The derogations that allow flying a G-REG aircraft on a non-EASA licence in the UK are published by the CAA. The most recent I can find is ORS4 1171 dated 3rd May 2016. See link below.
ORS4 No.1171: Amended use of Derogations Notified to the European Commission by the United Kingdom under Article 12 of the Aircrew Regulation effective 8 April 2016
The relevant part expires on 8th April '17 unless they extend it with a new derogation.
The list of ORS4 docs is at:
List of Official Record Series 4 - Miscellaneous
Last edited by Jim59; 21st Mar 2017 at 20:37.
Reason: Spelling.