Shirl wrote:

My mechanic was at my hangar this morning. I was picking his brain about
this stuff. He said an airplane should be flown *at least* once a week
to keep condensation/corrosion away (and other reasons but that being
most important). He said Lycoming documentation actually states that an
engine should be preserved (pickled) if it isn't going to be flown for
10 days or more, although no one does that. I've heard of pickling in
extreme temps (cold) when not being flown *for an entire season*, but
even then, seems a lot of people just let them sit.


Your mechanic is a bit off on the pickling time frame. If the Lycoming
documentation he is referring to is Service Letter L180B (Engine Preservation
for Active and Stored Aircraft), the interval is actually 30 days of
inactivity, not 10 days.

John Galban=====N4BQ (PA28-180)

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