IVAO Ireland > Pilots > Airspace System > Division & Classifications

Division & Classifications


Controlled Airspace Uncontrolled Airspace Division & Classifications RVSM

General

In Ireland the Transition Altitude (TA) is 5000ft. The Transition Layer is calculated based on local air pressure.

Division

Flight Information Regions:

  • Shannon Flight Information Region (at and below FL245)
  • Shannon Upper Information Region (above FL245)

Control Area's

Shannon Control Area:

  • Shannon Lower Control Area (at and below FL245)
  • Shannon Upper Control Area (at and above FL250 up to FL660)

Dublin Control Area:

  • Dublin ACC North (at and below FL245)
  • Dublin ACC South (at and below FL245)

North and South are divided by the centre line of runway 10/28.

Control Zones:

  • Connaught, Cork, Donegal, Dublin, Galway, Kerry, Shannon, Sligo and Waterford.

Classification of airspaces

ATS airspaces are classified and designated in accordance with the following:

Class A:

  • IFR flights only are permitted,
  • All flights are subject to air traffic control service,
  • Separation is provided.

Airspace Classification A comprises:

  • Shannon Oceanic Transition Area (SOTA) at and above FL55 to Unlimited.
  • Northern Oceanic Transition Area (NOTA) at and above FL55 to Unlimited.

Class B:

  • Not utilized

Class C:

  • IFR and VFR flights are permitted,
  • All flights are subject to air traffic control service,
  • IFR flights are separated from other IFR flights and from VFR flights,
  • VFR flights are separated from IFR flights and receive traffic information in respect of other VFR flights.

Airspace Classification C comprises:

  • Shannon UTA FL245 - FL660
  • Shannon CTA up to FL245
  • Dublin CTA at and below FL245
  • CTR's Cork, Dublin and Shannon
  • CTR's Connaught, Donegal, Galway, Kerry, Sligo and Waterford during promulgated hours of activation.

Class D:

  • Not utilized

Class E:

  • Not utilized

Class F:

  • Not utilized

Class G:

  • IFR and VFR flights are permitted, and receive flight information if requested.

Airspace Classification G comprises:

  • All airspace within Shannon FIR, excluding airspace classified C as described above.