All Irish registered aeroplanes, subject to EASA regulations, shall be issued with an EASA non-expiring Certificate of Airworthiness or Permit to Fly. Those with a Certificate of Airworthiness also require an Airworthiness Review Certificate (ARC).
This is applicable to aircraft operated under Part-NCO; which is defined as all non-commercial activities of aeroplanes other than complex motor-powered aeroplanes.
Aircraft listed in Annex I of the Basic Regulation are excluded from these requirements and national regulations apply instead. Aircraft and Helicopters not affected by the EASA Regulations. Such aircraft types are listed in the left hand navigation bar.