page_title: Boeing X-40
section_title: Specifications (X-40)
hierarchical_section_title: Boeing X-40 / Specifications (X-40)
caption_attribution_description: w:Boeing X-40A on display at the w:National Museum of the United States Air Force
context_page_description: The Boeing X-40A Space Maneuver Vehicle was a test platform for the X-37 Future-X Reusable Launch Vehicle.
context_section_description: General characteristics
  Length: 21 ft (6.4 m)
  Wingspan: 11 ft (3.4 m)
  Height: 7 ft 6 in (2.29 m)
  Empty weight: 2,500 lb (1,134 kg)
  Useful load: 1,200 lb (540 kg)
  Performance
  Maximum speed: 300 mph (480 km/h, 260 kn)
  Avionics
  Honeywell 12-channel Space Integrated GPS/INS (SIGI) system
caption: X-40A on display at the National Museum of the United States Air Force
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