HMS Gannet is a forward operating base of the Royal Navy's Fleet Air Arm located at Glasgow Prestwick Airport, South Ayrshire in Scotland.

The crews covered an area from Ben Nevis in the north, the Isle of Man and the Lake District to the south, east to Edinburgh, the Firth of Forth and the Borders, west to Northern Ireland and extended 200 miles (320 km) west of Ireland over the north Atlantic, giving an operational area of approx.

[2] Personnel at the base consisted of fifteen officers, eleven ratings, twenty-eight civil servants and fifty civilian staff.

[3]During 2008 to 2011, the SAR flight featured regularly on the Channel 5 documentary series Highland Emergency and BBC's "Countryside Rescue".

HMS Gannet's status was reviewed in 2015, with a strong case for "Defence of the Clyde" operations being relocated to Northern Ireland as proposed by DIO.

A strong case was put forward defending Gannet including its existing infrastructure, better climate and access to the Clyde being led by the Commanding Officer at the time.

It now remains open serving as a Forward Operating Base, primarily as in "Defence of the Clyde" and supporting various detachments and major exercises such as Joint Warrior.

A number of units were here at some point: HMS Gannet is a forward operating base used by detachments of Royal Navy Merlin HM2 helicopters which are deployed from RNAS Culdrose as and when required.

The anti-submarine warfare helicopters support the biannual Joint Warrior exercises and the Submarine Command Course, provide a helicopter capability to the navy's smaller vessels during operational sea training and offer protection to Vanguard-class nuclear-powered ballistic missile submarines as they arrive and depart their home port at Faslane.