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Defence & space
Defence & spaceMilitary helicopter - Anti-Submarine Warfare (ASW) / Airborne Early Warning (AEW)

Merlin Mk2 helicopter upgrade

Yeovil, UK (AgustaWestland/Leonardo facility) · 2008 (contract awarded) - 2016 (final delivery) · £750 million (contract with Lockheed Martin); £165 million (contract extension for support)

The judgement call

Account-gated at launch

The upgrade significantly enhanced the Merlin's capabilities, making it a world-leading maritime patrol helicopter. - The project involved a major collaboration between AgustaWestland and Lockheed Martin. - The upgrade ensured the Merlin fleet remained effective against evolving submarine threats.

Key engineering challenges

Converting existing Merlin Mk1 airframes to the Mk2 standard. - Integrating advanced glass cockpits, improved aircrew consoles, and sophisticated mission systems for enhanced ASW and AEW capabilities. - Ensuring seamless operation with new sensor suites and data processing capabilities.

Project facts

Client / owner
Royal Navy / UK Ministry of Defence
Lead contractor
AgustaWestland (now Leonardo Helicopters) for conversion; Lockheed Martin (prime contractor for the upgrade)
Lead designers
AgustaWestland (now Leonardo Helicopters)
Project type
upgrade
Scale
30 Merlin Mk1 helicopters converted to Mk2; 2 engines (Rolls-Royce Turbomeca RTM322); Max speed: 167 knots (309 km/h); Range: 800 nautical miles (1,482 km)
Disciplines
Aeronautical engineering; systems integration; avionics; software engineering; anti-submarine warfare systems
Standards & frameworks
Military aviation standards.

Sources: Defence Equipment & Support: Merlin helicopter (https://des.mod.uk/what-we-do/navy-procurement-support/merlin-helicopter/) - Leonardo: AW1073 Merlin Mk2 delivery (https://www.leonardo.com/en/press-release-detail/-/detail/merlin-mk2-delivery) - GOV.UK: Royal Navy receives upgraded Merlin helicopters (https://www.gov.uk/government/news/royal-navy-receives-upgraded-merlin-helicopters) - Wikipedia: AgustaWestland AW101 (https://en.wikipedia.org/wiki/AgustaWestland_AW101)