Family of short to medium range airliners in service since 1965. Built in these versions:
The DC-9-80 (DC-9 Super 80), later redesignated MD-80, launched the family of commercial jet airliners with McDonnell Douglas "MD" designation. More details on following modifications of DC-9 family:
2 x Pratt & Whitney JT8D-5 or -7 (62.3 kN) thrust each.
2 x Pratt & Whitney JT8D-11 (66.7 kN) thrust each.
10: 2 x P&W JT8D-7 (2 x 54,5 kN) turbofans or
20/30: 2 x P&W JT8D-9 (64,5 kN) or
2 x P&W JT8D-15 (66,7 kN) turbofans.
2 x Pratt & Whitney JT8D-7, -9, -11 or -15 (68.9 kN) thrust each.
40: 2 x P&W JT9D-15 (64,5 kN) or
50: 2 x P&W JT9D-17 (71,2 kN) turbofans.
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