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Secret (Unbuilt) Projects
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Secret Postwar Aircraft Projects
Unbuilt and cancelled aviation projects since 1945. Designs that never made to production.
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Revised Posting Guidelines - PLEASE READ!
Antonio
Oct 24, 2006
Replies
4
Views
28K
Apr 28, 2018
Stargazer2006
S
Bellanca Prototypes & Projects
hesham
Sunday at 1:57 PM
Replies
6
Views
346
Today at 1:46 PM
hesham
Martin Model 316: XB-68 Tactical Bomber
Skybolt
Jul 13, 2006
2
3
4
Replies
143
Views
65K
Today at 1:04 PM
JFC Fuller
Various UAV and UCAV designs from the USA
flateric
May 19, 2007
8
9
10
Replies
362
Views
122K
Today at 6:14 AM
AeroFranz
New MQ-X requirements
doolyii
May 20, 2009
2
Replies
73
Views
38K
Yesterday at 9:48 PM
TomcatViP
T
F
seeking images and info on early Sukhoi 1970 to 1972 concepts for T-10 aka Su-27
F-23 Blackwidow II
Jan 31, 2010
Replies
16
Views
5K
Yesterday at 8:41 PM
overscan (PaulMM)
INTA Aircraft & Projects
hesham
Nov 25, 2009
Replies
10
Views
3K
Yesterday at 8:33 PM
Apophenia
Russian Semurg Multi-Purpose Jet Aircraft ?
hesham
Apr 12, 2013
Replies
11
Views
4K
Yesterday at 8:10 PM
Grey Havoc
Vickers VC-10 Projects
Antonio
Apr 1, 2006
2
3
Replies
96
Views
31K
Yesterday at 4:49 PM
EwenS
E
Redirect
F-4 Phantom engine upgrade
SSgtC
Monday at 7:08 PM
Replies
–
Views
–
N/A
C
Lockheed CL400 Suntan
CFE
Jul 19, 2009
2
Replies
59
Views
11K
Yesterday at 2:43 PM
TSARb
T
C
USAF Weapon System 302A Tactical Bomber Competition
circle-5
Sep 24, 2014
Replies
17
Views
8K
Yesterday at 6:45 AM
Archibald
A
C-133 as a Saturn Carrier Aircraft
flateric
Nov 5, 2007
Replies
20
Views
10K
Tuesday at 7:00 PM
Archibald
A
ACMA/C-XX Advanced Cargo Transport competition
hesham
Aug 16, 2011
Replies
18
Views
10K
Tuesday at 5:14 PM
fightingirish
C
Post-war Horten designs
Clioman
Mar 3, 2011
2
Replies
59
Views
15K
Tuesday at 3:42 PM
Erdosain
R
Argentinian Unbuilt Projects
raravia
Apr 7, 2006
4
5
6
Replies
228
Views
94K
Tuesday at 2:46 PM
NoBarrelRolls
N
K
Various aviation projects from South Africa
kaiserbill
Aug 6, 2013
4
5
6
Replies
219
Views
83K
Tuesday at 2:19 PM
kaiserbill
K
C
Lockheed C-130 Hercules Seaplane/Amphibious Versions
CammNut
Oct 31, 2007
Replies
37
Views
10K
Tuesday at 5:02 AM
Hank58
RAH-66 Comanche
Stuka
Jun 17, 2007
4
5
6
Replies
210
Views
86K
Monday at 4:19 PM
Mikoyan293
M
Ilyushin Unbuilt Projects
hesham
Oct 1, 2006
3
4
5
Replies
198
Views
80K
Monday at 12:33 PM
hesham
Two strange flying boat projects
hesham
Jan 17, 2008
Replies
8
Views
4K
Monday at 12:24 PM
hesham
Northrop N-102 Fang light fighter
TinWing
Apr 28, 2006
2
3
Replies
102
Views
73K
Sunday at 8:06 PM
KJ_Lesnick
K
P
Shackleton replacement
PMN1
Jan 1, 2007
Replies
12
Views
6K
Sunday at 5:55 PM
Wyvern
Handley Page HP.126 Aerobus all-wing transport aircraft
hesham
Jun 11, 2010
Replies
7
Views
4K
Sunday at 5:43 PM
Wyvern
Postwar Burnelli Designs
hesham
Aug 26, 2008
2
Replies
73
Views
23K
Sunday at 2:09 PM
hesham
UK MoD Project LANCA - RAF 'Loyal Wingman'
JFC Fuller
Mar 23, 2018
Replies
12
Views
4K
Sunday at 1:06 PM
Grey Havoc
Faradair
VictorXL188
Jul 6, 2020
