[1] The Rolls-Royce Olympus turbines of Type 21 frigates enabled them to maintain high speeds, but at the time the Royal Navy preferred this information not to be publicised.

[2] Captain White led Avenger in the Falklands War surviving an attack by an Exocet missile which it shot out of the sky with the 4.5 inch mark 8 gun on the focsle of the ship.

The Avenger's commanding officer, Captain Peter Woodhead, was returning from a visit ashore in the ships Westland Lynx, (registration XZ249) when it suffered a tail rotor control failure and, nose down, plunged into the sea off Muscat, Oman.

[8] As HMS Avenger approached the crash sight the crew observed some green clothed bodies breaking the surface on the water.

She was the third ship to carry this name[12] and remained in service with the Pakistan Navy as part of the 25th Destroyer Squadron[13] until on 27 April 2020 she was expended as a target.