Found. Redirecting to https://services-eu1.arcgis.com/FH5XCsx8rYXqnjF5/arcgis/rest/services/Airports___OSi_National_250K_Map_Of_Ireland/FeatureServer/replicafilescache/Airports___OSi_National_250K_Map_Of_Ireland_-165009293102518145.geojson