8.33kHz Conversion – Offshore Operations

All VHF radio frequency assignments used for offshore operations will convert to 8.33kHz from 3 January 2019. This means the way all channels are displayed and spoken will change.

Depcom will also change and become 122.955.

CAP1580 provides further detail on the change.  Associated AIP changes will be updated in AIRAC 01/2019 and AIP Supplement 062/2018 will publish the changes in advance.

Licence holders should contact the CAA (approvals.rcs@caa.co.uk) to advise of the radio equipage details for their installation, as new ANO Approvals need to be issued.



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