray - Douglas (previously designated F4D)
F-7 Sea Dart - Convair (previously designated F2Y)
F-8 Crusader - Vought (previously designated F8U)
F-9 Cougar - Grumman (previously designated F9F)
F-10 Skyknight - Douglas (previously designated F3D)
F-11 Tiger - Grumman (previously designated F11F)
YF-12 - Lockheed

F-13 - skipped

F-14 Tomcat - Grumman
F-15 Eagle - McDonnell Douglas
F-16 Fighting Falcon - General Dynamics
YF-17 Cobra - Northrop
F/A-18 Hornet - McDonnell Douglas

F-19 - officially skipped; rumored to be still classified

F-20 Tigershark - Northrop
F-21 Kfir - Israel Aircraft Industries
F-22 Raptor - Lockheed Martin
YF-23 Black Widow II - Northrop/McDonnell Douglas
YF-24 - Classified project
F-35 Lightning II - Lockheed Martin

Note: Captured foreign aircraft used for evaluation and aggressor were given designations in sequence—based on chronology—with "black" project aircraft, continuing the pre-1962 F series.

YF-110 - Designation used for captured MiG-21s
YF-112 - Allegedly used for captured MiGs
YF-113 - Designation used for captured MiG-23s and MiG-17s
YF-114 - Designation used for captured MiG-17s
F-117 Nighthawk - Lockheed
YF-117D Tacit Blue
YF-121 rumoured Black Project
The Boeing Bird of Prey is believed to have received a "YF-1xx" designation.

Glider

TG-1 - Schweizer
TG-2 - Schweizer
TG-3 - Schweizer
TG-4 - Schweizer
TG-5 - Schweizer
TG-6 - Schweizer
TG-7 - Schweizer
RG-8 Condor - Schweizer
TG-9 - Schleicher
TG-10 - Let L-13/L-23/L-33 Blaník
TG-11 - Stemme
TG-12 - Caproni Vizzola

G-13 - skipped

TG-14 - Grupo Aeromat
TG-15 - Schempp-Hirth

Helicopter

Laser

YAL-1 - Boeing

Observation

Observation Helicopter

OH-6 Cayuse - Hughes
OH-58 Kiowa - Bell

Patrol

P-1 - skipped
P-2 Neptune - Lockheed (previously designated P2V)
P-3 Orion - Lockheed (previously designated P3V)
P-4 Privateer - Consolidated Aircraft (previously designated P4Y)
P-5 Marlin - Martin (previously designated P5M)

P-6 - According to official Defense Department information, this was skipped at the request of the US Navy (reasons unknown, possibly to avoid confusion with cancelled P6M SeaMaster)

P-7 - Lockheed
P-8 Poseidon - Boeing

Reconnaissance

TR-1 Dragon Lady - Lockheed
TR-3A Black Manta - Northrop (rumored Black Project)
SR-3 Blackstar - (rumored Black Project)

Reconnaissance (Converted Aircraft)

Tanker

Trainer

T-1 SeaStar - Lockheed (previously designated T2V)
T-1 Jayhawk - Beechcraft
T-2 Buckeye - North American (previously designated T2J)
T-3 Firefly - Slingsby Aviation

T-4 - skipped
T-5 - skipped

T-6 Texan II - Beechcraft

Utility, 1955-present

U-1 Otter - de Havilland Canada
U-2 - Lockheed
U-3 - Cessna
U-4 Aero Commander - Aero Design
U-5 Twin Courier - Helio
U-6 Beaver - de Havilland Canada
U-7 Super Cub - Piper
U-8 Seminole - Beechcraft
U-9 Aero Commander - Aero Design
U-10 Super Courier - Helio
U-11 Aztec - Piper

U-12 - skipped
U-13 - skipped
U-14 - skipped
U-15 - skipped

U-16 Albatross - Grumman
U-17 Skywagon - Cessna
U-18 Navion - North American/Ryan
U-19 Sentinel - Stinson
U-20 - Cessna
U-21 Ute - Beechcraft
U-22 - Beechcraft
U-23 Peacemaker - Fairchild Hiller/Pilatus
U-24 Courier - Helio
U-25 Guardian - Dassault-Breguet
U-26 Turbo Stationcar - Cessna
U-27 Caravan - Cessna
U-28 - Pilatus
U-38 Twin Condor - Schweizer

