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Topic: Amazing Video Of An MD-80 Hitting The Runway A Bit Too Hard
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Paul Mayer
Oh get out of it Melvin, before it pulls you under!
Posts: 3836
From: Albuquerque, NM
Registered: Feb 2000
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posted 10-30-2004 10:05 PM
That video is pretty famous in airline circles. The aircraft shown was the #1 prototype for the DC-9-80 "Super 80", later to be known as the MD-80 series.
This was one of the certification landings being flown in 1980 by a McD test pilot at Edwards AFB. They were testing to determine the minimum stopping distance, which meant flying at minimum approach speed and maximum sink rate (about 700 fpm) to touchdown, followed by full aerodynamic and wheel braking. Basically the video shows what amounts to a total pilot screwup--he flew an unstabilized approach and let the sink rate get way too high right at the bottom. The ship touched down at a vertical rate beyond what even Navy carrier-certified aircraft are required to withstand. Not only did the tail come off, but you can see the fuselage flex and fail forward of the wing, plus the nose gear tires failed. One of the engineers on board broke an ankle--the other six people on board were not injured. This aircraft was eventually repaired and returned to service.
Link to a pdf of the final NTSB report here.
The #2 prototype also got crunched during rejected takeoff testing at Yuma MCAS. It ran off the end of the runway and suffered damage, including having the landing gear collapse. The airplane was totalled when the shoring for the crane they were using to lift it collapsed. The crane fell over and guillotined the fuselage, breaking the aircraft's back. Swissair was supposed to take delivery of that ship, but they refused it and the aircraft was subsequently written off.
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