Two AW.681s fly in formation.
The Armstrong Whitworth AW.681 Aberdeen is a British long-range STOL military transport aircraft built by Armstrong Whitworth. The aircraft first flew on October 19, 1968 and entered service with the Royal Air Force in 1970.
The Aberdeen features a swept shoulder-mounted wing and a high T-tail. The rear fuselage is upswept with loading doors and a ramp. The aircraft is powered by four Rolls-Royce RB.142 Medway engines with vectored thrust nozzles mounted on pylons under the wings with boundary layer control with blown flaps, leading edges, and ailerons.
