By mid-1970, the airline had two dozen twin-engine transport aircraft as well as Boeing 727 and Boeing 747 jets plus two dozen fixed wing short-take off-and-landing aircraft in addition to 30 helicopters dedicated to operations in Burma, Cambodia, Thailand, and Laos. There were more than 300 pilots, copilots, flight mechanics, and airfreight specialists based in Laos, Vietnam, and Thailand. During 1970, Air America delivered 46 million pounds (21,000 metric tons) of food in Laos. Helicopter flight time reached more than 4,000 hours a month in the same year.