British Military Aircraft Designations - W

Supermarine Walrus

Model Engine(s) Crew Other
Mk I

Seagull Mk V
Mk II


Westland Wapiti

Model Engine(s) Crew Other
Mk I 1 Bristol Jupiter VI

Mk IA 1 Bristol Jupiter VIIIF

Mk IB 1 Bristol Jupiter VIIIF or 1 Armstrong Siddeley Panther

Mk II 1 Bristol Jupiter VI

Mk IIA 1 Bristol Jupiter VI

Mk III 1 Armstrong Siddeley Jaguar VI

Mk IV 1 Bristol Jupiter VIIIF
cancelled
Mk V 1 Bristol Jupiter VIIIF

Mk VI 1 Bristol Jupiter VI

Mk VII 1 Bristol Jupiter VI

Mk VIII 1 Armstrong Siddeley Jaguar VI

Foster Wikner Warferry

Model Engine(s) Crew Other

1

Vickers Warwick

Model Engine(s) Crew Other
ASR Mk I


B Mk I


C Mk I


B Mk II


GR Mk II


GR Mk II Met


C Mk III


GR Mk V


ASR Mk VI


Boeing Washington

Model Engine(s) Crew Other
Mk 1 4 Wright R-3350 Cyclone

Westland Wasp

Model Engine(s) Crew Other
HAS Mk 1

Sea Scout HAS Mk 1

Westland Welkin

Model Engine(s) Crew Other
Mk I 2 Rolls-Royce Merlin 72/73 or Rolls-Royce Merlin 76/77 Vee 1
NF Mk II 2 Rolls-Royce Merlin 72/73 or Rolls-Royce Merlin 76/77 Vee 1

Vickers Wellesley

Model Engine(s) Crew Other
Mk I 1 Bristol Pegasus XX 2

Vickers Wellington

Model Engine(s) Crew Other
Mk I


Mk IA


Mk IC


DWI Mk I


Mk II


B Mk II


DWI Mk II


Mk III


B Mk III


Mk IV


B Mk IV


Mk V


Mk VI


Mk VIG


B Mk VI


GR Mk VIII


Mk IX


Mk X


B Mk X


T Mk 10


GR Mk XI


GR Mk XII


GR Mk XIII


GR Mk XIV


C Mk XV


C Mk XVI


T Mk XVII


T Mk XVIII


T Mk XIX


Westland Wessex

Model Engine(s) Crew Other
HAS Mk 1 2 Napier Gazelle Mk 161

HC Mk 2 2 Bristol Siddeley Gnome Mk 110/Mk 111

HAS Mk 3 2 Napier Gazelle Mk 165

HCC Mk 4 2 Bristol Siddeley Gnome Mk 110/Mk 111

HU Mk 5 2 Bristol Siddeley Gnome Mk 110/Mk 111

HC Mk 5C 2 Bristol Siddeley Gnome Mk 110/Mk 111

HAS Mk 31 2 Napier Gazelle Mk 162
for Royal Australian Navy
HAS Mk 31B 2 Napier Gazelle Mk 162
for Royal Australian Navy
Mk 52 2 Bristol Siddeley Gnome Mk 110/Mk 111
for Iraqi Air Force
Mk 53 2 Bristol Siddeley Gnome Mk 110/Mk 111
for Ghana Air Force
Mk 54 2 Bristol Siddeley Gnome Mk 110/Mk 111
for Brunei
Mk 60 2 Bristol Siddeley Gnome Mk 110/Mk 111

Westland Whirlwind

Model Engine(s) Crew Other
Mk I 2 Rolls-Royce Peregrine

Mk IA 2 Rolls-Royce Peregrine

Westland Whirlwind

Model Engine(s) Crew Other
HAR Mk 1 1 Pratt & Whitney R-1340-40 Wasp

HAR Mk 2 1 Pratt & Whitney R-1340-40 Wasp

HAR Mk 3 1 Wright R-1300-3

HAR Mk 4 1 Pratt & Whitney R-1340-57 Wasp

HAR Mk 5 1 Alvis Leonides Mk 155 or Mk 755

HAS Mk 7 1 Alvis Leonides Mk 155 or Mk 755

HCC Mk 8 1 Alvis Leonides Major Mk 160

HAR Mk 9 1 Bristol Siddeley Gnome H.1000

HAR Mk 10 1 Bristol Siddeley Gnome H.1000

HAR Mk 12 1 Bristol Siddeley Gnome H.1400

HAR Mk 21 1 Pratt & Whitney R-1340-40 Wasp

HAR Mk 22 1 Wright R-1300-3

Armstrong Whitworth Whitley

Model Engine(s) Crew Other
Mk I 2 Armstrong Siddeley Tiger XI 5
Mk II 2 Armstrong Siddeley Tiger VIII 5
Mk III 2 Armstrong Siddeley Tiger VIII 5
Mk IV 2 Rolls-Royce Merlin IV 5
Mk IVA 2 Rolls-Royce Merlin X 5
Mk V 2 Rolls-Royce Merlin X 5
Mk VI 2 Pratt & Whitney 5 cancelled
Mk VII 2 Rolls-Royce Merlin X 5

Westland Widgeon

Model Engine(s) Crew Other
Mk I 1 Blackburne Thrush

Mk II 1 Armstrong Siddeley Genet

Mk III 1 Armstrong Siddeley Genet II or 1 Cirrus Hermes II or 1 de Havilland Gipsy I

Mk IIIA 1 Armstrong Siddeley Genet II or 1 Cirrus Hermes II or 1 de Havilland Gipsy I

Grumman Wildcat

Model Engine(s) Crew Other
Mk I

Martlet Mk I
Mk II

Martlet Mk II
Mk III

Martlet Mk III
Mk IV 1 Pratt & Whitney R-1830-86 Twin Wasp 1 Martlet Mk IV, F4F-4
Mk V 1 Pratt & Whitney R-1830-86 Twin Wasp 1 Martlet Mk V, FM-1
Mk VI 1 Wright R-1820 Cyclone 1 FM-2

Hawker Woodcock

Model Engine(s) Crew Other
Mk I


Mk II


Westland Wyvern

Model Engine(s) Crew Other
TF Mk 1 1 Rolls-Royce Eagle 1
TF Mk 2 1 Armstrong Siddeley Python 1
T Mk 3 1 Armstrong Siddeley Python 2
S Mk 4 1 Armstrong Siddeley Python 1 TF Mk 4
TF Mk 4 1 Armstrong Siddeley Python 1 S Mk 4