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Do jet engines require oil changes like car engines do?

Our pilot answers your aviation questions.

Air Canada plane

Do jet engines require oil changes like car engines do?
Chris Hutchison, Halifax
Generally, there are no scheduled oil changes for jet engines. During engine maintenance, however, oil filters and seals are checked and changed if necessary. There are monitors on the flight deck for oil quantity, pressure and temperature, unlike in a car where an oil light is the only indicator. While my car takes about four litres of oil, the Airbus A320 requires four times that amount and consumes about half a litre per flight hour. Typical “top-ups” are done on a daily basis, so jet engines always have some fresh oil but rarely need a complete oil change. 



Doug Morris
Doug Morris is an Air Canada pilot and captain on the Airbus A320.

Got an aviation question? Send it to askdoug@enroutemag.net.

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DOUG MORRIS     FLIGHT DECK     Q&A    

Comments… or add another

David Mullins

Monday, March 14th 2016 15:12
Hi Doug,
did you write a book about aviation weather?
Regards
David

Peter Stossel

Sunday, June 5th 2016 23:09
Good on Air Canada for for commencing direct flights from Brisbane to Vancouver in mid
2016. My wife Diana and I live in Townsville and in 2017 we'll go killer whale
watching to Vancouver Island.
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