A helicopter hauldown and rapid securing device (HHRSD) or beartrap enables the landing and handling of helicopters and unmanned aerial vehicles (UAVs) aboard small ships in poor weather. Similar systems include Recovery Assist, Secure and Travers (RAST) and TRIGON.

The Fairey Aviation Company Limited was a British aircraft manufacturer of the first half of the 20th century based in Hayes in Middlesex and Heaton Chapel and RAF Ringway in Cheshire that designed important military aircraft, including the Fairey III family, the Swordfish, Firefly, and Gannet. It had a strong presence in the supply of naval aircraft, and also built bombers for the RAF.