Originally Posted by
ifitaintboeing
As holder of a UK instructor certificate, it's possible to teach on an EASA course providing the ATO holds the relevant EASA course approval; as holder of a third-country instructor certificate, instructors can apply to an EASA NAA for issue of an instructor certificate in accordance with FCL.900(c).
ifitaint...
only if the instructor holds a CPL. Excludes FIs with PPLs