Royal Naval Air Station Merryfield
Part of RNAS Yeovilton (HMS Heron)
Ilton, Somerset, in England
RNAS Merryfield control tower in 2007
RNAS Merryfield Location in Somerset
Coordinates	50°58′12″N 002°56′24″W / 50.97000°N 2.94000°W / 50.97000; -2.94000
Type	Royal Naval Air Station
Site information
Owner	Ministry of Defence
Controlled by	Royal Navy
Condition	operational
Site history
Built	1971; 53 years ago (1971)
In use	1971–present
Battles/wars	Cold War
Airfield information
Identifiers	IATA: N/a, ICAO: EGDI, WMO: 03334
Elevation	45 metres (148 ft) AMSL
Runways Direction Length and surface 03/21 1,249 metres (4,098 ft) asphalt 09/27 1,744 metres (5,722 ft) asphalt 16/34 1,077 metres (3,533 ft) asphalt

Royal Naval Air Station Merryfield, commonly known as RNAS Merryfield, is an air station of the Royal Navy's Fleet Air Arm located 2.7 miles (4 kilometres) north-west of Ilminster, and 8.1 miles (13 kilometres) south-east of Taunton, in the English county of Somerset, in England.

The following squadrons were located here at some point:^[1]

• 700 Naval Air Squadron
• 766 Naval Air Squadron
• 802 Naval Air Squadron
• 809 Naval Air Squadron
• 891 Naval Air Squadron
• 893 Naval Air Squadron
• 894 Naval Air Squadron

The site is mainly used for military helicopter exercises, and there are a large number of lettered helicopter landing spots spread across the site on the taxiways.

• RNAS Yeovilton (HMS Heron) — parent station of RNAS Merryfield