MINOR TYPES - Post World War II & The Modern Era

USAF / US Army Aircraft

C-140 JetStar
Base aircraft: Lockheed Model L-1329 JetStar
First flight: 04/09/1957
Engines:
(C-140A) 4 Bristol Siddeley Orpheus BDr.1-5 / 4840lbst / Turbojet.
(C / VC-140B) 4 P&W J60-P / 3000lbst / Turbojet.
Type: 4-engined utility transport for USAF.
In service: 1961 - ?

C-140A-LM
1960, nav. calibration aircraft.
59-5958 / 59-5962
5  
C-140B-LM
1962, mission support version.
62-4197 / 62-4201
5  
VC-140B-LM
1962, VIP transport.
61-2488 / 61-2493
62-12166, 62-12167
- To Saudi Arabia as 101, 102.
8 Total: 018
T-40 - Trainer version, cancelled.
UV-1 (C-140C-LM) - USN version, 2 cancelled.

H-52 Seaguard
Base aircraft: Sikorsky Model S-62A
First flight: 22/05/1958
Engines: 1 General Electric T58-GE / 1250shp / Turboshaft.
Type: Single-engined SAR helicopter for the USCG.
In service: 1963 - ?

HH-52A
1961, original designation
was HU2S-1G.
(USCG) 1352 / 1379
(USCG) 1382 / 1413
(USCG) 1415 / 1429
(USCG) 1439 / 1450
(USCG) 1455 / 1466

Total: 099

H-55 Osage
Base aircraft: Hughes Model 269A / 269C
First flight: 1958
Engine: 1 Lycoming HIO-360 / 180hp / Opposed 4 / Air.
Type: Single-engined, primary training helicopter for US Army.
In service: 1964 - ?

YHO-2-HU
1958, prototypes for evaluation.
58-1324 / 58-1328
5  
TH-55A-HU
1964, equipment upgrade.
64-18001 / 64-18020
64-18025 / 64-18239
65-18240 / 65-18263
66-18264 / 66-18355
67-15371 / 67-15449
67-16687 / 67-17002
67-18356 / 67-18404
4 additional airframes cancelled.
795 Total: 800

L-20 Beaver
Base aircraft: (Canada) DeHavilland Canada DHC-2
First flight: 16/08/1947
Engine: 1 P&W Wasp Junior R-985 / 450hp / Radial 9 / Air.
Type: Single-engined liaison and utility aircraft for US Army / USAF.
In service: 1952 - ?

YL-20-DH
1950, prototypes, first 2 to
US Army, last 4 to USAF.
51-5110, 51-5111
51-6263 / 51-6266
6  
L-20A-DH
1952, military equipment.
Redesignated as U-6A-DH in 1962.
51-16463 / 51-16571
51-16752 / 51-16863
52-6059 / 52-6161
53-2781 / 53-2846
53-3711 / 53-3737
53-7888 / 53-7967
53-8159 / 53-8170
54-1666 / 54-1739
55-681 / 55-708
55-3481 / 55-3489
55-4582 / 55-4612
56-351 / 56-426
56-4397 / 56-4447
57-2559 / 57-2588
57-6137 / 57-6182
57-6522 / 57-6525
58-1978 / 58-2077
58-7020 / 58-7024
59-5916 / 59-5918
60-3528, 60-3529
61-2940 / 61-2942
64-15462
3 later to US Navy as:
BuNo. 150191, 150192, 151348
981  
(RU-6A-DH)
20, airborne radio direction finding (AROF) conversions for use in Vietnam.
(TU-6A-DH)
1+, dual-control trainer conversions.
L-20B-DH
1953, equipment changes for US Army. 
53-7780 / 53-7785
6 Total: 993

L-23 / U-8 Seminole
Base aircraft: Beechcraft Model 50 Twin Bonanza
& Model 65 / 70 / 80 / 88 Queen Air
First flight: 15/11/1949
Engines:
2 Lycoming GO-435 / 260hp / Opposed 6 / Air.
2 Lycoming GO-480 / 295hp - 340hp / Opposed 6 / Air.
Type: Twin-engined, liaison / utility aircraft for US Army.
In service: 1953 - 1992

