Survey operations in progress until further notice by M/V wg vespucci towing six 4000 meter long cables in…
Malacca Strait · HYDROPAC 2991/17
What this record establishes
Archived notice · 2017-10-08 00:14Z
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 557/17 020610Z SEP 17.. Issued 2017-09-02 07:58Z. 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.
Related notices and cancellation links
- Survey operations in progress until further notice by M/V wg vespucci towing eight 8000 meter long cables in…cancelled by this notice
- Cancel HYDROPAC 2991/17 and this msg, operations completedlater cancellation notice
Current notices and reporting history in the Malacca Strait →
- issued
- 2017-09-02 07:58Z
- status
- Archived notice
- authority
- NAVAREA XI 557/17 020610Z SEP 17.
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- Malacca Strait
- position
- 3.220, 100.841
- vessel
- M/V WG VESPUCCI · 26 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
STRAIT OF MALACCA. MALAYSIA. DNC 03. 1. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V WG VESPUCCI TOWING SIX 4000 METER LONG CABLES IN AREA BOUND BY 03-24N 100-27E, 03-36N 100-39E, 03-06N 101-09E, 02-55N 101-11E, 02-49N 101-06E. 2. CANCEL HYDROPAC 2440/17.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- Until further notice
- The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
- Towed array / streamer
- Equipment towed a long way behind a vessel — sonar, a hydrophone cable, a sampling sled — invisible at the surface.
- Tow / towing
- A vessel towing another vessel, a barge or a structure — slow, hard to manoeuvre, and with a long line between.
- 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.
- 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 · survey operations
9 within 180 nm since 1999 · 1 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 30 sep 26 by M/V pxgeo 2 towing eight five mile long cables in area…2025-11-25
- Salvage operations in progress until 08 jun 10 in area bounded by 01-58.0N 102-10.7E, 01-57.7N 102-11.6E,…2008-08-05
- Salvage operations in progress until 08 jun 10 vicinity 01-57.7N 102-10.6E2008-07-09
- Salvage operations in progress until 18 jun 09 vicinity 02-53.1N 100-59.0E2008-07-09
- Salvage operations in progress until 30 jan 08 vicinity 02-53.1N 100-59.0E2007-09-03
- Salvage operations in progress until 30 jan 08 vicinity 02-53.1N 100-59.0E2007-08-14
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
56 survey operations listed in force · see all
Record snapshot 2026-10-01 19:39Z; 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.