surveillance aircraft flight control system

pilotless aircraft surveillance system

surveillance and target acquisition aircraft system

aircraft accident (flight accident; aircraft mishap)

aircraft accident / flight accident, aircraft mishap

aircraft mishap / flight accident, aircraft accident

flight accident / aircraft accident, aircraft mishap

surveillance, high- and low-altitude surveillance

surveillance, under surveillance

surveillance flight

automatic flight control system (AFCS)

flight control system

limited-envelope flight control system

surveillance aircraft

drone surveillance aircraft

observation and surveillance aircraft

aircraft’s weapon control system

command, control, computers, communication, intelligence, surveillance, reconnaissance (C4ISR)

disease surveillance system

joint surveillance and targeting attack radar system (JSTARS)

sea surveillance system

surveillance and attack system

Unmanned Carrier Launched Airborne Surveillance and Strike System (UCLASS)

surveillance towed array sensor system

distributed surveillance system (DSS)

integrated undersea surveillance system (IUSS)

integrated underwater surveillance system

multi-national space-based imaging system (for surveillance) (MUSIS)

ground-surveillance system (нім. Bodenüberwachungssystem)

address selective secondary surveillance radar system

joint surveillance system

night surveillance system

anti-aircraft free-flight rocket