The Lockheed Model 82 (C-130 Hercules) is a range of American short/medium tactical transport aircraft first flown in 1954 that entered service in 1956. The Lockheed Model 82 is a high-wing cantilever monoplane. The passenger variant (the C-130H) is powered by four Allison T56-A-15 turboprops providing a top speed of 621 kmh and a range of 3790 km fully laden, and carries a flight crew of four or five and up to 92 passengers or 64 paratroops or 74 litters plus two attendants or 19356 kg of freight in the hold. Research Lockheed Model 82