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Do Airliners Engines Live As Long As The Plane?

F.pier From Italy, joined Aug 2000, 1517 posts, RR: 11
Posted (10 years 9 months 2 weeks 1 day 9 hours ago) and read 1420 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

Mr AirNZ From New Zealand, joined Feb 2002, 765 posts, RR: 1
Reply 1, posted (10 years 9 months 2 weeks 1 day 8 hours ago) and read 1407 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?

Wilcharl From United States of America, joined Jun 2000, 1158 posts, RR: 3
Reply 2, posted (10 years 9 months 2 weeks 1 day 7 hours ago) and read 1370 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

Jhooper From United States of America, joined Dec 2001, 6195 posts, RR: 13
Reply 3, posted (10 years 9 months 2 weeks 1 day 4 hours ago) and read 1312 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.

Stratofish From Germany, joined Sep 2001, 1010 posts, RR: 6
Reply 4, posted (10 years 9 months 2 weeks 17 hours ago) and read 1227 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

MagicMan_841 From Canada, joined Jan 2002, 182 posts, RR: 0
Reply 5, posted (10 years 9 months 2 weeks 17 hours ago) and read 1221 times:

TBO = Time Between Overhaul Smile/happy/getting dizzy

M@g!¢

BR715-A1-30 From , joined Dec 1969, posts, RR:
Reply 6, posted (10 years 9 months 2 weeks 16 hours ago) and read 1199 times:

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

Wilcharl From United States of America, joined Jun 2000, 1158 posts, RR: 3
Reply 7, posted (10 years 9 months 2 weeks 9 hours ago) and read 1145 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

FDXmech From United States of America, joined Mar 2000, 3251 posts, RR: 38
Reply 8, posted (10 years 9 months 2 weeks 8 hours ago) and read 1131 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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