Letališča, ki delujejo na podlagi Public use License, podeljene v skladu z Irish Aviation Authority Act 1993, kakor je bil spremenjen z Air Navigation and Transport (Amendment) Act No1998, in na katerih redne zračne prevoze opravljajo zrakoplovi za javni prevoz potnikov, pošte ali tovora.
Airports operating on the basis of a public use licence granted pursuant to the Irish Aviation Authority Act 1993 as amended by the Air Navigation and Transport (Amendment) Act, 1998, and at which any scheduled air services are performed by aircraft for the public transport of passengers, mail or cargo.