Port Operations Control Centre, Maritime and Port Authority of Singapore
Recorded as: SPOCC
The Singapore port authority's control centre, which issues warnings for the Singapore Strait and port waters.
National warning services and NAVAREA coordinators collect reports of dangers in their waters — from hydrographic surveys, navies, ports and ships — and broadcast them as numbered navigational warnings, some ocean-wide and some coastal.
What the archive holds
682 messages in this archive record SPOCC as their authority, issued from 2001-01-10 to 2023-05-31. None of them is in force in the latest lists we collected.
Incidents accounts for 494 of 682 recorded messages (72%), the largest warning type group in this selection.
Attributed to NAVAREAs, they fall mostly in NAVAREA XI (2), NAVAREA VIII (1) and NAVAREA X (1).
Located messages lie in 18 sea areas, most often South China Sea, Singapore Strait and Malacca Strait.
The largest yearly count is 2013, with 63 messages.
Across all years its messages are issued most often in December and least often in February.
They reached this archive through HYDROPAC (682).
Messages by year of issue
By month of issue, all years
Warning types
Where
NAVAREA XI 2 · NAVAREA VIII 1 · NAVAREA X 1
Most recently issued
- HYDROPAC 1811/23 · Incidents · South China Sea2023-05-31Distress signal received on 406 mhz in 08-16.68N 106-10.80E at 310130Z may
- HYDROPAC 101/22 · Incidents · South China Sea2022-01-12Distress signal received from M/V voc batavia in 02-21.4N 105-19.22E at 120800Z jan
- HYDROPAC 597/21 · Incidents · South China Sea2021-02-20Distress signal received in vicinity 03-37.8N 108-07.8E at 200827Z feb
- HYDROPAC 586/21 · Incidents · South China Sea2021-02-19Distress signal received in vicinity 03-37.8N 108-08.5E at 191411Z feb
- HYDROPAC 244/21 · Incidents · Andaman or Burma Sea2021-01-19Vessel au libra unreported in vicinity 13-49.57N 094-02.59E at 181242Z jan
- HYDROPAC 178/21 · Incidents · South China Sea2021-01-14Distress signal received in 05-20.28N 111-00.44E at 141352Z jan
- HYDROPAC 36/21 · Incidents · South China Sea2021-01-04Distress signal received from vessel in vicinity 08-46-23N 109-04-08E at 040851Z jan
- HYDROPAC 1/21 · Incidents · South China Sea2021-01-01Distress signal received in 06-41N 113-40E at 311833Z dec
Earliest in the archive
Other national warning services in NAVAREA XI
- AUSCOAST6,382
- MNZ2,030
- JAPAN COAST GUARD1,186
- MENAS298
Counts are messages recording this issuer as their authority, recounted 2026-09-24; see coverage for what is collected. Not for navigation.