de Havilland DH 121 Trident / Hawker Siddeley Trident Gallery 26/01/202422/08/2025Terry Back to de Havilland DH 121 Trident / Hawker Siddeley Trident The Duke of Edinburgh at the controls of the Trident in 1964. Prince Philip made two landings during the flight. BEA Trident 3 Trident G-AWZ* after mid-air collision with Inex Adria DC-9 over Zagreb 1976 Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Like Loading... Related