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History
Kingston projects

This table lists the V/STOL and STOVL projects of the Kingston-upon-Thames based design organisation of Hawker Aircraft, Hawker Siddeley Aviation and British Aerospace from 1957 to 1988. Excluded are projected variants of the P.1127 or P.1174 (single-seat and two-seat Harrier).

Prefixes: InitiallyP for project, later HS for Hawker Siddeley, reverting to P again under BAe.

Status: * = Schemed only, ** = Brochure(s) produced, *** = Model/tunnel tests. **** = Mock-up/rigs built, ***** = Prototype started.

Glossary: PCB = Plenum Chamber Burning, FSW = Forward Swept Wing, CFC = Carbon Fibre Composites, FBW = Fly By Wire, VG = Variable Geometry, OR = Operational requirement, AST = Air Staff Target, NST = Naval Staff Target

Project
Description
Engine
Status
Dates
Comments
Multiple lift engine VTOL strike aircraft
2 x Bristol Orpheus and 12 x RB.108
*
1957
Resembled SAAB Draken with horizontally retracted lift jets
P.1132
Multi-engined V/STOL or STOL strike aircraft
2 x Bristol BE.53.Tail mounted Napier Scorpion optional. STOL 4 x Orpheus
*
1958
Twin boom and single fuselage variants. twin boom version had inward exhausting nozzles
P.1136
Supersonic canard VTO fighter
1 x reheated cruise engine and 4 x RB.108 lift jets
*
1959
 
P.1137
Supersonic V/STOL fighter
7 x RB.153
*
1959
3 lift engines in forward fuselage, 2 lift/cruise engines in rear fuselage and 1 swivelling at each wing tip
P.1138
Mach 3 canard VTO naval fighter
6 x RB.153 and 3x RB153R or 4 x RB.153R
*
1959
 
P.1139
Subsonic V/STOL strike fighter
2 x RB.153 and 1 x RB.163-1
*
1960
RB.163 fitted with ventral exhaust deflector
P.1140
Supersonic V/STOL strike fighter
3 x RB.153 and 1 x RB.163-1R.
*
1960
Enlarged, supersonic P.1139
P.1141
Supersonic V/STOL strike fighter
1 x BE.53/11 RH
*
1960
Vectored/deflected thrust. Also VG version
P.1143
Supersonic V/STOL strike fighter
6 x RB.153 and 4 x RB.153R
*
1960
4 engines in tilting wing nacelles, 6 lift engines in fuselage
P.1144
Supersonic V/STOL strike fighter
6 RB.162 and 2 x RB.163RH
*
1960
 
P.1146
P.1144 development
6 RB.173 and 2 x RB.173RH
*
1960
 
P.1147
Naval fighter
4 x RB.162 and 2 x RB.173
*
1960-61
 
P.1148
P.1147 with variable sweep
4 x RB.162 and 2 x RB.173
*
1960-61
 
P.1149
Two seat, V/STOL, supersonic, VG strike aircraft
6 x RB.162 and 2 x RB168R
*
1961-62
Resembled Tornado with 6 lift engines on centreline
Supersonic, vectored thrust V/STOL fighter
1 x BE53/6, Pegasus 5/6 or BS100/9 with PCB
***
1961-65
P.1150/2 became P.1155, P.1150/3 renumbered P.1154
P.1151
Jet flap, two seat bomber
4 x ?
*
1961
To OR.346
P.1152
Two seat, V/STOL, variable incidence, bi-service strike fighter
1 x deflected thrust lift-cruise RB.177 with reheat and 4 or 8 x RB.162 lift jets
*
1961
To OR.346
P.1153
Two seat, deflected thrust bomber
 
*
1961
To OR.346
Supersonic, vectored thrust V/STOL, multi-role fighter. Single/two-seat combat versions, two-seat trainer
1 x BS.100/9 initially, BS.100/8 final standard. Twin Spey PCB projected
*****
1961-65
Originally to NATO AC/169, then Joint RAF/RN OR.356/AW406, finally to OR.356 and Spec. SR.250D&P
P.1155
Supersonic, vectored thrust plus lift engines V/STOL, multi-role fighter
1 x Pegasus 5 PCB and 2 x RB.162
*
1961-62
P.1150 with lift engines. Alternative for P.1154 to AC/169
P.1156
Subsonic vectored thrust V/STOL fighter
1 x Pegasus 5
*
1961
Similar to Kestrel with droop & trail nozzles
P.1157
Supersonic V/STOL drone
1 x RB.153
*
 
Engine in nose, vectoring exhaust beneath CG
P.1158
P.1155 development
2 x Pegasus 6 PCB
*
1962
 
P.1159
V/STOL NATO Fiat G-91 replacement
1 x BS.94/4 and 2x RB.162
*
1962
Also single engine and straight wing versions
P.1160
Missile armed supersonic interceptor
1 x Olympus 22R
*
 
