No!

If the static system has been opened, and resealed, it should have no
effect on the operation of your encoder or transponder. There is no
requirement to get either checked.

If you have had your transponder checked in the last 24 months it is
still good until the end of the 24th month.

Paragraph "b" has nothing to do with the static system being opened.
They are talking about a "data correspondence error" which is the way
the encoder talks to the transponder.

Dave
www.craigmileaviation.com



Jack I wrote:
Hi all,
So are you required to get a transponder test any time the static
system has been opened (for VFR flight)?

You are required to get a static/altimeter/xpdr test for IFR flight
any time the static system has been opened (91.411).

91.413 refers to maintenance on the transponder (and presumably
encoder) but has no reference to the static system.

My IA wants me to get a transponder test because he had some of the
static hoses off. I'd prefer to wait until I get some radio work
done in a month or so.

Thanks,
Jack





91.413 ATC transponder tests and inspections.

(a) No persons may use an ATC transponder that is specified in 91.215(a),
121.345(c), or §135.143(c) of this chapter unless, within the preceding 24
calendar months, the ATC transponder has been tested and inspected and
found to comply with appendix F of part 43 of this chapter; and

(b) Following any installation or maintenance on an ATC transponder where
data correspondence error could be introduced, the integrated system has
been tested, inspected, and found to comply with paragraph (c), appendix E,
of part 43 of this chapter.

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