Sulur Air Force Station is an air base of the Indian Air Force located at Sulur near Coimbatore, Tamil Nadu and is India's second largest air base after Hindon AFS. It is the base which is responsible for protection of India's sea area. It is the only base in India which handles both fighter and transport flights at one location; no other base in India is equipped to do so. It is also the only IAF base in India to have all Departments at one location: fighters, carrier planes, carrier helicopters, attack helicopters, a repair and overhauling depot, TETTRA school, Garud Force, Air Force Hospital, Southern Command Sub Headquarters, & ECHS. It is a former Royal Navy and Indian Navy base.