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PostPosted: Wed Apr 06, 2011 2:00 pm 
PHD From Del Rey University!
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Joined: Sat Dec 29, 2007 9:34 am
Posts: 2766
Location: PacNW/CR
You do know that the FAA used to conduct the inspections that it is now "requiring". As a cost saving measure, the FAA certified employees of the airlines to conduct the inspections that FAA inspectors used to do. The airline is required to submit the reports that the FAA inspectors used to do. So what becomes most important, the inspection or the report?

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PostPosted: Thu Apr 07, 2011 11:19 am 
PHD From Del Rey University!
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Joined: Sun Mar 27, 2005 10:20 pm
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On this week's "Air Emergency" (show about aviation accidents), they talked about metal fatigue and resulting explosive decompression when a small hole in the fuselage develops. They talked about the Aloha flight where part of the fuselage ripped off. Seeing the pictures and video of that is still unreal. I can't imagine sitting in one of those seats and looking to the side and seeing 24,000 feet down. The 737 is designed for 20 years and 75,000 flights. That plane was 19 but had 89,000 flights (cycles-fuselage expanding and contracting) due to very short flights between the Hawaiian islands.

The Aloha pilot knew he had to bring the plane down quickly or the people would die due to 300 mph freezing winds, but he could not dive too hard because he feared that the whole plane who rip itself apart due to the structural damage.

They also mentioned the first jet airliner, "de Havilland Comet" (late 40's, early 50's). One day, it ripped apart in mid-air due to metal fatigue, which was caused by the square windows that caused pressure to build up in the corners (that's why the windows are oval now) .


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