The Supermarine Sentry is a twin engine ARCS aircraft developed by Supermarine that entered service in the late 1960s.
It is powered by 2 Rolls-Royce RB.203 Trent turbofan engines.
It is used by several navies and air forces including the Royal Navy and Royal Indian Navy. There is also a carrier onboard delivery variant, the Supermarine Seagull.
- The Supermarine Sentry is the AAO version of the AEW variant of the Blackburn P.139B that was cancelled in 1965.