Replies
6
Views
519
Sunday at 10:35 AM
Zootycoon
Z
T
Gloster Meteor: special one-of-a-kind aircraft and unbuilt variants
toura
Jan 23, 2009
2
Replies
67
Views
18K
Sunday at 9:04 AM
blackkite
A
CAC Postwar Projects
Armchair Admiral
Feb 14, 2007
2
3
Replies
111
Views
59K
Sunday at 8:57 AM
Archibald
A
C
G.R.I.E.R. pods: Ground Resupply Insertion Extraction Rescue pods for VTOL
carolm
Feb 13, 2007
Replies
26
Views
16K
Sunday at 5:37 AM
iverson
I
Hawker Hunter precursor and follow-on projects
hesham
Sep 13, 2006
2
Replies
44
Views
16K
Sunday at 5:30 AM
SpaceRanger
Soviet DFS / OKB-2 Projects: 346 derivatives, 468, 478, 486 and more
Antonio
Feb 17, 2007
Replies
22
Views
10K
Saturday at 9:44 PM
overscan (PaulMM)
Antonov Projects
hesham
Feb 12, 2007
2
3
4
Replies
138
Views
56K
Saturday at 4:27 PM
Wyvern
Bölkow Helicopter Projects
hesham
Jul 13, 2007
Replies
22
Views
9K
Saturday at 2:02 PM
hesham
FATE and ICE studies
Sundog
Aug 15, 2006
2
Replies
56
Views
35K
Saturday at 12:58 PM
hesham
E
Sukhoi T-4/T-4M/T-4MS bombers
elider
Oct 29, 2007
2
Replies
55
Views
30K
Saturday at 10:08 AM
Archibald
A
ICBM carrier
Jemiba
Jun 7, 2007
Replies
33
Views
19K
Saturday at 6:36 AM
Pioneer
P
Cargo-Experimental (C-X) program designs
overscan (PaulMM)
Apr 9, 2006
2
Replies
40
Views
16K
Saturday at 3:31 AM
Hank58
Vought (LTV) A-7 Corsair II Projects
overscan (PaulMM)
Jan 2, 2006
2
3
4
Replies
157
Views
99K
Saturday at 12:46 AM
Sundog
Bartini Postwar Projects
flateric
Jun 15, 2006
3
4
5
Replies
187
Views
69K
Friday at 9:32 PM
gabrielorosco
G
A
Design development of the SAAB JAS 39 Gripen
arc3371
Dec 7, 2006
2
Replies
43
Views
26K
Friday at 12:04 PM
overscan (PaulMM)
V
BAE HALO - information from recent FOIA Request
Vulcan652
Feb 10, 2012
Replies
7
Views
6K
Jul 9, 2020
shedofdread
Lockheed L-1011 Tristar twin derivatives
Skybolt
Feb 10, 2008
Replies
20
Views
9K
Jul 9, 2020
fightingirish
Various UAV and UCAV designs from Europe
hesham
Jun 9, 2007
2
Replies
63
Views
102K
Jul 9, 2020
Grey Havoc
Czechoslovakian helicopters, Prototypes & Projects
Matej
Jun 23, 2006
Replies
36
Views
16K
Jul 9, 2020
hesham
MiG-25 Projects
hesham
Mar 5, 2007
Replies
18
Views
13K
Jul 8, 2020
hesham
P
Vought F-8 Projects
Pioneer
Aug 7, 2006
Replies
39
Views
17K
Jul 8, 2020
hesham
VA (L) Competition - alternatives to the A-7
overscan (PaulMM)
Mar 7, 2006
2
Replies
56
Views
43K
Jul 8, 2020
Wyvern
Convair NX2 CAMAL Nuclear Bomber
TinWing
Mar 3, 2006
2
3
4
Replies
126
Views
55K
Jul 8, 2020
blackkite
Unknown Project Model
BillRo
Nov 7, 2019
Replies
4
Views
848
Jul 7, 2020
hesham
Supermarine Scimitar and Related Projects
hesham
Nov 27, 2014
2
Replies
41
Views
9K
Jul 7, 2020
hesham
Mike Smith Aircraft Inc. Prototypes and Projects
hesham
Nov 22, 2014
Replies
9
Views
3K
Jul 7, 2020
trousl
T
B
Convair 660 - Short-Haul Twin-Jet
Boxman
Nov 18, 2015
Replies
11
Views
5K
Jul 7, 2020
taildragger
Transall - Origins, Variants & Projects
Jemiba
Jun 17, 2006
2
Replies
74
Views
32K
Jul 6, 2020
fightingirish
Lockheed ASTOVL, JAST, JSF projects
Antonio
Mar 27, 2006
2
3
4
Replies
141
Views
78K
Jul 6, 2020
hesham
Various Mil Projects
hesham
Oct 19, 2007
2
3
Replies
106
Views
33K
Jul 6, 2020
hesham
R
Heinkel 222 photos?
