Six Seat General Reconnaissance Flying Boat.
Design: Saunders-Roe Design Team
Manufacturer: Saunders-Roe Aircraft Company
Powerplant: Four 560 hp (418 kW) Rolls-Royce Kestrel
VIII/IX V-12 inline piston engines.
Maximum speed: 145 mph (233 km/h)
@ 2,000 ft (610 m).
105 mph (169 km/h).
ceiling: 15,000 ft (4,572
Range: 1,000 miles (1,609 km)
with internal fuel.
Weight: Empty 18,420 lbs (8,355
kg) with a maximum take-off weight of 27,500 lbs (12,475
Dimensions: Span 27.43 m; length 23.16 m; height 7.19 m;
wing area 170.38 m2.
Armament: Three 7.7-mm Lewis
machine-guns with one in the nose, dorsal and tail positions plus up
to 907 kg of bombs.
Variants: S.5 Singapore Mk I, S.12 Singapore Mk II, S.19
Singapore Mk III.
History: First flight (prototype) July 1934; first delivery
(Mk III production) March 1935; last operation sorties October 1941.
Operators: United Kingdom (RAF