Model
|
Name
|
First flight
|
Remarks
|
1
|
Vega
|
Jul 4, 1927
|
Six-passenger monoplane, original Vega model
|
2
|
Vega
|
|
Upgraded Vega with 300 hp (220 kW) Wright J-6 Whirlwind
|
3
|
Air Express
|
Apr 1928
|
Modified Vega for Western Air Express
|
4
|
Explorer
|
1928
|
Low-wing aircraft designed for trans-pacific flight between the United States and Japan
|
5
|
Vega
|
1929
|
Modified Vega with Wasp radial engine
|
6
|
Y1C-17
|
|
"Speed Vega" derivative modified by the United States Army Air Corps
|
7
|
Explorer Special
|
|
Modified Lockheed Explorer with wing dihedral
|
8
|
Sirius
|
1929
|
Single-engine, two-seat, long-range, high-performance aircraft
|
8A
|
Altair
|
Sep 1930
|
Modified Sirius with a retractable undercarriage
|
8D
|
Altair
|
1930
|
Upgraded Altair
|
9
|
Orion
|
Apr 1931
|
High speed wooden Six-passenger monoplane
|
10
|
Electra
|
Feb 23, 1934
|
Twin-engine all-metal transport
|
11
|
XFM-2
|
|
Proposed heavy fighter
|
12
|
Electra Junior
|
Jun 27, 1936
|
Six-passenger transport, scaled-down version of Model 10
|
212
|
L-212
|
|
Bomber trainer version
|
14
|
Super Electra
|
Jul 29, 1937
|
Passenger transport, scaled-up version of Model 10
|
15
|
PV-1 Ventura
|
Jul 31, 1941
|
Naval patrol bomber
|
16
|
|
|
Unbuilt derivative of Lockheed Model 10 Electra
|
18
|
Lodestar
|
Sep 21, 1939
|
Passenger transport (military version, C-60 cargo transport), stretched Model 14
|
19
|
|
|
Unbuilt fourteen-seat derivative of Model 14
|
20
|
XP-58 Chain Lightning
|
Jun 6, 1944
|
Long-range interceptor version of the P-38 Lightning
|
21
|
Ventura
|
|
Twin-engine World War II patrol bomber
|
22
|
P-38 Lightning
|
Jan 27, 1939
|
Twin-engine World War II fighter
|
122
|
P-38 Lightning
|
1941
|
YP-38 through P-38D
|
222
|
P-38 Lightning
|
|
P-38E through P-38H
|
322
|
P-322 Lightning
|
|
Export variant, impressed into U.S. service at war's outbreak
|
422
|
P-38 Lightning
|
|
P-38J through P-38M
|
522
|
XP-49
|
Nov 11, 1942
|
Advanced fighter prototype, based on P-38
|
622
|
XP-38A Lightning
|
Jun 6, 1944
|
Pressurized conversion of a P-38
|
822
|
P-38 Lightning
|
|
Navalized P-38 proposal
|
23
|
XP-49
|
Nov 11, 1942
|
Advanced P-38 derivative with pressurization and heavier weaponry
|
24
|
|
|
Proposed naval version of P-38 Lightning
|
26
|
P-2 Neptune
|
May 17, 1945
|
Patrol bomber and anti-submarine warfare aircraft
|
27
|
|
|
Proposed twin-engine canard transport
|
29
|
|
|
Proposed twin-engine bomber
|
30
|
|
|
Proposed twin-engine canard bomber
|
31
|
|
|
Proposed export version of Model 29
|
32
|
|
|
Proposed reconnaissance version of Model 18
|
33
|
Little Dipper
|
Aug 1944
|
Single seat light aircraft
|
34
|
Big Dipper
|
Dec 10, 1945
|
Twin seat light aircraft
|
35
|
|
|
Military trainer design derived from the North American NA-35
|
37
|
Ventura
|
|
Twin engine World War II patrol bomber
|
137
|
B-34
|
|
|
437
|
B-37
|
|
|
40
|
Model 40
|
|
Aerial target
|
41
|
|
|
Aerial target proposal
|
42
|
|
|
Aerial target proposal
|
44
|
Excalibur
|
|
Unbuilt four-engine predecessor to Constellation
|
45
|
|
|
Proposed radio control vehicle
|
49
|
Constellation
|
Jan 9, 1943
|
four-engine airliner
|
049
|
Constellation
|
Jan 9, 1943
|
Original passenger version
|
149
|
Constellation
|
|
Extra wing fuel tanks
|
249
|
XB-30
|
|
