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Boeing 307




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The Boeing Model 307 Stratoliner was the first commercial transport Aircraft with a pressurized cabin. This feature allowed the plane to cruise at an altitude of 20,000 feet (6,000 m), well above Weather disturbances. The Model 307 had capacity for a crew of five and 33 passengers. The cabin was nearly 12 feet across. It was the first plane to include a flight engineer as a crew member.

A total of 10 Stratoliners were built. The first flight was on December 31 , 1938 . By 1940 it was flying routes between Los Angeles and New York , as well as to locations in Latin America . Multi-millionaire Howard Hughes purchased a model for his personal use, and had it transformed into a luxurious "flying penthouse".

The only surviving Boeing Model 307 (NC19903) is on display at the Smithsonian Museum's Steven F. Udvar-Hazy Center . It arrived at IAD on 6 Aug 2003 after flying cross-country from Seattle via Oshkosh, WI. At IAD it made a high speed pass, circled around and landed for the last time.


SPECIFICATIONS (BOEING 307)


General characteristics

  • Crew: three, two pilots and flight engineer

  • Capacity: 33 passengers

  • Length: 74 ft 4 in (22.66 m)

  • Wingspan: 107 ft 0 in (32.61 m)

  • Height: 20 ft 10 in (6.34 m)

  • Wing area: 1,486 ft² (138.0 m²)

  • Empty: 30,000 lb (13,608 kg)

  • Loaded: 42,000 lb (19,050 kg)

  • Maximum takeoff: lb ( kg)

  • Powerplant:Wright GR-1820 radials, 900 hp (671 kW) each



Performance

  • Maximum Speed: 246 mph (396 km/h)

  • Range: 2,390 miles (3,846 km)

  • Service ceiling: 26,200 ft (7,985 m)

  • Rate of climb: ft/min ( m/min)

  • Wing loading: 28 lb/ft² (138 kg/m²)

  • Power/mass: 0.09 hp/lb (140 W/kg)



MILITARY OPERATORS

  • Haiti, United States.



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