Type: seven-seat heavy bomber

Powerplant: (Mk I): four 1,640-hp (1223-kW) Rolls-Royce Merlin 24 inline piston engines

Perfomance :
maximum speed 287 mph (462 km/h) at 11,500 ft (3505 m)
cruising speed : 210 mph (338 km/h) at 20,000 ft (6100 m);
service ceiling 24,500 ft (7468 m)
range : 2,530 miles (4072 km) with 7,000 lb (3175 kg)

Bombload Weights:
empty 36,900 lb (16738 kg);
maximum take-off 70,000 lb (31751 kg)

Dimensions:
span 102 ft 0 in (31.09 m2);
length 69 ft 6 in (21.18 m);
height 20 ft 0 in (6.10 m);
wing area 1,297 sq ft (120.49 m2)

Armament: eight 0.303 in (7.7-mm) machine-guns (two each in nose and dorsal turrets, and four in tail turret), plus bomb load comprising one 22,000-lb (9979-kg) bomb or up to 14,000 lb (6350 kg) of smaller bombs