Sikorsky XH-39
Sikorsky Aircraft · United States · first flew 1954 · helicopter
The Sikorsky XH-39, company designation S-59, was developed by Sikorsky Aircraft in 1954. It was the first turbine-powered helicopter of the United States Army.
Recognition (WEFT)
| W — Wings | High-mounted, rotary |
|---|---|
| E — Engines | 1 × turboshaft, fuselage-mounted |
| F — Fuselage | 12.5 m fuselage |
| T — Tail | Conventional |
WEFT is AircraftIQ's four-point recognition method — how it works.
Spot it by:
- Single main rotor of about 10.7 m
- Single turboshaft engine
- Compact cabin for a pilot and three passengers
It is a single-rotor helicopter with one turbine engine of 400 shp. It carries a crew of one and up to three passengers.
Specifications
- The Sikorsky XH-39 has a length of 12.5 m (41 ft).
- It has a wingspan of 10.67 m (35 ft).
- Its maximum speed is 251 km/h (156 mph).
- Typical crew: 1.
Figures are for the representative variant described above; marks differ. See how AircraftIQ sources figures.
History
It was developed from the Sikorsky S-52 and first flew on 26 August 1954.
Variants
It was fast and innovative but was not produced.
Where you'll see it
The United States Army rejected it in favour of the Bell UH-1 Iroquois.
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