Here is my experience (6 mths ago): Have Iaa class 1 med. Rang the mater enquiring about its validity in europe, they said ring gatwick, so i did, They said that with copy of my results they would give me a renewal and i would receive a caa medical, seemed dodgy. However I decided to hold off a bit and see if IAA get there act together by august (renewal up) if not back on the phone to gatwick.keep us posted if you get further info your not the only one in this pointless predicament.