Utility transport version for the US Army. The aircraft was re-designated to CH-37A in 1962 as part of the overall rationalization of designations for US Armed Forces aircraft.

 

The aircraft included a manually folded main rotor and hydraulically folded tail rotor pylon.

 

Source: S-56/HR2S-1/H-37 Helicopter, Vinny Devine, Igor I. Sikorsky Archives, April 2013)

Overview

Data on design, manufacture and status

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift configuration: Single main rotor

Dedicated control device: Tail rotor

Crew required: 2

Crew seating: Side-by-side

Landing gear: Wheels (all retractable)

Overall Dimensions

Data on aircraft size

Engine Details

Aircraft powerplant (lift and/or propulsion)

Total number of engines: 2

Weights and Performance

Data on aircraft weight and flight characteristics

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