For some reason, I can't post an answer to the question about CFI written endorsements. Here it is:
Mark,
Take a look at the wording in 61.103(d) and compare it to 61.183(d) & (f).
61.103(d) requires an endorsement to take the Private Pilot knowledge test.
61.183(d) requires an endorsement to take the FOI knowledge test.
61.183(f) only requires passing the appropriate instructor knowledge test. There is no requirement for an endorsement.
As an interesting side note, while 61.195(i) contains a prohibition against self endorsement by a flight instructor, Subpart I contains no such proscription for Ground Instructors.
My copy of regulations from 1970 contains no requirement for an endorsement for any knowledge test. My dad and I studied for the test, traveled to the South Bend FSDO and took the Private knowledge test, administered by an inspector.
My 1981 copy of the regs has no requirement for an endorsement for a knowledge test, only a requirement to show that one has completed a ground instruction course or home study course (like King Schools).
Considering the cost of the knowledge tests, I don't know why there is a requirement for the endorsement for any knowledge test. If a pilot wants to waste his money without having the proper preparation, why should the FAA care?
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