Cambodian airlift : a study of fatigue

To reduce the presence of U.S. military personnel in Cambodia, the Air Force, in September, 1974, completed negotiations with a civilian contractor to continue the emergency airlift of supplies and ammunition to that country. As the Khmer Rouge threat increased on the Cambodian capital, Phnom Penh, the airlift was expanded and the supply sorties increased. Because fatigue was a potential medical problem for the crews-they were required to fly excessive hours with little time off between 13 Jan. and 13 March, 1975-a flight surgeon was assigned to the company