Ireland West Airport (Knock) (IATA: NOC, ICAO: EIKN) Experience the charm of Ireland’s rugged west coast with this meticulously crafted scenery of Ireland West Airport (Knock) (IATA: NOC, ICAO: EIKN), located in County Mayo. Known for its stunning backdrop of rolling hills and the serene beauty of the Irish countryside, this airport scenery brings the heart of Ireland to life with realistic textures, accurate airport details, and a lively, immersive environment.