ifitaintboeing,
You are correct that in the UK, the UKCAA permits instructors who hold JAR-FCL licenses and who are qualified to teach SEP to also teach microlight provided that they have completed differences training.
The UK can permit anyone it wants to teach for national licenses and ratings. The UK currently permits national pilots with no instructor ratings to teach for the grant of an NPPL.
However, with regard to a CRI, it is not so simple when one talks about JAR-FCL training - which the SEP is.
JAR-FCL 1.375 states that the privileges of a CRI is to instruct
licence holders for the issue of a type or class rating for single pilot aeroplanes.
Unfortunately, some people forget that JAR-FCL 1.005 tells us;
Whenever licences, ratings, authorisations, approvals or certificates are
mentioned in JAR–FCL, these are meant to be licences, ratings, authorisations, approvals or certificates issued in accordance with
JAR–FCL.
Therefore JAR-FCL makes it clear that the CRI is only entitled to teach SEP Class (or MEP Class) to the holder of a JAR-FCL licence.
Note that I am talking about the training for the issue of the class rating since people seeking for example to complete the 1 hour with an instructor by definition already hold the SEP and therefore a JAR-FCL licence.
In sumary, SSEA or SEP to Microlight - National Issue - differences training - CRI
SSEA to SEP - JAR-FI required (most of the training from the JAR-FI will have been done on the initial SSEA training)
Microlight to SSEA or SEP - JAR FI required
The easiest way to think of it is that any training which requires a solo element requires an FI since CRI's are not authorised to supervise student solo flights.
But don't forget what JAR-FCL says about licenses when training for JAR-FCL ratings!!
Regards,
DFC