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The Pratt & Whitney JT8D is a low-bypass (0.96 to 1) turbofan engine introduced by Pratt & Whitney in February 1963 with the inaugural flight of the Boeing 727.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.
American Airlines was the first US major carrier to order the MD-80 when it leased twenty 142-seat aircraft from McDonnell Douglas in October 1982 to replace its Boeing 727-100s. It committed to 67 firm orders plus 100 options in March 1984, and in 2002 its fleet peaked at more than 360 aircraft, 30% of the 1,191 produced.
In August 2013, USA Jet Airlines became the world's first operator of an MD-80 Passenger-to-Freighter conversion. The aircraft, converted by Aeronautical Engineers, Inc., competes against the Boeing 727 in the cargo market. [5] In February 2023, USA Jet retired the last three of their McDonnell Douglas DC-9 fleet. [citation needed]
It would have carried 150 passengers and was touted as the successor to the successful Boeing 727. [1] It was initially planned to enter service in 1992. [1] This was intended as a highly fuel-efficient aircraft employing new technologies, but it was postponed indefinitely as the price of oil dropped during the 1980s.
For instance, waiting to swap out the 727 fleet it had at deregulation (yet the abortive 1982/1983 Braniff deal would have doubled-down on 727s), which were too large and too fuel inefficient (given the rise in fuel prices, which PSA also blamed) and too labor intensive (given its three person cockpit vs two places for the MD-80).
The 727 is equipped with a retractable tailskid that is designed to protect the aircraft in the event of an over-rotation on takeoff. The 727's fuselage has an outer diameter of 148 inches (3.8 m). This allows six-abreast seating (three per side) and a single aisle when 18-inch (46 cm) wide coach-class seats are installed.
ALM MD-80 in Miami. In 1975, ALM replaced its older DC-9s with the new McDonnell Douglas DC-9-32 series, significantly increasing seating capacity. Two years later, a Boeing 727 was added for additional routes to Chicago, Cleveland, Detroit, and New York, which were mostly operated as charter flights. During this period ALM grew rapidly and its ...
During the 2012 Boeing 727 crash experiment, a flight crew took off in the Boeing 727 that was to be crashed and flew it to a pre-selected desert site before safely parachuting from the airstair, as the Mexican government required that the plane be flown by a human crew for part of the experiment, especially as the aircraft's route to the crash ...
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