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Sikorsky YCH-53A 'Sea Stallion'

Description
Notes: Cargo/troop transport used for amphibious assault and shore operations with 6-BLADE main rotor (3 CREW) .
  Manufacturer:Sikorsky
  Base model:H-53
  Designation:YCH-53
  Version:A
  Nickname:Sea Stallion
  Designation System:U.S. Air Force
  Designation Period:1948-Present
  Basic role:Helicopter
  Modified Mission:Transport
  Status:Prototype

Specifications
  Length: 88' 2" 26.8 m
  Height:17' 1" 5.2 m
  Wingspan: 72' 3" 22.0 m
  Empty Weight: 22,900 lb 10,385 kg
  Gross Weight: 42,000 lb 19,047 kg

Propulsion
  No. of Engines: 2
  Powerplant: General Electric T64-GE-413
  Horsepower (each): 3925

Performance
  Range: 257 miles 413 km
  Cruise Speed: 173 mph 278 km/h 150 kt
  Max Speed: 196 mph 315 km/h 170 kt
  Ceiling: 21,000 ft 6,400 m