Utility Helicopter

Vertical and Short Take-off and Landing Aircraft

OV-1 Mohawk - Grumman
CV-2 Caribou - de Havilland Canada
XV-3 - Bell
XV-4 Hummingbird - Lockheed
XV-5 Vertifan - Ryan
V-6 Kestrel - Hawker Siddeley/British Aerospace
CV-7 Buffalo - de Havilland Canada
XV-8 Fleep - Ryan
AV-8A/C Harrier - Hawker Siddeley
AV-8B Harrier II - McDonnell Douglas/British Aerospace
XV-9 - Hughes
OV-10 Bronco - Rockwell International
XV-11 Marvel - Parsons
OV-12 - Pilatus
XFV-12 - North American Rockwell

V-13 - skipped
V-14 - skipped; XV-14 was changed to XV-15 to avoid confusion with X-14

XV-15 - Bell
AV-16 - McDonnell Douglas/Hawker Siddeley

XV-17 - reserved for Army, but apparently not used

UV-18 Twin Otter - de Havilland Canada

V-19 - reserved for Navy, but apparently not used

UV-20 Chiricahua - Pilatus

PV-21 - reserved for Navy airship, but apparently not used

V-22 Osprey - Bell/Boeing
UV-23 - Skytrader

Un-designated foreign aircraft operated by the United States

References

Andrade, John M. (1979). U.S. Military Aircraft Designations and Serials Since 1909. Midland Counties Publications. ISBN 0-904597-22-9.
Fahey, James C. (1946). U.S. Army Aircraft 1908-1946.

External links

http://www.milaviapress.com/orbat/unitedstatesofamerica/index.php
http://www.personal.psu.edu/users/d/o/dob104/aviation/us/index.html
http://www.designation-systems.net/index.html
http://home.att.net/~jbaugher/
http://www.aerofiles.com/aircraft.html
http://www.nationalmuseum.af.mil/
http://www.milaviapress.com/orbat/unitedstatesairforce/index.php
http://www.microworks.net/pacific/aviation/
http://fire.prohosting.com/hud607/uncommon/

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Wright Brothers Model C

List of military aircraft of the United States

Prior to 1919

Army Signal Corps, August 2, 1909 to April 6, 1917

American-Built Airplanes of World War I, April 6, 1917 to November 11, 1918

American Expeditionary Force (A.E.F.) aircraft from the French Government

American Expeditionary Force (A.E.F.) aircraft from the British Government

American Expeditionary Force (A.E.F.) aircraft from the Italian Government

Post-War, November 11, 1918 to September 1919

Army Air Service, 1919-1924

Type O: Foreign-Built Pursuit Aircraft

Type I: Pursuit, water-cooled

Type II: Pursuit, night

Type III: Pursuit, air-cooled

Type IV: Pursuit, ground attack, 1922

Type V: Two-seat pursuit

Type VI: Ground attack, 1920-1922

Type VII: Infantry liaison

Type VIII: Night observation

Type IX: Artillery observation

Type X: Corps observation

Type XI: Day bombardment

Type XII: Night bombardment, short range

Type XIII: Night bombardment, long range

Type XIV: Trainer, air-cooled

Type XV: Trainer, water-cooled

Ambulance, 1919-1924

Messenger

Pursuit, special

Racer

Seaplane

Transport

Army Air Corps/Army Air Forces/Air Force 1924-1962

Attack, 1924-1948

Bomber

Light Bomber, 1924-1926

Medium Bomber, 1924-1926

Heavy Bomber, 1924-1926

Unified bomber sequence, 1926-1962

Bomber, long range, 1935-1936

Missiles

Cargo, 1924-1962

Drone

Aerial Target

1940-1941

1942-1948

Aerial Target (Model Airplane), 1942-1948

Controllable bomb, 1942-1945

Target Control, 1942-1948

Unified sequence, 1948-1962

Electronic (modified aircraft)

Glider

Assault Glider, 1942-1944

Bomb Glider, 1942-1944

Cargo Glider, 1941-1948

British-Built Cargo Gliders, 1941-1948

Fuel Glider, 1930-1948

Powered Glider, 1943-1948

Training Glider, 1941-1948

Unified sequence, 1948-1955

Sailplane, 1960-1962

Gyroplane, 1935-1939

Pursuit, 1924-1948/Fighter, 1948-1962

Fighter, Multiplace

Pursuit, Biplace

Pursuit, British-built

Observation

Observation, 1924-1942

Observation amphibian, 1925-1948

Liaison, 1942-1962

Reconnaissance

Photographic reconnaissance, 1930-1948 / Reconnaissance, 1948-1962

Reconnaissance-strike, 1960-1962

Rotary Wing, 1941-1948/Helicopter 1948-present

Supersonic/special test, 1946-1948

Trainer

Advanced Trainer, 1925-1948

Basic Combat, 1936-1940

Basic Trainer, 1930-1948

Primary Trainer, 1925-1948