riggerrob
Jul 4, 2020
Replies
2
Views
404
Jul 6, 2020
Apophenia
Vought Blitzfighter / ATLAS / VMX lightweight attack studies
Mark Nankivil
Jan 28, 2010
2
Replies
49
Views
26K
Jul 5, 2020
jsport
J
Vought V-356 Navy Attack Proposal
allysonca
Apr 24, 2017
Replies
5
Views
2K
Jul 5, 2020
masher47
M
M
Lockheeds VTOL RPV' 4 Years before Star Wars
masher47
Jun 30, 2020
Replies
5
Views
559
Jul 5, 2020
masher47
M
M
Sikorsky VTOL projects------3 years BEFORE Star Wars
masher47
Jun 30, 2020
Replies
4
Views
534
Jul 5, 2020
masher47
M
Boeing Vertol BV-235 (AAH contender)
overscan (PaulMM)
Aug 3, 2006
2
Replies
42
Views
43K
Jul 5, 2020
taildragger
ADDAX-1/S New Zealand Combat Aircraft
GTX
Apr 18, 2006
Replies
30
Views
26K
Jul 5, 2020
steelpillow
Nuclear Powered Aircraft Projects
Antonio
Sep 29, 2006
6
7
8
Replies
308
Views
130K
Jul 5, 2020
blackkite
Douglas VTOL/VSTOL/STOL Projects
Mark Nankivil
Nov 16, 2010
Replies
10
Views
5K
Jul 4, 2020
hesham
M
Republic 651 VTOL Transports
masher47
Jun 30, 2020
Replies
3
Views
399
Jul 4, 2020
hesham
McDD/Northrop/BAe ASTOVL/MRF/JAST/JSF studies
Antonio
Mar 31, 2006
4
5
6
Replies
233
Views
144K
Jul 3, 2020
Archibald
A
EKIP 'flying saucer'
boxkite
Oct 22, 2006
Replies
26
Views
12K
Jul 3, 2020
Archibald
A
Pellarini Aircraft and Projects
hesham
Feb 12, 2013
Replies
23
Views
6K
Jul 3, 2020
Grey Havoc
Myasishchev M-56
Triton
Aug 22, 2010
Replies
14
Views
7K
Jul 3, 2020
ucon
U
McDonnell-Douglas F-15 Projects
overscan (PaulMM)
Dec 28, 2005
3
4
5
Replies
175
Views
140K
Jul 3, 2020
Mark Nankivil
D
Various Bell tilt-rotor projects
dragon72
Jan 8, 2007
2
3
4
Replies
121
Views
35K
Jul 3, 2020
yasotay
B
Myasishchev jet bomber projects
borovik
Jul 23, 2007
Replies
21
Views
32K
Jul 2, 2020
Vasily41
Tupolev '108' Composite Bomber & Developments
Vasily41
May 17, 2020
Replies
19
Views
2K
Jul 2, 2020
PlanesPictures
P
P.V. Engineering and Piasecki projects
hesham
Nov 9, 2006
Replies
36
Views
14K
Jul 2, 2020
masher47
M
Convair Model 52 (OS-125 P6M Competitor)
RAP
Jun 12, 2017
Replies
20
Views
2K
Jul 2, 2020
Bill S
S
US Navy Outline Specification OS-112
Stargazer2006
Apr 23, 2010
Replies
15
Views
7K
Jul 2, 2020
Bill S
Mirage F-O Supersonic Trainer for Australia
GTX
Jun 25, 2020
Replies
21
Views
1K
Jul 1, 2020
galgot
R
Forgotten light-weight fighters
riggerrob
Jul 1, 2020
Replies
2
Views
469
Jul 1, 2020
zen
Z
P
Advanced Medium STOL Transport (AMST) and its predecessors
Pioneer
Jul 27, 2006
3
4
5
Replies
