British Military Aircraft Designations - A

Bell Airacobra

Model Engine(s) Crew Other
Mk I 1 Allison V-1410-35 1 Caribou Mk I, P-39D
Mk IA 1 Allison V-1410-35 1 P-39D

Fairey Albacore

Model Engine(s) Crew Other
Mk I 1 Bristol Taurus II or Taurus XII 3 TB Mk I
TB Mk I 1 Bristol Taurus II or Taurus XII 3 Mk I

Armstrong Whitworth Albemarle

Model Engine(s) Crew Other
Mk I 2 Bristol Hercules XI 4
GT Mk I 2 Bristol Hercules XI 4 General Transport
ST Mk I 2 Bristol Hercules XI 4 Special Transport
Mk II 2 Bristol Hercules XI 4
GT Mk II 2 Bristol Hercules XI 4
ST Mk II 2 Bristol Hercules XI 4
Mk III 2 Rolls-Royce Merlin III 4
Mk IV 2 Wright R-2600 Double Cyclone 4
Mk V 2 Bristol Hercules XI 4
ST Mk V 2 Bristol Hercules XI 4
GT Mk VI 2 Bristol Hercules XI 4
ST Mk VI 2 Bristol Hercules XI 4

Avro Aldershot

Model Engine(s) Crew Other
Mk I 1

Mk II 1

Mk III 1 Rolls-Royce Condor III 3
Mk IV 1

Hawker Siddeley/British Aerospace Andover

Model Engine(s) Crew Other
C Mk 1 2 Rolls-Royce Dart Mk 201C

C Mk 1(PR) 2 Rolls-Royce Dart Mk 201C

CC Mk 1 2 Rolls-Royce Dart

CC Mk 2 2 Rolls-Royce Dart

E Mk 3 2 Rolls-Royce Dart

E Mk 3A 2 Rolls-Royce Dart

Avro Anson

Model Engine(s) Crew Other
Mk I 2 Armstrong Siddeley Cheetah IX 4
Mk II 2 Jacobs L-6 5 for Royal Canadian Air Force, USAAF, AT-20
Mk III 2 Jacobs L-6
for Royal Canadian Air Force
Mk IV 2 Wright R-975-E3 Whirlwind

Mk V 2 Pratt & Whitney R-985-AN-12B/14B Wasp Junior
for Royal Canadian Air Force
Mk VI 2 Pratt & Whitney R-985-AN-12B/14B Wasp Junior

Mk VII 2
cancelled
Mk VIII 2
cancelled
Mk IX 2
cancelled
Mk X 2 Armstrong Siddeley Cheetah IX

Mk XI 2 Armstrong Siddeley Cheetah XIX

Mk XII 2 Armstrong Siddeley Cheetah XV

Mk XIII 2 Armstrong Siddeley Cheetah XI or XIX
cancelled
Mk XIV 2 Armstrong Siddeley Cheetah XV
cancelled
Mk XV 2 Armstrong Siddeley Cheetah XI or XIX
cancelled
Mk XVI 2 Armstrong Siddeley Cheetah XV
cancelled
C Mk 19 2 Armstrong Siddeley Cheetah XIX

T Mk 20 2 Armstrong Siddeley Cheetah XIX

C Mk 21 2 Armstrong Siddeley Cheetah XIX

T Mk 21 2 Armstrong Siddeley Cheetah XIX

T Mk 22 2 Armstrong Siddeley Cheetah XIX

Westland Apache

Model Engine(s) Crew Other
AH Mk 1 2 Rolls-Royce/Turboméca RTM322 2 AH-64D

Fairchild Argus

Model Engine(s) Crew Other
Mk I


Mk II


Mk III


Avro Athena

Model Engine(s) Crew Other
T Mk 1 1 Armstrong Siddeley Mamba 2
T Mk 2 1 Rolls-Royce Merlin 35 2

Supermarine Attacker

Model Engine(s) Crew Other
F Mk 1 1 Rolls-Royce Nene 101 1
FB Mk 1 1 Rolls-Royce Nene 101 1
FB Mk 2 1 Rolls-Royce Nene 102 1

Taylorcraft Auster

Model Engine(s) Crew Other
Mk I 1 Cirrus Minor 1

Mk II 1 Lycoming O-290

Mk III 1 de Havilland Gipsy Major I

Mk IV 1 Lycoming O-290

Mk V 1 Lycoming O-290-3

Grumman Avenger

Model Engine(s) Crew Other
Mk I 1 Wright R-2600-8 Cyclone 3 Tarpon Mk I, TBF-1B
Mk II


Mk III


AS Mk 4


AS Mk 5