Supermarine Southampton

Reconnaissance Flying Boat

Supermarine Southampton I, ex Royal AF, N9899, Royal Air Force Museum London-Hen © Karsten Palt
Photo ©: Karsten Palt
The Supermarine Southampton is a twin-engined two- or three-seat reconnaissance biplane flying boat produced by the British manufacturer Supermarine Aviation Works Ltd.
The Southampton Mk I was constructed with a wooden hull. The Southampton Mk II and Mk III had a hull made of metal (duralumin).
Crew2 / 3
Propulsion2 Piston Engines
Engine ModelNapier Lion VA
Engine Power (each)373 kW500 hp
Speed174 km/h94 kts
  108 mph
Service Ceiling4.267 m14.000 ft
Range1.496 km808 NM
930 mi.
Empty Weight4.082 kg9.000 lbs
max. Takeoff Weight6.895 kg15.200 lbs
Wing Span22,86 m75 ft 0 in
Wing Area134,6 m1449 ft
Length15,58 m51 ft 1 in
Height6,82 m22 ft 5 in
First Flight10.03.1925
Production Statusout of production
Total Production83
Developed fromSupermarine Swan
Data for (Version)Supermarine Southampton II
VariantsSouthampton Mk I, Mk II, Mk III

[Photo-ID: 1263] Karsten Palt 2008-07-16
Supermarine Southampton I, Royal Air Force, N9899, c/n , Karsten Palt, 2008Supermarine
Southampton I
Royal Air Force
Reg.: N9899
displayed without wings, worlds only surviving
Royal Air Force Museum [London-Hendon]