AgustaWestland AW101

AW101
An Italian Air Force AW101
Role	Anti-submarine warfare, medium-lift transport, search and rescue and utility helicopter Type of aircraft
National origin	Italy United Kingdom
Manufacturer	Agusta Westland Helicopters AgustaWestland Finmeccanica Leonardo S.p.A.[1]
First flight	9 October 1987
Introduction	1999[2]
Status	In service
Primary users	Royal Navy Royal Air Force (historical) Italian Navy Royal Danish Air Force
Produced	1990s–present
Variants	AgustaWestland CH-149 Cormorant Lockheed Martin VH-71 Kestrel

The AgustaWestland AW101 is a medium-lift helicopter in military and civil use. First flown in 1987, it was developed by a joint venture between Westland Helicopters in the United Kingdom and Agusta in Italy in response to national requirements for a modern naval utility helicopter. Several operators, including the armed forces of Britain, Denmark, and Portugal, use the name Merlin for their AW101 aircraft.^[3][4] 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, from the name given to the Anglo-Italian joint venture—European Helicopter Industries—but a transcription error changed this to EH101.^[5] In 2000, Westland Helicopters and Agusta merged to form AgustaWestland, leading to the type's current designation.

The AW101 entered into service in 1999 and has since replaced several older helicopter types, such as the Sikorsky SH-3 Sea King, performing roles such as medium-sized transport, anti-submarine warfare, search and rescue, and ship-based utility operations. The Royal Canadian Air Force (RCAF) operates the CH-149 Cormorant variant for air-sea rescue. Another variant, the Lockheed Martin VH-71 Kestrel, was produced to serve in the United States presidential transport fleet before the program was cancelled and the aircraft sold off to Canada for parts. Civil operators use the AW101 for 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.