The Changi Airport Group manages the overall safety and security of the airport. The Airport Management Division of the CAG manages the customer aspects of the airport's security, while the Aviation Security Unit oversees the airport's compliance with aviation security (AVSEC) policies, manages AVSEC-related projects.[11] Operationally, the airport's emergency and fire-fighting services are handled by the Airport Emergency Service Division of the CAG.[16] The AES handles all instances of rescue and fire-fighting within the airport premises as well as in surrounding waters through its specialists operating from two main fire stations (Station 1 by Runway 1 along W. Perimeter Road) and Station 2 by Runway 2 along Changi Coast Road), a sub-station (Domestic Fire Station), a sea rescue base (at CAFHI jetty supporting Griffon Hoverworks 2000TD and 8000TD rescie hovercrafts, Rigid-hulled inflatable boats) around the airport.