Avro 642/4m

Specifications

1st Flight 1934

Crew: two

Capacity: 16 passengers

Length: 54 ft 6 in (16.62 m)

Wingspan: 71 ft 3 in (21.72 m)

Height: 11 ft 6 in (3.51 m)

Wing area: 728 sq ft (67.7 m2)

Empty weight: 7,360 lb (3,345 kg)

Gross weight: 11,800 lb (5,363 kg)

Powerplant: 2 × Armstrong Siddeley Jaguar IVD , 450 hp (336 kW) each

Performance

Maximum speed: 160 mph (258 km/h, 140 kn)

Range: 600 mi (970 km, 520 nmi)

Service ceiling: 15,500 ft (4,275 m)

Rate of climb: 970 ft/min (4.9 m/s)

Variants

The Avro 642 Eighteen was a 1930s British monoplane airliner.

Only two were built — one twin-engined and the other four-engined.

642/2m – Two 450 hp (336 kW) Armstrong Siddeley Jaguar VID engines mounted on the wings, one built.

642/4m – Four 215 hp (160 kW) Armstrong Siddeley Lynx engines, one built.

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