page_title: Lockheed L-749 Constellation
section_title: Specifications (L-749)
hierarchical_section_title: Lockheed L-749 Constellation / Specifications (L-749)
context_page_description: The Lockheed L-749 Constellation is the first Lockheed Constellation to regularly cross the Atlantic Ocean non-stop. Although similar in appearance to the L-649 before it, the L-749 had a larger fuel capacity, strengthened landing gear, and eventually weather radar.
context_section_description: Data from American Museum of Aviation.
  General characteristics
  Crew: 6-8 (pilot, copilot, radio operator, engineer, and 2-4 flight attendants)
  Capacity: 60-81 passengers
  Length: 97 ft 4 in (29.67 m)
  Wingspan: 123 ft (37 m)
  Height: 22 ft 5 in (6.83 m)
  Wing area: 1,650 sq ft (153 m²)
  Aspect ratio: 9.17
  Airfoil: root: NACA 23018; tip: NACA 4412
  Empty weight: 56,590 lb (25,669 kg)
  Max takeoff weight: 107,000 lb (48,534 kg)
  Powerplant: 4 × Wright R-3350-749C18BD-1 Duplex-Cyclone 18-cylinder air-cooled radial piston engines, 2,500 hp (1,900 kW)  each
  Propellers: 3-bladed constant-speed fully feathering propellers
  Performance
  Cruise speed: 345 mph (555 km/h, 300 kn)
  Range: 4,995 mi (8,039 km, 4,341 nmi) maximum fuel
  2,600 mi (2,259 nmi; 4,184 km) maximum payload
  Service ceiling: 24,100 ft (7,300 m)
caption: The cockpit of an L-749
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