IVAO Ireland > Controllers > SSR Codes

SSR Transponder Codes

General

In Ireland, IFR and VFR, which are in controlled airspace, get the same transponder codes assigned.

Assignments

Eastbound:

  • 2001 to 2077
  • 2701 to 2737
  • 0401 to 0437

to United Kingdom:

  • 1420 to 1457
  • 4215 to 4245

Oceanic / Domestic:

  • 0060 to 0067
  • 0070 to 0077
  • 2601 to 2657

Other regulations

  • Incoming traffic with code 2000, are assigned a domestic code.
  • Incoming traffic which already has a code assigned will keep current code. (ORCAM)
  • Traffic coming from the Atlantic get a code depending on the destination, same as departing aircraft.
  • Aircraft flying a North Atlantic Track should set code 2000 after 30 minutes flying on the NAT.

  • Aircraft departing without ATC:
  •  2000
  • Traffic in uncontrolled airspace:
  •  7000

    Special codes:

  • Unlawful Interference:
  •  7500 (NOT ALLOWED ON IVAO)
  • Radio Failure:
  •  7600
  • Emergency:
  •  7700