AW101 Merlin Helicopter

Full Specifications

AW101 Merlin: Versatile Multi-Role Military Helicopter

The AW101 Merlin stands as one of the most capable medium-lift helicopters in modern defense inventories. Developed as a joint Anglo-Italian project, this three-engine rotorcraft delivers outstanding performance in demanding maritime and land-based operations. Its robust design supports a wide array of missions, from anti-submarine warfare (ASW) and search and rescue (SAR) to troop transport and battlefield utility, making it a strategic asset for navies and air forces operating in harsh environments.

Manufacturer

The AW101 (originally EH101) was developed by AgustaWestland, a joint venture between Italy’s Agusta and the UK’s Westland Helicopters. It is now produced under Leonardo Helicopters (formerly Finmeccanica). The helicopter entered service in the late 1990s and has seen continuous upgrades, with variants tailored for specific operator needs.

Speed and Range

Powered by three turboshaft engines (typically Rolls-Royce Turbomeca RTM322 or General Electric CT7-8E), the Merlin achieves a maximum speed of approximately 309 km/h (167 knots) and a cruise speed of around 278 km/h (150 knots). Its range exceeds 1,300–1,500 km depending on configuration and fuel load, with endurance up to 7+ hours in efficient cruise. This performance enables long-distance maritime patrols and rapid response in SAR scenarios.

Cost/Price

Unit costs for the AW101 typically range from $25–70 million USD, varying significantly by configuration, avionics suite, and mission equipment (e.g., ASW sensors or defensive aids). New aircraft with full military packages often fall in the higher range, while support and upgrade contracts add further value for operators.

The Merlin features a spacious cabin accommodating up to 30–38 troops or significant cargo, advanced composite construction for durability, active vibration control for crew comfort, and de-icing systems for all-weather operations. It excels in NATO-compatible roles and has seen service with forces including the UK, Italy, Norway, Portugal, and others. Its modular design allows rapid reconfiguration for diverse threats, from submarine hunting with torpedoes and sonars to humanitarian relief.