Redesignation of XB-30 (model 051); cancelled in favor of the B-29 and B-32
|
349
|
C-69 Constellation
|
|
Unbuilt C-69B long range troop/cargo transport
|
449
|
Constellation
|
|
Unknown airliner proposal
|
549
|
C-69 Constellation
|
|
C-69C VIP transport
|
649
|
Constellation
|
Oct 18, 1946
|
Improved passenger version
|
749
|
Constellation
|
Mar 14, 1947
|
Longer range version of model 649
|
849
|
Constellation
|
|
Unbuilt turbo-compound R-3350 powered version of model 749
|
949
|
Constellation
|
|
Unbuilt passenger/cargo convertible version of model 849
|
1049
|
Super Constellation
|
Oct 13, 1950
|
Improved Constellation
|
1149
|
Super Constellation
|
|
Unbuilt Allison turboprop powered version of the model 1049
|
1249
|
Super Constellation
|
Sep 1, 1954
|
Experimental turboprop military transport version
|
1449
|
Super Constellation
|
|
Proposed stretched turbine powered version of model 1049 with larger wings
|
1549
|
Super Constellation
|
|
Proposed further stretched version of model 1449
|
1649
|
Starliner
|
Oct 11, 1956
|
Final production version of the Constellation
|
50
|
|
|
Proposed single-engine liaison aircraft
|
51
|
XB-30
|
|
Proposed bomber version of Constellation, later redesignated model 249
|
52
|
|
|
Proposed single-seat fighter
|
60
|
|
|
Proposed twin-engine trainer
|
61
|
|
|
Proposed twin-engine trainer
|
62
|
|
|
Proposed twin-engine trainer
|
75
|
Saturn
|
Jun 17, 1947
|
Prototype small passenger airplane
|
80
|
P-80 Shooting Star
|
Jun 10, 1944
|
United States' first operational jet fighter
|
080
|
P-80 Shooting Star
|
|
YP-80A-P-80C
|
380
|
P-80 Shooting Star
|
|
Unbuilt naval proposal
|
480
|
P-80 Shooting Star
|
|
Unbuilt naval proposal
|
580
|
T-33 Shooting Star
|
Mar 22, 1948
|
Trainer; originally designated TP-80C and TF-80C
|
680
|
F-80D Shooting Star
|
|
Unbuilt version with engine upgrade
|
780
|
F-94 Starfire
|
Apr 16, 1949
|
All-weather jet fighter
|
880
|
F-94C Starfire
|
|
Redesigned tail & wing with rocket pods
|
980
|
YF-94D Starfire
|
|
Unbuilt ground attack version
|
1080
|
T2V-1 SeaStar
|
Dec 15, 1953
|
Naval trainer variant
|
81
|
XFV-1
|
Jun 16, 1954
|
Prototype tailsitter VTOL convoy protection fighter
|
82
|
C-130 Hercules
|
Aug 23, 1954
|
Four-engine medium transport
|
182
|
C-130 Hercules
|
|
All early models, including mission-specific variants
|
282
|
C-130 Hercules
|
|
C-130B and later, including variants
|
382
|
C-130 Hercules, L-100
|
|
Later models, including variants and -30 stretch
|
83
|
F-104 Starfighter
|
Feb 28, 1954
|
Supersonic Mach 2 interceptor
|
84
|
W2V-1
|
|
turboprop WV (EC-121 Warning Star) variant; contract cancelled
|
85
|
P-3 Orion
|
Apr 15, 1961
|
military patrol aircraft developed from the Electra (88/188)
|
520
|
|
|
Proposed P-3 AEW&C variant
|
87
|
AH-56A Cheyenne
|
Sep 21, 1967
|
Cancelled attack helicopter
|
88
|
L-188 Electra
|
Dec 6, 1957
|
Turboprop airliner
|
89
|
R6O/R6V Constitution
|
Nov 9, 1946
|
Large transport prototype
|
189
|
|
|
Civil version of Constitution
|
389
|
|
|
Unbuilt airliner version
|
489
|
|
|
Unbuilt airliner version
|
92
|
|
|
Proposed civil helicopter
|
93
|
L-1011 Tristar
|
Nov 16, 1970
|
Tri-engine, widebody airliner
|
99
|
|
|
Cancelled USAF interceptor
|
104
|
L-104
|
|
