Royal Naval Air Station Culdrose (RNAS Culdrose, also known as HMS Seahawk; ICAO: EGDR) is a Royal Navy airbase near Helston on the Lizard Peninsula of Cornwall UK, and is the largest helicopter base in Europe. It currently has three major roles: serving the Fleet Air Arm's front line Sea King and Merlin helicopter squadrons; providing search and rescue for the South West region; and training divers for the Royal Navy.