YL-23-BH
1952, prototypes.
52-1800 / 52-1803
4  
L-23A-BH
1952, engine upgrade.
52-6162 / 52-6216
55  
L-23B-BH
1953, minor changes.
53-6153 / 52-6192
40  
XL-23C-BH
1955, prototype for USAF.
55-3465
1  
L-23D-BH
1956, engine upgrade.
Redesignated as U-8D-BH in 1962.
56-3695 / 56-3718
57-3084 / 57-3101
57-6077 / 57-6094
58-1329 / 58-1353
Plus 93 rebuilt L-23A / B airframes:
57-6029 / 57-6076
58-3048 / 58-3092 
85  
RL-23D-BH
1959, radar observation version.
Redesignated as RU-8D-BH in 1962.
58-1357 / 58-1364
59-2535 / 59-2543
59-4990 / 59-4992
20  
L-23E-BH
1956, engine upgrade.
Redesignated as U-8E-BH in 1962.
56-4039 / 56-4044
6  
L-23F-BH
1959, 65 Queen Air version,
redesigned fuselage.
Redesignated as U-8F-BH in 1962.
58-1354 / 58-1356
60-3453 / 60-3463
60-5386 / 60-5390
61-2426 / 61-2430
24  
U-8F-BH
1962, as L-23F-BH.
62-3832 / 62-3875
63-7975
- To Pakistan.
63-13636, 63-13637
66-15365
- Ex-civil, not counted.
47  
NU-8E-BH
1966, ex-civil conversion.
66-15360
(1)  
NU-8F-BH
1964, ex-civil conversion.
Turbo-prop engine upgrade.
Later redesignated as YU-21A-BH.
63-12902
(1)  
(U-8G-BH)
20, 1962, fuselage / engine upgrade.
TU-8G-BH - USN trainer, cancelled.
Model 65 Queen Air
1981, ex-civil impressions.
81-13658, 81-13659
81-23658
82-23659, 82-24029
82-24054
83-24128, 83-24188
84-24320
85-24370, 85-24373
85-24374, 85-25349
(13) Total: 282

L-24 Courier / L-28 Super Courier
Base aircraft: Helio Model H-391 / H-395
First flight: 14/04/1949
Engines:
(L-24) 1 Lycoming GO-435 / 260hp / Opposed 6 / Air.
(L-28) 1 Lycoming GO-480 / 295hp / Opposed 6 / Air.
Type: Single-engined, STOL liaison aircraft for US Army and USAF.
In service: 1953 - ?

YL-24-HE
1953, prototype for evaluation.
52-2540
1  
L-28A-HE
1958, Model H-395.
Redesignated as U-10A-HE in 1962.
58-7026, 58-7027
1 (58-7025), cancelled.
2  
U-10A-HE
1962, production version.
62-3603 / 62-3608
62-5907 / 62-5920
63-13099 / 63-13101
63-13184, 63-13185
25  
U-10B-HE
1963, engine upgrade, minor changes.
63-8091 / 63-8110
63-13090 / 63-13095
63-13107 / 63-13113
63-13166 / 63-13183
66-14370 / 66-14375
57  
U-10C-HE - engine upgrade, cancelled.
U-10D-HE
1963, higher weights.
63-13096 / 63-13098
63-13102 / 63-13106
66-14332 / 66-14369
46 Total: 131

L-26
Base aircraft: Aero Model 520 / 560 / 680 Aero Commander
First flight: 23/04/1948
Engines:
2 Lycoming GO-435 / 260hp / Opposed 6 / Air.
2 Lycoming GO-480 / 295hp - 320hp / Opposed 6 / Air.
Type: Twin-engined, light transport for USAF and US Army.
In service: 1952 - ?