Temporary designation for redesigned Excalibur; later officially became Model 49
|
105
|
L-105
|
|
Temporary designation for Excalibur
|
129
|
Model X
|
|
1941 high-altitude bomber project competing for Type Specification XC-124 against B-27 and B-28
|
133
|
L-133
|
|
Cancelled jet fighter aircraft
|
136
|
|
|
Enlarged Constellation project, 1944; evolved into the Model 89/R6V
|
140
|
XP-80 Shooting Star
|
Jan 8, 1944
|
Experimental jet fighter
|
141
|
XP-80A Shooting Star
|
|
Experimental jet fighter
|
144
|
|
|
Enlarged variant of Excalibur
|
145
|
|
|
Commercial transport proposal (DC-3 replacement)
|
147
|
|
|
Small commercial transport proposals
|
151
|
|
|
Unbuilt airliner project
|
152
|
|
|
Medium-size turboprop/turbojet commercial aircraft proposals
|
153
|
XP-90/XF-90
|
Jun 3, 1949
|
Jet bomber escort prototype; cancelled in favor of the XF-88
|
155
|
|
|
Commercial jet-engined transport proposals
|
168
|
|
|
Heavy cargo/troop transport aircraft proposal
|
170
|
|
|
series of projects leading to TP-80/T-33A Shooting Star
|
171
|
X-7
|
Apr 26, 1951
|
Unmanned test bed for ramjet engines and missile guidance
|
182
|
|
|
Projected ASW version of Constitution
|
183
|
|
|
OS-113 interceptor fighter proposals; became XF3H-1
|
185
|
|
|
Commercial aircraft proposals (DC-3 replacement)
|
186
|
|
|
Jet-engined commercial transport proposals
|
187
|
|
|
OS-111 long-range carrier-based bomber proposal; became XA3D-1
|
188
|
|
|
Several projected modifications of the F-97 (later F-94C)
|
190
|
|
|
USAF interceptor proposals
|
191
|
|
|
Strategic turbojet bomber system
|
192
|
|
|
OS-117 ASW aircraft proposals; became XS2F-1
|
193
|
L-193 Constellation II
|
|
Jetliner/aerial tanker concept
|
195
|
|
|
Nuclear engine-powered aircraft proposals
|
197
|
|
|
ASW helicopter proposals
|
199
|
VG-Starfire
|
|
All-weather trainer project
|
200
|
|
|
Original proposal of XFV-1; later officially became Model 81
|
201
|
|
|
Commercial transport aircraft proposals (DC-3 replacement)
|
202
|
|
|
Day fighter proposals
|
203
|
|
|
VTOL liaison aircraft proposal
|
204
|
|
|
Several project variants of F-94C
|
206
|
|
|
pre-Hercules development of L-168 with removable cargo pod
|
207
|
|
|
Commercial transport proposal (DC-3 replacement)
|
208
|
|
|
AMC XC-Heavy Transport and Parasite/Missile carrier aircraft proposal
|
209
|
|
|
Parasite bomber proposal
|
210
|
|
|
Ground attack fighter proposals
|
212
|
|
|
Nuclear engine-powered aircraft proposals
|
227
|
|
|
Series of pre-Starfighter projects
|
242
|
|
|
Series of pre-Starfighter projects
|
245
|
L-245
|
|
Converted T-33 used by the company for development of the T2V-1 (model 1080)
|
246
|
XF-104
|
Mar 4, 1954
|
Interceptor prototype, led to the F-104
|
288
|
CL-288
|
|
F-104 based interceptor concept with wing mounted engines
|
295
|
CL-295
|
|
Design studies for a 'tail-sitting' VTOL fighter
|
300
|
C-141 Starlifter
|
Dec 17, 1963
|
Strategic airlifter
|
301
|
L-301
|
|
Proposed hypersonic research project; sometimes called X-24C
|
320
|
CL-320
|
|
Intermediate long-range high-speed interceptor project
|
325
|
CL-325
|
|
Reconnaissance aircraft project, predecessor to CL-400 Suntan design[1]
|
329
|
JetStar
|
Sep 4, 1957
|
Business jet
|
1329
|
JetStar
|
|
Business jet
|
2329
|
JetStar II
|
|
Business jet
|
330
|
|
|
