Applicability: All owners and operators of vessels equipped with high frequency narrow-band direct printing equipment

To ensure Global Maritime Distress and Safety System (GMDSS) communication capability, the IMO has issued guidance* requiring that high frequency (HF) radiocommunication equipment capable of operating narrow-band direct printing (NBDP) is updated, so that following the first radio survey after 1 January, 2017, it meets the channelling arrangements reflected in sections II and III of part B in appendix 17 of the 2012 Radio Regulations. HF NBDP is also known as HF direct-printing telegraphy.

Most existing equipment should already be compliant with the requirements. In a small number of cases, current software will have to be updated.

If existing equipment is unable to comply with the Radio Regulations it will need to be replaced, and the newly installed HF NBDP equipment should be suitably type approved.

Owners and operators of vessels equipped with HF NBDP equipment should ensure it is compliant in time for the first safety radio survey after 1 January, 2017.

*Published as MSC.1/Circ.1460 – Guidance on the Validity of Radiocommunications Equipment Installed and Used On Ships.

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