YL-26-AD
1952, US Army evaluation.
Redesignated as YU-9A-AD in 1962.
52-6217 / 52-6219
3  
YL-26A-AD
1955, USAF evaluation.
Redesignated as YU-4A-AD in 1962.
55-3815
1  
L-26B-AD
1955, engine upgrade.
55-4634 / 55-4646
- To USAF, redesignated
as U-4A-AD in 1962.
57-1791
- To US Army, redesignated
as U-9B-AD in 1962.
14  
L-26C-AD
1956, engine upgrade.
55-4647, 55-4648
- To USAF, redesignated
as U-4B-AD in 1962.
56-4023 / 56-4026
- To US Army, redesignated
as U-9C-AD in 1962.
6  
RL-26D-AD
1957, US Army, EW version.
Redesignated as RU-9D-AD in 1962.
57-6183, 57-6184
58-5512, 55-5513
- 2 w/o before delivery.
4  
NL-26D-AD
1957, US Army, EW upgrade.
Ex-civil impression, redesignated
as NU-9D-AD in 1962.
57-6531
(1) Total: 028

U-1 Otter
Base aircraft: (Canada) DeHavilland Canada DHC-3
First flight: 12/12/1951
Engine: 1 P&W Wasp R-1340 / 600hp / Radial 9 / Air.
Type: Single-engined, STOL utility transport for US Army.
In service: 1955 - ?

YU-1-DH
1955, prototypes.
Original designations were
AU-1-DH and YC-137-DH.
55-2973 / 55-2978
6  
U-1A-DH
1955, minor changes.
55-3244 / 55-3327
57-6107 / 57-6136
58-1681 / 58-1720
58-7019
59-2203 / 59-2231
184  
UC-1
1956, US Navy version.
Redesignated as U-1B-DH in 1962.
BuNo.142424 / 142427
BuNo.144259 / 144261
BuNo.144669 / 144674
BuNo.147574
BuNo.148322, 148323
16 Total: 206
(NU-1B)
2, conversions for tests.

U-23 Peacemaker
Base aircraft: Fairchild-Hiller Turbo-Porter (license built version
of the Swiss Pilatus PC-6 Porter).
First flight: 04/05/1959 (Swiss prototype)
Engine: 1 Garrett AiResearch TPE331 / 665shp / 3-bladed Turboprop.
Type: Single-engined, STOL counter-insurgency aircraft.
In service: 1972

AU-23A-FA
1971, fitted with armament.
All for delivery to Thailand.
72-1304 / 72-1318
73-1699
74-2073 / 74-2092

Total: 036

OV-12A Riverine - USN version, 25 cancelled.

V-7 Buffalo
Base aircraft: (Canada) DeHavilland Canada DHC-5
First flight: 09/04/1964
Engines: 2 General Electric T64-GE / 2850shp / 3-bladed Turboprop.
Type: Twin-engined, STOL cargo transport for US Army.
In service: 1965 - 1990's

CV-7A-DH
1964, original designation
was AC-2-DH. Redesignated
as C-8A-DH for USAF in 1967.
63-13686 / 63-13689 

Total: 004

(XC-8A)
1, 1972, ex-CAF CC-115 for USAF tests.

V-18 Twin Otter
Base aircraft: (Canada) DeHavilland Canada DHC-6
First flight: 20/05/1965
Engines: 2 P&W Canada PT6A / 620shp / 3-bladed Turboprop.
Type: Twin-engined, STOL utility transport for US Army / USAF.
In service: 1976 - ?

UV-18A-DH
1976, US Army version.
76-22565, 76-22566
79-23255, 79-23256
82-23835, 82-23836
6  
UV-18B-DH
1977, USAF version.
77-0464, 77-0465
2 Total: 008

US Navy Aircraft

AJ Savage
Base aircraft: North American NA-146, NA-156, NA-160,
NA-163, NA-169, NA-175, NA-183, NA-184
First flight: 03/07/1948
Engines:
(AJ) 2 P&W Double Wasp R-2800 / 2300hp - 2500hp / Radial 18 / Air.
(A2J) 2 Allison T40-A / 5100shp / 6-bladed contra-rotating Turboprop.
Type: Twin-engined, carrier-based attack-bomber.
In service: 1949 - 1950's

