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United States Army Aviation Museum, Ozark Alabama
Hiller OH-23B 'Raven' SN: 51-16142

Description
  Manufacturer:Hiller
  Base model:H-23
  Designation:OH-23
  Version:B
  Nickname:Raven
  Equivalent to: HTE-2 H-12B
  Designation System:U.S. Air Force
  Designation Period:1948-Present
  Basic role:Helicopter
  Modified Mission:Observation
  See Also:
  Serial/Bureau Number:51-16142
  Location:United States Army Aviation Museum, Ozark Alabama

Specifications
  Length: 26' 6" 8.0 m
  Height:9' 10" 3.0 m
  Wingspan: 35' 0" 10.6 m
  Empty Weight: 1,568 lb 711 kg
  Gross Weight: 2,500 lb 1,133 kg

Propulsion
  No. of Engines: 1
  Powerplant: Franklin O-335-6
  Horsepower (each): 200

Performance
  Range: 135 miles 217 km
  Cruise Speed: 70 mph 112 km/h 60 kt
  Max Speed: 84 mph 135 km/h 72 kt
  Climb: 770 ft/min 234 m/min
  Ceiling: 9,400 ft 2,865 m