John J M Jeffrey

John J M Jeffrey served in the FAA from 1940 to 1946. Helicopter instructor's course in the US becoming helicopter instructor and test pilot at the Aerial Torpedo Development Unit Instructor and senior helicopter test pilot at the Air/Sea Warfare Development Unit, 1945-46. Helicopter test pilot with Saunders-Roe since 1950, flying Skeeter and P 531, he moved to White Waltham in 1962 and left the company in 1964.