Survey operations 03 thru 28 dec by M/V polar duke towing 6000 meter long cable in area bound by 25-37.5N…
Philippine Sea · HYDROPAC 2065/03
What this record establishes
Archived notice · 2003-12-29 00:00Z
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 604/03 280805Z NOV 03. Issued 2003-11-28 11:40Z. 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
- Philippine Sea. 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 Philippine Sea →
- issued
- 2003-11-28 11:40Z
- status
- Archived notice
- authority
- NAVAREA XI 604/03 280805Z NOV 03
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- Philippine Sea
- position
- 21.132, 139.711
- vessel
- M/V POLAR DUKE · 44 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS 03 THRU 28 DEC BY M/V POLAR DUKE TOWING 6000 METER LONG CABLE IN AREA BOUND BY 25-37.5N 141-51.7E, 25-23.0N 144-15.1E, 24-07.5N 145-19.4E, 20-41.9N 141-01.8E, 15-26.3N 140-09.5E, 14-28.7N 138-30.4E, 22-37.6N 135-16.6E. 2. CANCEL THIS MSG 29 DEC.
Reading this warning
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- 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.
- 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
6 within 180 nm since 2003 · 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 28 oct thru 03 nov by M/V yokosuka in areas bound by: a. 22-00N 138-00E, 26-00N 138-00E,…2020-10-27
- Underwater operations in progress until 14 feb by unmanned seven meter vessel in vicinity of trackline…2019-01-03
- Oceanographic operations 19 thru 29 sep by M/V hakuho maru towing 7000 meter long cable a. in area bound by…2007-09-14
- Hydrographic survey 22 thru 28 aug by M/V hakuho maru towing 7000 meter long cable in area bound by 14-00N…2007-08-17
- Survey operations 15 may thru 06 jun by M/V kairei towing 5500 meter long cable in areas: a. between 27-10N…2006-05-10
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
50 survey operations listed in force · see all
Record snapshot 2026-09-25 01:56Z; 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.