Summary: Unedited trials footage filmed at the Admiralty Research Establishment at Glen Fruin in Scotland, focusing on underwater seat ejection trials.
Description: Views underwater of ejection from aircraft fuselage section submerged in water tank. Raising fuselage section (from a de Havilland Sea Vixen) to the surface. Checks on the fuselage. Further underwater ejection tests. Firing dummy on a pole. Views of Glen Fruin. Further tests. Views of tank sides from exterior of tank.