Single engine in nose exhausting below CG. Crew in rear fuselage
P.1162
V/STOL NATO Fiat G-91 replacement
1 x Pegasus 5
*
   
P.1163
Vectored thrust strike fighter
1 x BS94/5, RB168-32 or RB.153 with PCB
*
1963
To German spec. VAK191
Lightweight V/STOL strike/reconnaissance fighter
1 x BS94/5
*
1963-64
Re-numbered P.1163. HS1170B two-seater with larger wings
HS.1175
Subsonic V/STOL vectored thrust plus lift engine fighter
1 x BS.53/103 and 1 x XJ99-RA-1
*
1967-69
Resembled enlarged Harrier
HS.1176
Harrier development
1 Pegasus 9, Pegasus 15 later
**
1966-69
Offered to USAF for
A-X specification
HS.1177
Supersonic V/STOL vectored thrust plus lift engine fighter
2 x Pegasus, 1 x BS 53/103 reheat and 1 x XJ99 or 2 x Spey with reheat
*
1965-67
Early versions were without XJ99
HS.1178
Subsonic vectored thrust V/STOL strike aircraft
PCB Pegasus
*
1967
 
Single/two seat V/STOL, STOL, CTOL or VG strike fighter
Numerous, including 1 x Pegasus 15 PCB or 2x RB.199
**
1968-69
Aimed at MRCA role. Non-V/STOL variants studied at Brough
HS.1180
Vectored thrust fighter
2 x Spey PCB
*
1965
Possible reduced cost version of P.1154
HS.1181
V/STOL aircraft
1 x Pegasus 9D and 2 x RB.202-10
*
   
HS.1184
Developed Harrier
Pegasus 15 or RB.422-06
***
1970-75
Later variants featured new, larger, wing and forward fuselage. To AST.396
Vectored thrust V/STOL supersonic fighter
Pegasus 15 PCB or RB.428-02
***
1970-74
To AST.396
HS.1186
Sunsonic vectored thrust V/STOL strike fighter
1 x Pegasus 16c
*
1970-71
Resembled enlarged HS.1184
HS.1187
Vectored thrust V/STOL fighter
1 or 2 x Pegasus 16c with PCB or 1 x PCB and reheat
*
1970
Several configurations
HS.1188
HSA-McAir HIPAAS Advanced Harrier
1x Pegasus 16
*
1970-71
 
STOL strike aircraft to AST 396
2 x engines with thrust diverters plus lift jet(s)
*
1972
Joint project with Brough
HS.1193
STOL slender delta fighter
1 x Pegasus 15 PCB
*
1973
 
HS.1198
Single engined, vectored thrust V/STOL fighter
1 x RB.406-04 variable cycle engine
*
1975
Single pair of Harrier type engine nozzles plus fan case exhausts
HS.1199
5 seat Harrier transport
1 x Pegasus
*
1975
Either all seats forward or 3 forward and 2 aft
Single engined, vectored thrust, supersonic STOVL fighter
1 x Pegasus 11 PCB
***
1976-79
To AST.403. Most variants had F-16 type inlet
P.1208
Subsonic vectored thrust STOVL fighter
1 x Pegasus 11-35
*
1978
P.1208-1 used Harrier configuration. P.1208-2 had chin intake, canards and FSW
P.1209
Vectored thrust STOVL demonstrator
1 x Pegasus 11F-33C
*
1978-79
Was P.1205 without CFC, FBW or operational equipment
P.1212
ASTOVL vectored thrust three nozzle, twin tail boom fighter
Pegasus 11 PCB or RB.422-48
***
1978-80
Main variant was 'notched delta' with twin booms. Also tail-less, tailed, canard, FSW and other layouts schemed
P.1213
ASTOVL vectored thrust four nozzle canard fighter
1 x Pegasus PCB
*
1978-79
Resembled canard P.1205
ASTOVL vectored thrust three nozzle fighter, FSW 'X-wing'
1 x Pegasus PCB or RB.422
*
1979-80 & 1984
 
ASTOVL vectored thrust single engined, 3 nozzle, twin boom fighter
1 x RB.422-48/-60, RB.532 or Pegasus 11 PCB
****
1980-87
Numerous variants, including naval, two-seat, two and three engined, conventional fuselage, subsonic, VG and AEW. To AST.410 & NST 6464
P.1217
ASTOVL fighter with RALS
1 x PW 78-01
*
1978
 
P.1218
Twin engine ASTOVL F-14/A-6 replacement
2 x P&W vectored thrust engine
*
1981
Tailed and canard versions as alternative to McDonnell Douglas MDC 279-4
P.1219
V/STOL fighter
1 x RB.422-60
*
1981-82
P.1216 with folding tail booms and no outboard wing
P.1220
Canard, V/STOL fighter
1 x RB.422-60
*
1982
Canard P.1216
P.1221
Lightweight, twin boom, vectored thrust three nozzle, ASTOVL fighter
1 x 0.71 scaled RB.422-60
*
1982-83
Small version of P.1216 with two F-18-style intakes
P.1222
Tandem fan ASTOVL fighter
1 x Rolls-Royce Hybrid Fan Vectored Thrust engine
*
1983
Canard with wingtip fins
P.1223
Augmented thrust ASTOVL fighter
 
