Martin

Martin Maryland

Attack aircraft

  • First flight1939
  • Introduction1940
  • StatusRetired
  • Number built450
Technical data

Specifications

01

Crew & dimensions

Crew
three (pilot, navigator/bomb aimer/gunner, and radio operator/gunner)
Length
14.2 m (46 ft 8 in)
Wingspan
18.7 m (61 ft 4 in)
Height
5.0 m (16 ft 3 in)
02

Performance

Maximum speed
489 km/h (304 mph)
Range
2,100 km (1,300 mi)
Service ceiling
29,500 ft
03

Powerplant

Powerplant
2 × Pratt & Whitney R-1830-S1C3-G Twin Wasp radial engines (1,050 hp)
04

Armament

Armament
Guns: 4 × 303 British,.303 in Browning Model 1919 machine gun, Browning Mk II machine guns in outer wings with 750 rpg, 1 ×.303 in Vickers K machine gun in a dorsal step position with 5 × 97-round magazines, 1 ×.303 in Vickers K machine gun in a ventral step position with 5 × 97-round magazines; Bombs: 2,000 lb (907 kg) internally; (usually 4 × 500 lb (227 kg) bombs)

Engines 1

R-1830 R-1830 Piston engines Pratt & Whitney R-1830 Twin Wasp Twin-row radial engine built in very large numbers during the Second World War. Pratt & Whitney · United States→