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It was a modification of the Pratt & Whitney J52 turbojet engine which powered the US Navy A-6 Intruder and A-4 Skyhawk attack aircraft. Eight models comprise the JT8D standard engine family, covering the thrust range from 12,250 to 17,400 pounds-force (54 to 77 kN), and power the 727, 737-100/200, and DC-9.
The first DC-9 Series 30 flew on August 1, 1966, and the first delivery was to Eastern Airlines on February 27, 1967, after certification on December 19, 1966. Basic MTOW of 98,000 lb (44,000 kg) and subsequently certificated at weights up to 108,000 lb (49,000 kg). DC-9-32: Introduced in the first year (1967). Certificated March 1, 1967.
The JT8D-200 engines are much quieter than the original JT8D-1 through -17 variant engines that power the 727, as well as more fuel efficient due to the higher bypass ratio, but the structural changes to fit the larger-diameter engine (49.2-inch (125 cm) fan diameter in the JT8D-200 compared to 39.9 inches (101 cm) in the JT8D-1 through -17 ...
The MD-95 was developed to replace early DC-9 models, which were approaching 30 years of age. The project completely overhauled the original DC-9 into a modern airliner. It is slightly longer than the DC-9-30 and is powered by new Rolls-Royce BR715 engines. The MD-95 was renamed "Boeing 717" after the McDonnell Douglas-Boeing merger in 1997.
The MD-80 series, the first derivative or the second generation of the DC-9 family, entered service in 1980.The aircraft series was originally designated as Series 80 or stylized as the Super 80, [5] which was a 14 ft 3 in (4.34 m) lengthened Series 50 with a higher maximum take-off weight (MTOW) and higher fuel capacity, as well as next-generation Pratt and Whitney JT8D-200 series engines and ...
Douglas Aircraft launched the DC-9, a short-range companion to its larger four-engine DC-8, in 1963. [4] The DC-9 was an all-new design, using two rear fuselage-mounted Pratt & Whitney JT8D turbofan engines; a small, efficient wing; and a T-tail. [5] The DC-9's maiden flight was in 1965 and entered airline service later that year. [6]
Originally developed by McDonnell Douglas as the MD-95: an evolution of the DC-9 family. 727: 1,832: Three-engine narrow-body jet 747: 1,568: Heavy, four‑engine, partial double deck, twin–aisle main deck, single–aisle upper deck, medium- to long-range widebody 757: 1,050: Narrow-body twin-engine jet
The 727's wing cut through the right side of the DC-9's fuselage just below the windows, then continued aft, finally cutting off the DC-9's right side (#2) engine. The DC-9 caught fire and was destroyed. [3] The captain of the DC-9 escaped from the aircraft through the left sliding window. Eighteen people escaped the plane from the left ...