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Martin B-57 Canberra

The Martin B-57 Canberra was a twin jet engine, light bomber and reconnaissance aircraft (photographic, electronics, and meteorological) which entered service in the 1950s. Originally based on the British English Electric Canberra, the US-built B-57 had evolved into several unique variants.
Type: Bomber
Crew: 2
Manufacturer: Martin
Models: see variants
   Maiden flight: July 20, 1953
Service Delivery: 1954
Number built: 403
Specifications: B-57B Canberra
Powerplant:
  Model: Wright J65-W-5
  Type: Turbojet
  Number: Two
  Thrust: 7,220 lb
Dimensions:
  Length: 65 ft 6 in (20.0 m)
  Wingspan: 64 ft 0 in (19.5 m)
  Height: 14 ft 10 in (4.52 m)
  Wing area: 960 ft² (89 m²)

Weights:
  Empty: 27,090 lb (12,285 kg)
  Loaded: 40,345 lb (18,300 kg)
  Max takeoff: 53,720 lb (24,365 kg)

Avionics
  – APW-11 Bombing Air Radar Guidance
     System
  – SHORAN bombing system
  – APS-54 Radar Warning Receiver

   Performance:
  Maximum speed: 598 mph (960 kph)
  Cruise Speed: 476 mph (765 kph)
  Stall Speed: 124 mph (200 kph)
  Combat Radius: 950 mi (1,530 km)
  Ferry Range: 2,720 mi (4,380 km)
  Service ceiling: 45,100 ft (13,745 m)
  Rate of climb: 6,180 ft/min (31.4 m/s)
  Wing loading: 42 lb/ft² (205 kg/m²)
  Thrust/weight: 0.36
Armament:
4× 20 mm M39 cannon
– Ammunition: 290 rounds/gun

 Bombload:
  – 4,500 lb (2,000 kg) in bomb bay,
     including nuclear bombs
  – 2,800 lb (1,300 kg) on four external
     hardpoints, including unguided rockets
Sources:
Wikipedia: B-57 Canberra
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