Sikorsky

Sikorsky HNS (R-4)

Transport

  • First flight1942
  • Introduction5 January 1943
  • Number built131
Technical data

Specifications

01

Crew & dimensions

Crew
2
Length
48 ft 1 in
Height
12 ft 5 in
02

Performance

Maximum speed
75 mph
Range
130 mi
Service ceiling
8,000 ft
03

Powerplant

Powerplant
1 × Warner R-550-1 7-cylinder air-cooled radial piston engine (185 hp)
04

Developed from

Developed from
Vought-Sikorsky VS-300

Helicopter 1

SR 1942 American helicopters Sikorsky R-4 The world's first mass-produced helicopter Sikorsky · United States→