Nga chart 71285 (4TH ed)
Malacca Strait · HYDROPAC 593/10
What this record establishes
Archived notice · 2010-12-25 00:27Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · NAVAREA XI 180/10 232342Z MAR 10.. Issued 2010-03-24 14:02Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- Malacca Strait. The parsed report position is 2.810, 100.942. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Nga chart 71271 (11TH ed)cancelled by this notice
- Cancel HYDROPAC 593/10 and this msg, aid restoredlater cancellation notice
Current notices and reporting history in the Malacca Strait →
- issued
- 2010-03-24 14:02Z
- status
- Archived notice
- authority
- NAVAREA XI 180/10 232342Z MAR 10.
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- Malacca Strait
- position
- 2.810, 100.942
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
MALACCA STRAIT. NGA CHART 71285 (4TH ED). 1. ONE FATHOM BANK BEACON 02-48.6N 100-56.5E UNLIT AND RACON OFF AIR. 2. CANCEL HYDROPAC 4/10.
Reading this warning
- Chart reference
- The number of the nautical chart on which the reported position lies.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- Unlit / extinguished
- A light, buoy or structure that is not showing its charted light.
- RACON (radar beacon)
- A radar beacon on a buoy, lighthouse or structure that answers a ship's radar with a Morse-code mark on the screen.
- Inoperative / unreliable / off air
- An aid or radio service is not working as charted or published.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROPAC
- The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
Collected reports in this area · aids-to-navigation notices
22 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- Mudah selatan light 01-25.2N 103-11.2E unlit2019-06-24
- Tanjung gelang light 03-57.8N 103-26.3E unlit2018-10-28
- One fathom bank south mark buoy 02-49.2N 100-56.2E missing2015-12-13
- RACON at one fathom bank north light 03-00.9N 100-51.9E off air2015-10-26
- RACON at mudah selatan light 01-25.2N 103-11.2E off air2015-05-14
- Nga chart 71285 (4TH ed)2010-03-23
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
138 aids-to-navigation notices listed in force · see all
Record snapshot 2026-10-01 11:46Z; source collection times vary.
Nav aids
Lights extinguished, buoys off station, RACON/NAVTEX outages. All current aids-to-navigation notices →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.