Originally Posted by
ANPBird
Food for though here for fosters ans saab....... you don't need a medical to flight instruct (to my knowledge) as long as the student has one and is PIC. Not having a medical makes your comm certificate invalid. Your CFI has to be current but that is about it. Also, you can instruct on a 3rd class medical which only give you private pilot privileges not comm. Caution ....... your entering the gray area of the FAA.
Very true inded, but what FOSTERS doesnt understand is that a CFI is a certificate not a license, while a Coomerical is a license, so when you are CFIing, you are exercsing your CFI Certificate, not flying around people/prodcut for hire