Survey operations in progress until 31 aug by M/V perantau in area bound by 01-16.2N 103-30.6E, 01-14.6N…
Malacca Strait · HYDROPAC 805/99
What this record establishes
Archived notice · 1999-09-01 06:00Z
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 490/99. Issued 1999-08-17 02:15Z. 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 map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Current notices and reporting history in the Malacca Strait →
- issued
- 1999-08-17 02:15Z
- status
- Archived notice
- authority
- NAVAREA XI 490/99
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- Malacca Strait
- position
- 1.281, 103.454
- vessel
- M/V PERANTAU
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS IN PROGRESS UNTIL 31 AUG BY M/V PERANTAU IN AREA BOUND BY 01-16.2N 103-30.6E, 01-14.6N 103-30.6E, 01-13.6N 103-34.7E, 01-12.6N 103-34.7E, 01-12.6N 103-29.8E, 01-14.4N 103-23.6E, 01-23.0N 103-23.6E, 01-23.0N 103-25.6E. 2. CANCEL THIS MSG 01 SEP.
Reading this warning
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- Area bound by
- Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
- 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.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · survey operations
18 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.
- Survey operations in progress until 03 nov in area bound by 01-20.28N 104-24.29E, 01-20.28N 104-24.79E,…2019-09-17
- Salvage operations in progress until further notice in area bound by 01-25.99N 104-27.08E, 01-26.21N…2017-12-25
- Salvage operations in progress until 31 dec in area bound by 01-25.99N 104-27.08E, 01-26.21N 104-27.50E,…2017-12-24
- Salvage operations in progress until 27 nov in area bound by 01-26.0N 104-27.1E, 01-26.2N 104-27.5E,…2017-10-23
- Dangerous wreck in 01-25.92N 104-27.39E2017-10-07
- Underwater operations 2300Z to 1115Z commencing daily until 04 jun by M/V surf allamanda in area bound by…2017-05-31
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
- Batu berhanti isolated danger marks light buoy, 01-11.76N 103-52.51E, temporarily removedNav aids · 25.8 nm
- Batu berhanti isolated danger light buoy 01-11.76N 103-52.51E temporarily removedNav aids · 25.8 nm
- Submarine cable repairing works by c/v peter faber, 23 sep to until further noticeCable ops · 40.9 nm
- Cable operations in progress until further notice by cableship peter faber in vicinity 01-16.75N 104-08.14ECable ops · 40.9 nm
Worldwide in the collected sources
55 survey operations listed in force · see all
Record snapshot 2026-10-02 05:48Z; source collection times vary.
Surveys
Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →
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.