Developed in 1958 and produced in 1961, the BS-12D1 is the first twin-engine helicopter to be FAA Certificated.  The 5-place aircraft is designed for transport of heavy loads in hard-to-reach places.

Overview

Data on design, manufacture and status

Design authority: Omega Aircraft Corporation

Primary manufacturer: Omega Aircraft Corporation

Parent type: No type defined

Aircraft status: No longer flying

Configuration

Primary flight and mechanical characteristics

VTOL type: Helicopter

Lift configuration: Single main rotor

Dedicated control device: Tail rotor

Crew required: 1-2

Crew seating: Side-by-side

Landing gear: Wheels (non-retractable)

Overall Dimensions

Data on aircraft size

Overall Height: 3.96 m (13.0 ft)

Overall Length: 14.74 m (48.4 ft)

Overall Width: 11.89 m (39.0 ft)

Engine Details

Aircraft powerplant (lift and/or propulsion)

Total number of engines: 2

Engine designation: Lycoming O-540-F1A5 reciprocating

Engine manufacturer: Lycoming Engines

Take-off / rated power: 194 kW (260 hp)

Weights and Performance

Data on aircraft weight and flight characteristics

Max Gross Weight (ground): 2214 kg (4880 lb)

Max Range: 257 km (139 nm)

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