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EH-101

AW101 (EH101)
Merlin
Royal Air Force Merlin HC3A helicopter training flight over Oxfordshire, Buckinghamshire (cropped).jpg
British Merlin HC3A in June 2012
Role Anti-submarine warfare (ASW) and medium-lift transport / Utility helicopter
National origin United Kingdom/Italy
Manufacturer Leonardo
Finmeccanica
AgustaWestland
First flight 9 October 1987
Introduction 1999
Status In service
Primary users Royal Navy
Royal Air Force (former)
Italian Navy
Royal Danish Air Force
Produced 1990s-present
Unit cost
US$21 million (2009)
Variants AgustaWestland CH-149 Cormorant
Lockheed Martin VH-71 Kestrel

The AgustaWestland AW101 is a medium-lift helicopter used in both military and civil applications. It was developed by a joint venture between Westland Helicopters in the UK and Agusta in Italy in response to national requirements for a modern naval utility helicopter. Several operators, including the armed forces of Britain, Denmark, Norway and Portugal, use the name Merlin for their AW101 aircraft. It is manufactured at factories in Yeovil, England and Vergiate, Italy; licensed assembly work has also taken place in Japan and the United States.

Prior to 2007, the aircraft had been marketed under the designation EH101. The original designation was EHI 01 but a transcription error of a handwritten note changed this to EH101 and the designation stuck. In 2000, Westland Helicopters and Agusta merged to form AgustaWestland, leading to the type's redesignation as AW101. The AW101 first flew in 1987, and entered into service in 1999. Since the AW101's introduction, it has replaced several older helicopter types, such as the Sikorsky S-61, performing roles such as medium-sized transport, anti-submarine warfare, and ship-based utility operations.

The Royal Canadian Air Force (RCAF) operates a variant of the AW101, designated CH-149 Cormorant, in the air-sea rescue role. Another variant, designated VH-71 Kestrel, was developed to serve in the US presidential transport fleet; however, the program was cancelled. Civil operators also use AW101s in roles such as passenger and VIP transportation. The type has been deployed to active combat theatres, such as in support of coalition forces during the Iraq War and the War in Afghanistan.


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