Shannon Fire and ATS frequencies are changed for 8.33 kHz channel spacing.

B1583/26

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COMRadio Frequency Changes

2026-08-06 00:00 - 2026-11-05 23:59

Duration:LONG4 months

Period of Applicability

2026-08-06 00:00 - 2026-11-05 23:59

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Interpretation

Shannon Airport air-ground frequencies are amended for 8.33 kHz channel spacing: Shannon Fire 121.605 MHz, Shannon Ground 121.805 MHz, Shannon Tower 118.705 MHz, backup Tower 125.380 MHz, Shannon Approach 121.405 MHz, and backup Approach 120.205 MHz. Shannon Fire 121.605 MHz should initially be requested through ATC, although ATC cannot access that frequency; it is available H24 within 8 NM of Shannon Airport.

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Raw NOTAM

B1583/26 NOTAMN
Q) EISN/QCAXX/IV/BO /AE/000/999/5242N00855W005
A) EINN B) 2608060000 C) 2611052359
E) FREQUENCIES CHANGED DUE TO CHANNEL SPACING UPDATE TO 8.33KHZ
AIP IRELAND AMENDMENT FREQUENCIES CHANGED DUE TO CHANNEL SPACING
UPDATE TO 8.33KHZ
REF EINN AD 2.6 RESCUE AND FIRE FIGHTING SERVICES, SECTION 4 REMARKS:
COMMUNICATION WITH RESCUE AND FIRE FIGHTING SERVICE FREQ CHANGED TO:
121.605
CALLSIGN 'SHANNON FIRE' FREQ CHANGED TO: 121.605 INSTEAD OF
121.600MHZ
121.605 SHOULD BE REQUESTED INITIALLY VIA ATC.
ATC DO NOT HAVE ACCESS TO 121.605
FREQUENCY 121.605 IS H24 AND IS AVBL WITHIN 8NM RADIUS OF SHANNON
AIRPORT
REF EINN AD 2.18 ATS COMMUNICATIONS FACILITIES AMENDED AS FOLLOWS:
GND
CALLSIGN 'SHANNON GROUND'
FREQ CHANGED TO: 121.805 INSTEAD OF 121.800MHZ
TWR
CALLSIGN 'SHANNON TOWER'
FREQ CHANGED TO: 118.705 INSTEAD OF 118.700MHZ
BACKUP TWR FREQ CHANGED TO: 125.380 INSTEAD OF 121.800MHZ
APP
CALLSIGN 'SHANNON APPROACH'
FREQ CHANGED TO: 121.405 INSTEAD OF 121.400MHZ
BACKUP APP FREQ CHANGED TO 120.205 INSTEAD OF 120.200MHZ
REF: AIP IRELAND
EINN AD 2.6 SECTION 4
AND
EINN AD 2.18

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