Valid Duration
A single engine piston (SEP) class rating is valid for 2 years.
Revalidation
Pass a proficiency check with an authorised examiner OR within the last 12 months before expiry have completed 12 hours of flight time which must include a minimum of 6 hours PIC and 1 hour of dual instruction with a flight instructor. This must be undertaken no more than 3 months before the rating is due to expire.
Air Navigation Order – Section 1 Schedule 7- Section 2 - 9
An Instrument Rating is valid for 12 months.