alt. static.

Judah wrote:
wrote in news

Neither of which seem to me to be very good preflight procedures, which
is what the question is about.

Do you intend to imply that if your alternatic air source does not make the
VSI wiggle, you would cancel your flight failing a suitable pre-flight
procedure?

No, I'm outright saying that pulling hoses or breaking the glass on
the VSI isn't a viable preflight procedure.

And since I've never seen a 172 where the VSI didn't wiggle when I
turned the alternate on and off, I would want to know why it didn't
before I flew it.

--
Jim Pennino

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