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The Retirement Of An A/c  
User currently offlineB752fanatic From United States of America, joined Jul 2003, 918 posts, RR: 7
Posted (12 years 10 months 15 hours ago) and read 3029 times:

How many hours and cycles are needed for considering an aircraft for retirement, and scrapping off?

"Truth is more of a stranger than fiction." Mark Twain
4 replies: All unread, jump to last
User currently offlineAvioniker From United States of America, joined Dec 2001, 1109 posts, RR: 10
Reply 1, posted (12 years 10 months 14 hours ago) and read 3006 times:

There's no set time/cycle limit.
Age, corrosion, operating cost, strain of use, bad landings and way too many other things enter into the decision.
Recently some of the major operators were considering scrapping the aircraft they took out of service even though they had plenty of useful service life left. This was to keep them out of the hands of startup and cheap seat regional carriers and control competition.

One may educate the ignorance from the unknowing but stupid is forever. Boswell; ca: 1533
User currently offlineJBirdAV8r From United States of America, joined Jun 2001, 4503 posts, RR: 19
Reply 2, posted (12 years 10 months 13 hours ago) and read 2993 times:

Also, sometimes airplanes are worth more (a LOT more) as parts than they are as a whole airplane. I've heard that the ratio can be as much as 7 to 1 (7 dollars parts for every $1 of airplane)

I got my head checked--by a jumbo jet
User currently offlineJETSTAR From United States of America, joined May 2003, 1747 posts, RR: 9
Reply 3, posted (12 years 10 months 12 hours ago) and read 2979 times:
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When the first of a model airliner is scrapped, the parts are worth a lot more money then the airplane is worth. As more and more of the model are retired and parted out, the value of those parts diminish.

Parts for a 727, DC-9, DC-10 or L-1011's are not worth much anymore, including engines so they are just scrapped for the salvage value of the metals when they are phased out.

757 and 767s parts are worth a lot of money now so you will are now seeing some of the early older models being parted out when they run out of airframe time for the next major inspection.

Some models, like the 747's have so many variations and different engines that some models are worth more than others for parts.

In some cases as the airlines slowly retire their airplanes, they use the parts from the retired ones to support the remaining in service airplanes. It is a lot cheaper to reuse low or mid time engines and components than to overhaul them.

User currently offlineIMissPiedmont From United States of America, joined May 2001, 6544 posts, RR: 29
Reply 4, posted (12 years 10 months 2 hours ago) and read 2914 times:

Just an attempt to answer an impossible question. The previous are all correct by the way.

A modern airliner (the last 30 years or so) generally will fly 80,000 to 100,000 hours on average. That equates to 18-22 years of 12 hour days. Major generalizations and assumptions on that though.

The day you stop learning is the day you should die.
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