On Feb 15, 8:03 pm, "kevmor" wrote:
I understand it as the IRA (Instrument Rating Airplane) and FII
(Flight Instructor Instrument) tests come from the same question
bank. Does the FII test expire like the IRA does? I didn't see it in
part 61 unless I'm missing something. To me, it seems like none of
the tests expire for CFI?

Take a look at 61.39. All knowledge tests expire in 24 months.

§ 61.39 Prerequisites for practical tests.
(a) Except as provided in paragraphs (b) and (c) of this section, to
be eligible for a practical test for a certificate or rating issued
under this part, an applicant must:

(1) Pass the required knowledge test within the 24-calendar-month
period preceding the month the applicant completes the practical test,
if a knowledge test is required;