Utility version for the RN (Royal Navy), now part of the Commando Helicopter Force. Upgraded from the HC.3/3A with folding tail, folding rotor blades. The later aircraft also have a digital cockpit common to the Merlin HM.2

Overview

Data on design, manufacture and status

Latest or last design authority: Leonardo S.p.A, Helicopter Division
Originally designed by AgustaWestland N.V.

Latest or last primary manufacturer: Leonardo S.p.A, Helicopter Division
Originally manufactured by AgustaWestland N.V.

Parent type: AgustaWestland AW101/EH101

Aircraft status: Operational

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

Overall Height: 6.66 m (21.9 ft)

Overall Length: 22.83 m (74.9 ft)

Overall Width: 18.59 m (61.0 ft)

Engine Details

Aircraft powerplant (lift and/or propulsion)

Total number of engines: 3

Engine designation: Turbomeca RTM 322 02/8 turbine

Engine manufacturer: Turbomeca

Max continuous power: 1406 kW (1885 hp)

Take-off / rated power: 1689 kW (2264 hp)

Weights and Performance

Data on aircraft weight and flight characteristics

Max Gross Weight (ground): 14600 kg (32187 lb)

Max Range: 1360 km (734 nm)

Max Endurance: 6.5 hrs (6.5 hrs)

Related VFS Resources

Resources related to the Merlin HC.4, provided by the Vertical Flight Society.
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Related Public Resources

Resources related to the Merlin HC.4, provided by public sources across the internet.

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