Airspeed AS.10 Oxford

The Airspeed AS.10 Oxford was a twin-engine monoplane aircraft.

It saw widespread use for training British Commonwealth aircrews in navigation, radio-operating, bombing and gunnery roles throughout the Second World War.

Variants

AS.10 Oxford I

The first Mark I flew on 19 June 1937 and entered service with the Central Flying School in November of that year. By the start of the war, about 300 Mk I Oxfords were in service with the RAF, while a number were also being used by the Royal New Zealand Air Force to train pilots for the RAF.

AS.10 Oxford II

The second planned version was the Oxford II, it didn’t have a turret but had dual controls so it could be used as an advanced pilot trainer as well as training for navigators and radio operators.

At the start of the second world war 70 were in service.

AS.10 Oxford III

Powered by two Cheetah XV engines with 425 hp (315 kW) and Rotol constant-speed propellers, used for navigation and radio training.

AS.10 Oxford IV

Flying test-bed for de Havilland Gipsy Queen IV engines.

Oxford T.II

Only 9 of these were built, eight of them being conversions of Mk Is.

AS.40 Oxford

Civil conversion for radio research, two built.

AS.41 Oxford

Used by Miles Aircraft as a flying test-bed for Alvis Leonides engine, one conversion.

AS.42 Oxford

Oxford I to meet Specification T.39/37 for New Zealand.

AS.43 Oxford

Survey variant of the AS.42

AS.46 Oxford V

The final variant, upgraded to Pratt & Whitney R-985 radial engines with 450 hp (335 kW) and Hamilton-Standard variable-pitch propellers.

Many Mark I and II Oxfords were upgraded to the Mark V standard.

Specifications

Crew

1 pilot

Capacity

6 passengers

Length

34 ft 6 in (10.52 m)

Wingspan

52 ft 4 in (15.95 m)

Height

9 ft 6 in (2.90 m)

Wing area

339 sq ft (31.5 m2)

Empty weight

4,057 lb (1,840 kg)

Gross weight

6,300 lb (2,858 kg)

Powerplant

2 × Armstrong Siddeley Cheetah IX seven-cylinder radial engine, 345 hp (257 kW) each

Performance

Maximum speed

210 mph (340 km/h, 180 kn) at 7,300 ft (2,230 m)

Cruise speed

192 mph (309 km/h, 167 kn) at 75% power and 7,300 ft (2,230 m)

Range

650 mi (1,050 km, 560 nmi) at 62.5% power and 10,000 ft (3,050 m)

Service ceiling

22,500 ft (6,900 m) service

Time to altitude

10,000 ft (3,050 m), 8 min

Wing loading

18.6 lb/sq ft (91 kg/m2)

Power/mass

0.11 hp/lb (0.18 kW/kg).

 

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