The privileges may be extended to other FSTDs representing further types of aircraft when the holder has: ... (c) conducted, on a type rating course, at least one FSTD session related to the duties of an STI with a minimum duration of 3 hours on the applicable type of aircraft, under the supervision of a flight instructor examiner (FIE).
The privileges of an FIE on aeroplanes are to conduct assessments of competence for the issue, revalidation or renewal of certificates for FI(A), CRI(A), IRI(A) and TRI(A) on single-pilot aeroplanes, provided that the relevant instructor certificate is held.