page_title: Ryan YQM-98 R-Tern
section_title: Specifications (Compass Cope R) (performance estimated)
hierarchical_section_title: Ryan YQM-98 R-Tern / Specifications (Compass Cope R) (performance estimated)
caption_attribution_description: English: A YQM-98A drone, Ryan Aeronautical's unsuccessful entry in the USAF's Compass Cope competition. This example, serial number 72-1872, is depicted at the Pima Air &amp; Space Museum in Tucson, Arizona on outdoor display with its engine removed. It was subsequently placed in storage at the National Museum of the United States Air Force in Dayton, Ohio.
context_page_description: The Ryan YQM-98 R-Tern was a developmental aerial reconnaissance drone developed by Ryan Aeronautical. It could take off and land from a runway like a manned aircraft, and operate at high altitudes for up to 24 hours to perform surveillance, communications relay, or atmospheric sampling.
context_section_description: Data from Jane's All The World's Aircraft 1976–77
  General characteristics
  Crew: None
  Length: 38 ft 4 in (11.68 m)
  Wingspan: 81 ft 2.5 in (24.75 m)
  Height: 8 ft 0 in (2.44 m)
  Wing area: 347 sq ft (32.24 m²)
  Aspect ratio: 19:1
  Empty weight: 5,600 lb (2,540 kg)
  Gross weight: 14,310 lb (6,490 kg)
  Powerplant: 1 × Garrett YF104-GA-100 , 4,000 lbf (18 kN) thrust
  Performance
  Maximum speed: Mach 0.6
  Endurance: 30 hours
caption: Preserved YQM-98A on display without its engine at the Pima Air & Space Museum.
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