Sikorsky

Sikorsky HO4S (S-55)

Transport/SAR

  • First flight1949
  • Introduction16 April 1950 (U.S. Air Force)
  • Number built94
Technical data

Specifications

01

Crew & dimensions

Crew
2
Length
42 ft 2 in
Height
13 ft 4 in
02

Performance

Maximum speed
101 mph
Range
450 mi
Service ceiling
10,500 ft
03

Powerplant

Powerplant
1 × Pratt & Whitney R-1340-57 9-cylinder air-cooled radial piston engine (600 hp)

Engines 1

R-1340 1925 R-1340 Piston engines Pratt & Whitney R-1340 Wasp The first Pratt & Whitney engine, the start of the famous Wasp series. Pratt & Whitney · United States→