Technical Specifications and Information

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VC-121E - "Columbine II and III" - Lockheed C-121 Constellations

Columbine National Museum of the United States Air Force

The Columbine III is currently located inside the Presidential Hangar, National Museum of the United States Air Force, Wright-Patterson Air Force Base, Dayton, Ohio, (1966).

General Characteristics:

Manufacturer:
Lockheed Corporation

Crew Capacity:
5 flight crew, varying cabin crew

Passenger Capacity:
Typically 62-95 passengers
(109 in high-density configuration)

Length:
116 ft 2 in (35.42 m)

Wingspan:
126 ft 2 in (38.47 m)

Height:
24 ft 9 in (7.54 m)

Wing area:
1,654 ft2 (153.7 m2)

Empty weight:
79,700 lbs (36,150 kgs)

Useful load:
65,300 lbs (29,620 kgs)

Max takeoff weight:
137,500 lbs (62,370kgs)

Powerplant: 4x Wright R-3350-DA3 Turbo Compound 18-cylinder supercharged radial engines, 3,250 hp (2,424 kW) each

Performance Characteristics:

Maximum speed:
377 mph (327 kn, 607 km/h)

Cruise speed:
340 mph (295 kn, 547 km/h) at 22,600 ft (6,890 m)

Stall speed:
100 mph (87 kn, 160 km/h)

Range:
5,400 mi (4,700 nmi, 8,700 km)

Service ceiling:
24,000 ft (7,620 m)

Rate of climb:
1,620 ft/min (8.23 m/s)

Wing loading:
87.7 lb/ft2 (428 kg/m2)

Power/mass:
0.094 hp/lb (155 W/kg)