Lockheed C-5 Galaxy - Specifications (C-5B)

Specifications (C-5B)

Data from Quest for Performance, International Directory of Military Aircraft, and USAF fact sheet

General characteristics

• Crew: 8 typical (pilot, first pilot, 1st Officer, two flight engineers, three loadmasters)
  4 minimum (pilot, copilot, two flight engineers)
• Payload: 270,000 lb (122,470 kg)
• Length: 247 ft 1 in (75.31 m)
• Wingspan: 222 ft 9 in (67.89 m)
• Height: 65 ft 1 in (19.84 m)
• Wing area: 6,200 ft2 (576 m2)
• Empty weight: 380,000 lb (172,370 kg)
• Loaded weight: 769,000 lb (348,800 kg)
• Max. takeoff weight: 840,000 lb (381,000 kg)
• Powerplant: 4 × General Electric TF39-GE-1C high-bypass turbofan, 43,000 lbf (190 kN) each

Performance

• Maximum speed: Mach 0.79 (503 kn, 579 mph, 932 km/h)
• Cruise speed: Mach 0.77 (919 km/h)
• Range: 2,400 nmi (2,760 mi, 4,440 km) with a 263,200 lb (119,400 kg) payload
• Service ceiling: 35,700 ft (10,600 m) at 615,000 lb (279,000 kg) gross weight
• Rate of climb: 1,800 ft/min (9.14 m/s)
• Wing loading: 120 lb/ft2 (610 kg/m2)
• Thrust/weight: 0.22
  
• Takeoff roll: 8,400 ft (2,600 m)
• Landing roll: 3,600 ft (1,100 m)
• Fuel capacity: 51,150 US gal (193,600 L)