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Do Airliners Engines Live As Long As The Plane?  
User currently offlineF.pier From Italy, joined Aug 2000, 1528 posts, RR: 9
Posted (13 years 3 weeks 4 days 1 hour ago) and read 2912 times:

A plane lives for about 20/30 years, but in this long time are the engines changed with new ones or their life is as long as the whole airliner life (on average)?

8 replies: All unread, jump to last
User currently offlineMr AirNZ From New Zealand, joined Feb 2002, 945 posts, RR: 1
Reply 1, posted (13 years 3 weeks 4 days ago) and read 2899 times:

I cannot tell you how long an engine will last but I can assure you they do not last anywhere near as long as the aircraft itself. In an aircrafts lifetime it will experience numerous engine changes. Prehaps someone could give some figures?

User currently offlineWilcharl From United States of America, joined Jun 2000, 1170 posts, RR: 3
Reply 2, posted (13 years 3 weeks 3 days 23 hours ago) and read 2862 times:

they do not last as long as the plane... that means when i see a 707 flying... those engines are still in production. I think not... an engine is overhauld at its TBO, if you want a detailed answer i would suggest asking the tech-ops forum, but do a good thorough search before you do

User currently offlineJhooper From United States of America, joined Dec 2001, 6206 posts, RR: 11
Reply 3, posted (13 years 3 weeks 3 days 20 hours ago) and read 2804 times:

For some reason, the number 8,000 hours pops in my head as a good TBO for many jet engines.

Last year 1,944 New Yorkers saw something and said something.
User currently offlineStratofish From Germany, joined Sep 2001, 1072 posts, RR: 5
Reply 4, posted (13 years 3 weeks 3 days 10 hours ago) and read 2719 times:

You can not clearly define how long a plane "lives". After about 20 years of service almost every part will have been replaced with a new one (except the fuselage). Same goes with the engines.

The Metro might be the Sub(optimal)way
User currently offlineMagicMan_841 From Canada, joined Jan 2002, 182 posts, RR: 0
Reply 5, posted (13 years 3 weeks 3 days 9 hours ago) and read 2713 times:

TBO = Time Between Overhaul  Smile/happy/getting dizzy

M@g!¢  Yeah sure

User currently offlineBR715-A1-30 From , joined Dec 1969, posts, RR:
Reply 6, posted (13 years 3 weeks 3 days 8 hours ago) and read 2691 times:

The 717 has already had a couple of engine changes. So that should answer your question right now.

User currently offlineWilcharl From United States of America, joined Jun 2000, 1170 posts, RR: 3
Reply 7, posted (13 years 3 weeks 3 days 1 hour ago) and read 2637 times:

an engine change does not warrent a new engine. to keep it simple in this forum lets look at a car engine (a recripciating v-8) when the enigne fails at the end of its useful life it is rebuilt or "remanufactured" (remanufactured often constittues a higher level of new parts etc..) the cylinder walls are machined as are the heads. the valves are resurfaced, new pistons are installed. new bearings all the way around. all "wear items" are replaced it is not a new engine... now an aircraft engine to be considered remanufactured and have a new log (we are talking about recips here in GA) it requires the engine to be factory remanufactured and has a certain criteeiea (a matitutuck engine is not "remanufactured") Pratt stoped making the JT8-D sometime back. wehn those engines die. they will be overhauled and continued to use over and over and over again unless there is a catastrophic failure or the supply of servicable parts runs out

User currently offlineFDXmech From United States of America, joined Mar 2000, 3251 posts, RR: 31
Reply 8, posted (13 years 3 weeks 3 days ago) and read 2623 times:

Do Airliners Engines Live As Long As The Plane?

Yes, though not necessarily on the same airplane.

You're only as good as your last departure.
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