Development of the
Singapore's basic design began with the Mk I of 1926, and was followed
by the Mk II of 1930, which did not go into production. The Mk III was
Short's submission to Specification R.3/33 of which four development
aircraft were ordered and the first flew in July 1934. This batch
underwent trials at the Marine Aircraft Experimental Establishment,
Felixstowe, and, following the completion of these, a production order
was issued against a new specification, R.14/34. Contracts followed in
batches, and production ceased with the 37th aircraft in June 1937.
The four development
aircraft were delivered to squadrons for operational training, and the
first production Singapore Mk III flew in March 1935. Deliveries began
to No. 230 Squadron at Pembroke Dock in April 1935, and other Singapore
Mk Ills went to Nos 203, 205, 209 and 210 Squadrons.
were still in service at the outbreak of World War II with Nos. 203 and
205 Squadrons. The last operations were flown by No. 205 Squadron in
October 1941 before the squadron received the Consolidated Catalina.
No. 203 Squadron received Blenheims in March 1940 and other squadrons
received the Short Sunderland.
S.19 Singapore Mk III)
Type: Six Seat
General Reconnaissance Flying Boat
Saunders-Roe Design Team
Saunders-Roe Aircraft Company
560 hp (418 kW) Rolls-Royce Kestrel VIII/IX V-12 inline piston engines.
Maximum speed 145 mph (233 km/h) at 2,000 ft (610 m); cruising speed
105 mph (169 km/h); service ceiling 15,000 ft (4572 m).
miles (1609 km) with internal fuel.
18,420 lbs (8355 kg) with a maximum take-off weight of 27,500 lbs
90 ft 0 in (27.43 m); length 76 ft 0 in (23.16 m); height 23 ft 7 in
(7.19 m); wing area 1,834.0 sq ft (170.38 sq m).
7.7 mm (0.303 in) Lewis machine-guns with one in the nose, dorsal and
tail positions plus up to 2,000 lbs (907 kg) of bombs.
Singapore Mk I, S.12 Singapore Mk II, S.19 Singapore Mk III.
flight (prototype) July 1934; first delivery (Mk III production) March
1935; last operation sorties October 1941.
United Kingdom (RAF Coastal Command).