*
1983
 
P.1224
Ramp launched, tail-sitting recovery unmanned fighter
Rolls-Royce Viper, Adour, Spey or General Electric CJ.610/J.85
*
1983-87
Various configurations
P.1226
Subsonic vectored thrust ASTOVL fighter
1 x RB.422 (non-PCB)
*
1984
P.1216-40 renumbered. P.1226-2 was 4 nozzle, FSW Harrier
Harrier II development
1 x Pegasus
*
1984-85
Bigger wing with integral tank/weapons module ahead of outriggers.
P.1228
Vectored thrust, supersonic canard naval V/STOL strike fighter
1 x PCB engine.
*
1985
To NST.6464. Resembled McDonnell-Douglas MDC 279-3
P.1229
Supersonic, four nozzle, vectored thrust V/STOL fighter
1 x RB.533 or Pegasus-type
*
1985
Engine was 'dry' - no PCB etc. fitted. To NST.6464
P.1230
Four nozzle, vectored thrust V/STOL fighter
1 x RB.422 or other four-poster PCB engine
**
1985-88
To NST.6464. Design by Brough/Kingston/ Warton team
P.1231
Supersonic Harrier II development
1 x Pegasus PCB
*
1985
 
P.1232
Sea Harrier/GR.Mk.5 development
1 x Pegasus
*
1985
Sea Harrier FRS.Mk.2 forward fuselage and wing with Harrier GR.Mk.5 rear fuselage
P.1237
ASTOVL with RALS
 
*
1986
 
P.1240
Stealth ASTOVL
1 x vectored thrust reverse engine installation
*
1987
Swept wing with tip fins
P.1241
Stealth ASTOVL with RALS
1 x RALS
*
1987
Delta wing, dorsal intake
P.1243
Ramp launched, tail-sitting recovery unmanned fighter
Williams turbofan
*
1988
Tail-less delta
P.1244
P.1227-3 development
1 x Pegasus
*
1988
 
P.1245
P.1231 without PCB
1 x Pegasus
*
1988
 
P.1246
P.1245 with PCB
1 x Pegasus PCB
*
1988
 

Projects outside numbering series

Project undertaken with McDonnell-Douglas, St. Louis.

AV-16
Subsonic (variants A, S1,S2,S3) or supersonic (S4,S5, S6,S7) vectored thrust V/STOL fighter
Pegasus 15 or Pegasus 15 PCB
***
1973-74
Variants of HS.1184/HS.1185 for US & UK. S7 was canard/FSW version.

Other designs produced by Kingston Project Office staff. Initial studies only.

Designer
Description
Date
RC Abel
Design study for two-seat P.1127 (four configurations)
1960
RM Braybrook
Supersonic VTO Strike Aircraft
 
 
VG Version of P.1127 Type Aircraft.
 
 
Supersonic VTOL Fighter. Exhaust Gas Driven Fans
 
 
Supersonic VTOL Fighter. Shaft Driven Exhaust Gas Fans
 
 
Supersonic VTOL Strike Fighter, 4 RB.189 lift & 2 RB.153
 
CFD Clarke
Twin Pegasus VTOL Strike Aircraft. 2 schemes
 
 
STOL Kestrel High Speed Development
 
JW Fozard
VTO A/C with Annular Jet and Jet Flap. BE 53 Engine
 
RS Williams
SP 105-1 STOL Strike Fighter. Pegasus 5 Lift/Thrust Turbofan
 
 
SP 110 series V/STOL Lift Engine Strike Fighter
 
 
SP 113 series Supersonic Land/Ship Based V/STOL Aircraft
1965-66
 
SP 115-1 Subsonic V/STOL Aircraft
1966

Designs produced by HSA Advanced Projects Group based at Kingston.

Description
Status
Date
PD 1017. VG, deflected thrust and lift jets
*
1962
Variants of APD 1022 with BS 100/3
*
 
Supersonic VTOL Fighter. Two Pegasus Engines with PCB
*
 

Further information can be found in the paper 'Beyond the Harrier: Kingston V/STOL Projects 1957-1988', available from the Society of Automotive Engineers.

Sources:

Compiled by Michael Pryce, derived from a full list of Kingston projects provided by C.J. Farara at Brooklands Museum. Additional material from Tony Buttler. Further details of many of these projects can be found in Tony's excellent books British Secret Projects: Jet Fighters since 1950 and Jet Bombers since 1949. Both can be ordered online from Amazon - use the box below to check them out.

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