1. Latest Easy Access Rules for EU Air-OPS are on the EASA website: Document Library ¬ Publications ¬ Technical Publications.
2. Article 5, para 5 of the Cover Regulation states:
"Training organisations referred to in Article 10a of Regulation (EU) No 1178/2011 and having their principal place of business in a Member State shall, when conducting flight training into, within or out of the Union, operate:
(a) complex motor-powered aeroplanes and helicopters in accordance with the provisions specified in Annex VI;
(b) other aeroplanes and helicopters in accordance with the provisions specified in Annex VII."
3. Assuming the aircraft's been certified for IFR, the EU ops requirements are in the .IDE (Instruments, Data & Equipment) sub-part of either NCC (Annex VI) or NCO (Annex VII), depending whether the aircraft is 'complex' or not.