Projected T2V variant
|
330
|
XV-4/XV-10 Hummingbird
|
Jul 7, 1962
|
VTOL prototype
|
346
|
CL-346
|
|
Proposals for supersonic VTOL fighters, based on the F-104
|
351
|
U-2
|
Aug 4, 1955
|
CL-282, high-altitude spyplane
|
379
|
CL-379
|
|
Tilt-wing research aircraft project[2]
|
400
|
CL-400 Suntan
|
|
Proposal for Mach 2.5 reconnaissance aircraft, liquid hydrogen fueled
|
400
|
L-400 Twin Hercules
|
|
Proposed twin-engine version of C-130
|
402
|
CL-402
|
|
Aermacchi AL-60 built under license
|
407
|
CL-407
|
|
Proposals for supersonic VTOL attack and reconnaissance aircraft
|
414
|
Hudson
|
Dec 10, 1938
|
Bomber and reconnaissance aircraft
|
475
|
CL-475
|
|
Prototype helicopter
|
500
|
C-5 Galaxy
|
Jun 30, 1968
|
Large jet transport
|
595
|
XH-51A
|
Sep 29, 1962
|
Attack helicopter prototype (Model 186)
|
645
|
F-22 Raptor
|
Sep 7, 1997
|
Air superiority stealth fighter
|
090P
|
|
|
Lockheed submission for the ATF (Advanced Tactical Fighter) Demonstration/Validation phase
|
1132
|
YF-22A Lightning II
|
Sep 29, 1990
|
Technology demonstrator (632 is the associated design iteration that evolved into EMD submission)
|
645
|
F-22A Raptor
|
Sep 7, 1997
|
EMD and operational production aircraft
|
760
|
CL-760
|
|
Lockheed proposal for the LARA (Light Armed Reconnaissance Aircraft), competition won by the OV-10 Bronco
|
823
|
CL-823
|
|
Designs for SST (Super Sonic Transport)
|
840
|
AH-56
|
|
Cancelled attack helicopter
|
901
|
CL-901
|
Sep 1966
|
Converted F-104 for advanced air superiority
|
934
|
CL-934
|
|
Interceptor variant of the F-104
|
977-16
|
CL-977-16
|
|
Composite helicopter
|
981
|
CL-981
|
|
Enlarged variant of the F-104, developed into the CL-1200
|
984
|
CL-984
|
|
Strike variant of the F-104
|
985
|
CL-985B
|
|
development of the CL-984 for Belgium
|
995
|
S-3A Viking
|
Jan 21, 1972
|
Twin-engine naval ASW aircraft
|
1026
|
CL-1026
|
|
designs for a commercial helicopter, using the rigid-rotor system from the Cheyenne.
|
1195
|
CL-1195
|
|
designs for fighter, proposal for the "Free World Fighter" program circa 1969
|
1200
|
CL-1200 Lancer
|
|
development of the F-104. became CL-1600 / X-27
|
1201
|
Lockheed CL-1201
|
|
Design study for 6,000 ton nuclear powered transport
|
1800
|
CL-1800
|
|
helicopter project
|
2000
|
L-2000
|
|
Proposed supersonic transport (SST)
|
2016
|
CL-2016
|
|
Submission for the Advanced Tactical Fighter initial request for information
|
|
XFM-2
|
1930s
|
heavy fighter, bomber destroyer, cancelled
|
|
YP-24
|
1931
|
fighter, ground-attack aircraft
|
|
XC-35
|
May 9, 1935
|
experimental aircraft
|
|
X-27 Lancer
|
|
CL-1600, cancelled replacement of F-104 Starfighter; never flown
|
|
TR-1/U-2R
|
Aug 1, 1981
|
advanced U-2
|
|
ER-2/U-2ER
|
|
NASA U-2
|
|
A-12
|
Apr 26, 1962
|
CIA supersonic spyplane
|
|
YF-12 Blackbird
|
Aug 7, 1963
|
supersonic interceptor prototype
|
|
SR-71 Blackbird
|
Dec 22, 1964
|
USAF supersonic spyplane
|
|
YO-3A Quiet Star
|
1966
|
Reconnaissance
|
|
LASA-60
|
Sep 15, 1959
|
Light Utility Sport Aircraft
|
|
X-26B
|
|
|
|
Have Blue (XST)
|
Dec 1977
|
stealth technology testbed
|
|
F-117 Nighthawk
|
Jun 18, 1981
|
stealth attack aircraft
|
|
Flatbed
|
1980s
|
military transport aircraft project, cancelled
|
|
P-7
|
1980s
|
maritime-patrol aircraft project, cancelled
|