180
Views
73K
Jul 1, 2020
Hank58
R
Advanced Phantom Projects
rousseau
May 17, 2007
2
3
4
Replies
141
Views
78K
Jul 1, 2020
isayyo2
I
Goodyear VSTOL/STOL Projects
Antonio
Jun 21, 2007
Replies
4
Views
3K
Jun 30, 2020
hesham
S
Little known Lithuanian aircraft
Stargazer2006
Jun 12, 2016
Replies
16
Views
4K
Jun 30, 2020
Retrofit
Dassault projects - Cavalier
MIRAGE 4000
Mar 24, 2007
Replies
9
Views
6K
Jun 30, 2020
Archibald
A
R
de Havilland DH 100 Vampire/Spider Crab, pre-projects, prototypes & projects
roadrunner2
Jan 20, 2009
Replies
9
Views
5K
Jun 29, 2020
steelpillow
Boeing 787 concepts
Triton
Jul 27, 2009
4
5
6
Replies
239
Views
82K
Jun 29, 2020
Grey Havoc
S
Canadair CL-21: a short-lived planned replacement for the DC-3
Stargazer2006
Mar 27, 2014
Replies
11
Views
4K
Jun 29, 2020
royabulgaf
R
Bell Model 409 / YAH-63 attack helicopter (AAH contender)
flateric
Aug 3, 2006
2
Replies
57
Views
28K
Jun 29, 2020
yasotay
S
Bomber Defense Missiles (BDM)
Stargazer2006
Apr 26, 2010
Replies
3
Views
3K
Jun 28, 2020
asiscan
Myasishchev M-67 AIRBORNE SURVEILLANCE TESTBED (AST) analog
flateric
May 6, 2006
Replies
13
Views
15K
Jun 28, 2020
Evgeniy
E
Interesting escape concepts.
sferrin
May 21, 2007
2
3
4
Replies
135
Views
56K
Jun 27, 2020
Grey Havoc
F
RAF Boeing Washington B.1 (B-29) with Grand Slam bombs
frank
Aug 15, 2008
Replies
25
Views
7K
Jun 26, 2020
EwenS
E
B.126T / OR.314 / OR.324 Low Altitude Bomber Designs
JFC Fuller
Jun 13, 2020
Replies
10
Views
1K
Jun 26, 2020
CNH
C
M
Boeing Tactical Fighter Study 1972
masher47
Jun 25, 2020
Replies
7
Views
761
Jun 26, 2020
hesham
Joint Surveillance Target Attack Radar System (JSTARS) Recapitalization
Triton
Oct 22, 2012
Replies
36
Views
12K
Jun 26, 2020
Grey Havoc
Lockheed A-12 and SR-71 projects
SOC
May 31, 2006
2
3
4
Replies
122
Views
53K
Jun 26, 2020
Grey Havoc
M
Boeing 732
masher47
Jun 25, 2020
Replies
1
Views
445
Jun 26, 2020
Wyvern
Mirage F1 projects
overscan (PaulMM)
Feb 20, 2006
2
Replies
57
Views
28K
Jun 26, 2020
Archibald
A
Project ISINGLASS & Project RHEINBERRY
flateric
Jun 9, 2006
6
7
8
Replies
281
Views
141K
Jun 25, 2020
LowObservable
Boeing-Vertol Model 179 YUH-61A UTTAS / Model 237 LAMPS contender
Abraham Gubler
Feb 22, 2009
2
3
Replies
85
Views
34K
Jun 25, 2020
yasotay
Team US101 All Weather Medium Lift Military Helicopter (HH-71 and VH-71)
Triton
Sep 13, 2009
Replies
20
Views
12K
Jun 25, 2020
riggerrob
R
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