At the start of
World War II, Agazarian joined the Red Cross
Voluntary Aid Detachment (VAD) as a nurse while three of her brothers joined the
Royal Air Force (RAF). In 1943, despite being an inch short of the required height, Agazarian was one of only 10 women accepted to the
Air Transport Auxiliary's training programme. Their job was to send replacement aircraft out to operational squadrons. Upon earning her pilot badge, Agazarian reportedly "flew every type of front-line fighter then in service", particularly Spitfires, After the war, Agazarian earned her B license for commercial flying and, at the London School of Aviation, pursued a navigator's certificate. which operated leisure/charter flights out of
Heathrow and
Croydon airports via a fleet of
de Havilland Dragon Rapides. Within a year, Agazarian had flown over 13 thousand passengers. Agazarian would be appointed Managing Director of IAS in 1948, Chairman and Chief Pilot. She also worked with her then husband Ray Rendall. By 1954, she had flown over 30 thousand passengers on the service. Clientele included
Michael Wilding and
Elizabeth Taylor. As of 1956, Agazarian was one of only 7 women flying commercially. After IAS ceased its operations in 1959, Agazarian joined
Air Service Training (AST), where she was considered a pioneer in the use of GAT-1
flight simulators in ab initio pilot training. Running a simulator complex in the basement of
the Piccadilly Hotel, this method "[established] that many people could be trained to fly an aeroplane safely, confidently and in a surprisingly short period of time". In 1988, she authored a manual on titled
Instrument Flying and Background to the Instrument and IMC Ratings. ==Personal life==