NEWS
The revised A3 Area Requirements
The revised SOLAS Chapter IV (IMO Resolution MSC.496(105)), effective 1 January 2024, brings updated requirements for radio communications applicable to all new and existing ships operating in Sea Area A3.
The IMO’s COMSAR Sub-Committee has also updated its guidance on radio installations through COMSAR.1/Circ.32/Rev.3, superseding Rev.2, focusing on harmonization of GMDSS requirements and improving safety and distress communication.
Revised Equipment Requirements
Ships trading in Areas A1 – A3 must ensure compliance with updated radio equipment requirements:
- VHF radio with DSC and continuous watch on channels 70 and 16.
- MF radio with DSC watch on 2187.5 kHz and HF DSC as applicable.
- Satellite Earth Station (SES) for Recognized Mobile Satellite Service (RMSS).
- EPIRB, Radar SART or AIS SART, and portable GMDSS VHF radios.
- Automatic position updates to all relevant communication systems.
DuplicationofEquipment
A single MF/HF radio installation may now serve as both:
- The primary MF installation.
- The duplicated MF/HF installation (as clarified in Rev.3).
PassengerShipRequirements
Passenger vessels must also carry:
- 'Distress panel' and 'distress alarm panel' (SOLAS IV/6.4 & 6.6).
- Two-way on-scene communication on 121.5 MHz and 123.1 MHz from the navigating bridge.
To be implemented:
- All ships must ensure their GMDSS equipment meets the post-2024 configuration as per COMSAR.1/Circ.32/Rev.3.
- Surveyors and auditors should verify compliance during routine and special surveys.
- Ship managers and operators should review equipment duplication and confirm regulatory approval.
For further information please refer to the revised circular COMSAR.1/Circ.32/Rev.3.
Reference: technical@phrs.gr