The L-1011 TriStar was Lockheed's entry into the mid-size and mid-range commercial aircraft market. The TriStar was certified in 1972 and produced until 1984; Lockheed ultimately built 195 L-1011s in total. Customers included Air Canada, ANA, British Airways, Court Line, Delta, Eastern, LTU, PSA, TWA, Cathay Pacific, Gulf Air, and Saudia. The L-1011 prototype, which was first flown on 16 November 1970, was scrapped for parts in 1986.