849 Naval Air Squadron was a squadron of the Fleet Air Arm, the Air Arm of the British Royal Navy. It was formed during the Second World War as a carrier based torpedo-bomber, unit, flying missions against Japanese targets in the Far East. Its service since the Second World War has been as an airborne early warning squadron, flying fixed winged Skyraiders and Gannets from the Royal Navy's fixed wing carriers from 1952 until 1978, and airborne early warning Sea King helicopters from 1982 to 2018.