 Her paper was read by Robert Crandall, then President of American Airlines, who hired her as a pilot for American in 1976, at age 25.During her career there, she was the first woman to fly as First Officer on the Boeing 707, 767 and Douglas DC-10.Masson earned aircraft type-ratings on the Airbus A310, Boeing 747, 757, 767, 777, DC-9, DC-10, and MD-11.