MPA Singapore
The MPA Singapore issues Reporting Procedures For Notification Of Arrival At Singapore For Vessels Less Than 300GT.
With effect from 1 January 2012 at 0001hrs, the owner, agent, master or person-in-charge of a vessel of less than 300 GT shall notify the Port Master at least 12 hours prior to the arrival of the vessel at Singapore.
A vessel returning from a location in the Singapore Strait may transmit the notification of arrival report via VHF radio immediately on departure from the location. This report shall be transmitted on VHF Channel 10 for a vessel in the VTIS East sector, VHF Channel 14 for a vessel in the VTIS Central sector or VHF Channel 73 for a vessel in the VTIS West sector of the Singapore Strait.
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Source: MPA Singapore