Guidance

Safety bulletin 34 – termination of some HF GMDSS services

The Global Maritime Distress and Safety System (GMDSS) services using 2-way narrow-band direct-printing (2W-NBDP) for distress and safety communications in the high frequency (HF) band will cease at midnight on 31 December 2023.

• From: Maritime and Coastguard Agency
• Published: 13 December 2023

Documents

Safety Bulletin 34 – termination of some HF GMDSS services

Ref: SBI034

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Details

For the attention of ships with Global Maritime Distress and Safety System (GMDSS) high frequency (HF) radio installations and radio operators. GMDSS services using 2-way narrow-band direct-printing (2W-NBDP) for distress and safety communications in the HF-band will cease at midnight on 31/12/2023.

Published 13 December 2023