The French Civil Aviation Authority (DGAC) has agreed that UK-registered non-Part 21 aircraft (e.g. microlights, amateur built, historic*) may be flown VFR in French airspace, for periods not exceeding 28 consecutive days, by pilots holding valid UK-issued licences which include such privileges. This includes pilots holding a valid Pilot Medical Declaration.
* Annex I aircraft referred to in Article 2(3)-point (d), of UK Regulation (EU) 2018/1139
This agreement does not include operation of UK-registered Part 21 aircraft in France, for which a PPL with a valid Class 2 medical remains the minimum requirement.