Survey operations 29 oct thru 19 nov by M/V kairei towing 5500 meter long cable in area bound by 33-00N…
Philippine Sea · HYDROPAC 2023/06
What this record establishes
Archived notice · 2006-11-20 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 456/06 240805Z OCT 06; PVMM.. Issued 2006-10-24 09:34Z. 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.
Related notices and cancellation links
- Broadcasts will be transmitted from NAVTEX station valparaisocancelled by this notice
Current notices and reporting history in the Philippine Sea →
- issued
- 2006-10-24 09:34Z
- status
- Archived notice
- authority
- NAVAREA XI 456/06 240805Z OCT 06; PVMM.
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- Philippine Sea
- position
- 26.015, 138.692
- vessel
- M/V KAIREI · 81 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. SURVEY OPERATIONS 29 OCT THRU 19 NOV BY M/V KAIREI TOWING 5500 METER LONG CABLE IN AREA BOUND BY 33-00N 134-00E, 33-00N 151-00E, 24-00N 151-00E, 24-00N 140-00E, 18-00N 140-00E, 18-00N 126-00E, 20-00N 126-00E. 2. CANCEL HYDROPAC 1996/06, HYDROPAC 2016/06 REFERS. 3. CANCEL THIS MSG 20 NOV.
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.
- 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.
- 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
23 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.
- Underwater operations 04 thru 21 may by submersible shinkai 6500 and M/V yokosuka in area bound by 28-22.00N…2024-05-03
- Underwater operations 20 thru 27 mar by M/V shinkai 6500 and M/V yokosuka in areas bound by: a. 28-33.5N…2021-03-19
- 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 07 to 09 aug by M/V shinkai 6500 and M/V yokosuka in area bound by 26-54N 141-24E,…2019-08-06
- Underwater operations 07 and 08 feb by M/V kairei with submersible within 1000 meters of 25-46.0N 137-00.5E2013-02-02
- Underwater operations 22 nov by M/V kairei with submersible within 1000 meters of 25-46.0N 137-00.5E2012-11-17
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 2026-09-24 23:54Z; 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.