CAA confirms permanent ‘listening out squawk’ for Glasgow

- London, U.K.

Following their successful implementation in other parts of the country, a ‘listening out squawk’ covering Glasgow Airport is to be implemented, the UK Civil Aviation Authority (CAA) confirmed today.  The squawk will become permanent on 2 April 2015 and will be the twelfth such code in operation in the UK.

Listening out squawks, officially known as Frequency Monitoring Codes, have played a vital role in reducing infringements of controlled airspace by enabling air traffic controllers to alert pilots if their aircraft looks likely to infringe.  Any aircraft fitted with a Mode A/C or Mode S transponder can use these codes.  By entering the relevant four-digit code into the transponder and listening to the published radio frequency, a pilot signifies to air traffic control that he/she is actively monitoring radio transmissions on that frequency and their aircraft position is visible on radar.

The Glasgow listening out squawk code is 2620 and the radio frequency to monitor for Glasgow is 119.1MHz. It is recommended that pilots flying within 40NM of Glasgow Airport use the code.

An Information Notice with more details has been published today by the CAA.

For further media information contact the CAA Press Office on: 0207 453 6030 or


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