Originally Posted by BillieBob
100 hours - at least, that is the minimum amount of theoretical knowledge instruction that ATOs are required to provide under Part-FCL.
Where does it say that? All I can find is FCL 115 & 210 which say:
The course shall include theoretical knowledge and flight instruction appropriate to the privileges given.
Appendix 3 states minimum theoretical knowledge study time of 350 or 500 hours depending on which type of course.