Shannon FIR

Shannon FIR is the Flight Information Region (FIR) for the country of Ireland. The Irish Aviation Authority is responsible for providing Air Traffic Control in this area and for regulating Irish aviation.

Its ICAO code is EISN.

Its boundaries are from surface to flight level (FL) 660. The class G airspace exists outside the Control Zones (CTR's - Class C Airspace) and Control Areas (CTA's - Class A & C Airspace), up to FL75. The high level (FL245-FL660) above the area around Donegal Co., is controlled by the Scottish Control (EGPX).

The Shannon FIR contains the SOTA (South Oceanic Transition Area) and NOTA (North Oceanic Transition Area), as of the start of 2006. The airspace there is FL55-FL660. Just like in rest of the FIR, the airspace there is class C up to FL200 and Class A, FL210 up to FL660.

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