Geoffrey de Havilland, Jr.

• For the father of the same name see: Geoffrey de Havilland

Geoffrey Roald de Havilland Jr., OBE (1910 - 27 September 1946) was a British test pilot and the son of the English aviation pioneer and aircraft designer of the same name, Geoffrey de Havilland.

De Havilland was born in Kingsclere, Hampshire in 1910.^[1].

Geoffrey de Havilland Jr. became de Havilland's Chief Test Pilot and made the maiden flights of both the de Havilland Mosquito and the de Havilland Vampire.

De Havilland was awarded the OBE in the King's birthday honours in 1945.^[2]

He died on the evening of 27 September 1946 whilst carrying-out high speed tests in the de Havilland DH.108 TG306 which broke-up over the Thames estuary, the remains of the aircraft being discovered the following day in the mud of Egypt Bay, Gravesend, Kent. The body of Captain de Havilland was found to have suffered a broken neck, the result of the aircraft having undergone severe and violent longitudinal oscillations prior to break-up, which resulted in de Havilland's head striking the cockpit canopy with great force. A pilot who flew another DH.108, Capt. Eric "Winkle" Brown suggests that a factor in de Havilland's death was due to his tallness, Brown suffering similar oscillations during a test flight, which due to his shorter stature, did not result in his head contacting the cockpit hood. The David Lean film The Sound Barrier is based upon this event.

References

• Birtles, Philip. "Beyond the Barrier." Aeroplane Monthly August 1973.

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