XAJ-1
1948, prototypes.
BuNo.121460 / 121462
3  
AJ-1
1949, engine upgrade.
Redesignated as A-2A in 1962.
BuNo.122590 / 122601
BuNo.124157 / 124184
40  
AJ-2
1953, longer fuselage, engine upgrade.
Redesignated as A-2B in 1962.
BuNo.124850 / 124864
BuNo.130405 / 130421
BuNo.134035 / 134072
70  
AJ-2P
1952, photo reconn. version.
BuNo.128043 / 128054
BuNo.129185 / 129195
BuNo.130422 / 130425
BuNo.134073 / 134075
30  
XA2J-1
1952, turbo-prop engine upgrade.
BuNo.124439, 124440
2 Total: 145

FD (FH) Phantom
Base aircraft: McDonnell Model ?
First flight: 26/01/1945
Engines:
(XFD-1) 2 Westinghouse 19XB-2B / 1165lbst / Turbojet.
(FD-1) 2 Westinghouse J30-W / 1600lbst / Turbojet.
Type: Twin-engined, carrier-based fighter.
In service: 1947 - 1953

XFD-1
1945, prototypes.
Redesignated as XFH-1 in 1946.
BuNo.48235, 48236
2  
FD-1
1946, production version.
Redesignated as FH-1 in 1946.
BuNo.111749 / 111808
40 additional airframes cancelled.
60 Total: 062

RM
Base aircraft: Martin Model 404
First flight: 23/11/1946
Engines: 2 P&W Double Wasp R-2800 / 2400hp / Radial 18 / Air.
Type: Twin-engined staff transport for USCG.
In service: 1952 - ?

RM-1G
1952, later redesignated as RM-1Z.
Redesignated as VC-3A in 1962.
(USCG) 1282, 1283
- Both later to US Navy as:
BuNo. 158202, 158203

Total: 002

R6O Constitution
Base aircraft: Lockheed Model 89
First flight: 09/11/1946
Engines: 4 P&W Wasp Major R-4360 / 3500hp / Radial 28 / Air.
Type: 4-engined, double-deck transport for US Navy.
In service: 1946 - 1955

XR6O-1
1946, redesignated
as R6V-1 in 1950.
BuNo.85163, 85164

Total: 002

1962 Tri-Service Designation System

C-4 Academe
Base aircraft: Grumman Model G-159 Gulfstream I
First flight: 14/08/1958
Engines: 2 Rolls Royce Dart RDa.7 Mk.529 / 2190shp / 4-bladed Turboprop.
Type: Twin-engined utility aircraft for US Navy / USCG.
In service: (VC-4A) 1963 - 2001, (TC-4C) 1967 - 1995

VC-4A
1963, staff transport for USCG.
(USCG) 1380
- Later reserialled as 02, then 03.
1  
TC-4B - nav. trainer, was T-41A, 10 cancelled.
TC-4C
1967, crew trainer for US Navy.
BuNo.155722 / 155730
9 Total: 010

C-11
Base aircraft: Grumman Model G-1159 Gulfstream II
First flight: 02/10/1966
Engines: 2 Rolls Royce TF41-A (Spey Mk.511) / 11400lbst / Turbofan.
Type: Twin-engined, staff transport for USCG and US Army.
In service: 1969 - ?

VC-11A
(USCG) 1451
- Later reserialled as 01.
89-0266
- 1981, s/n assigned in 1989,
later redesignated as C-20J.

Total: 002

C-28
Base aircraft: Cessna Model 404 Titan
First flight: 26/02/1975
Engines: 2 Continental GTSIO / 375hp / Opposed 6 / Air.
Type: Twin-engined, light staff transport for US Navy.
In service: 1987 - 2001

C-28A
BuNo.163917, 164761

Total: 002

C-29
Base aircraft: (England) BAe-125 Series 800FI
First flight: 26/05/1983, (prototype: 13/08/1962)
Engines: 2 Garrett TFE731 / 8600lbst / Turbofan.
Type: Twin-engined, inspection transport for USAF.
In service: 1988 - 1991

C-29A
88-0269 / 88-0274

Total: 006

T-47
Base aircraft: Cessna Model 552 Citation II
First flight: 31/01/1977, (prototype: 15/09/1969)
Engines: 2 P&W Canada JT15D / 5000lbst / Turbofan.
Type: Twin-engined, radar trainer for US Navy.
In service: 1984 - 1990's

T-47A
BuNo.162755 / 162769

Total: 015

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