Surveys

Underwater operations 02 thru 04 sep by M/V kairei with submersible in area bound by 29-08.0N 140-42.0E,…

Philippine Sea · HYDROPAC 2582/13

What this record establishes

Archived notice · 2013-09-05 00:01Z

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 635/13 281158Z AUG 13 - NAVAREA XI 634/13 281158Z AUG 13.. Issued 2013-08-28 16:18Z. 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

Current notices and reporting history in the Philippine Sea →

issued
2013-08-28 16:18Z
status
Archived notice
authority
NAVAREA XI 635/13 281158Z AUG 13 - NAVAREA XI 634/13 281158Z AUG 13.
NAVAREA
NAVAREA XI · named as the source of this relay
sea
Philippine Sea
position
29.090, 140.718
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

WESTERN NORTH PACIFIC.
NAMPO SHOTO.
1. UNDERWATER OPERATIONS 02 THRU 04 SEP
   BY M/V KAIREI WITH SUBMERSIBLE
   IN AREA BOUND BY
   29-08.0N 140-42.0E, 29-05.0N 140-44.0E,
   29-03.3N 140-44.0E, 29-03.3N 140-43.0E,
   29-05.0N 140-43.0E, 29-08.0N 140-41.5E.
2. CANCEL HYDROPAC 2568/13(96,97).
3. CANCEL THIS MSG 05 SEP 13.

Reading this warning

Underwater operations
Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
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.

All warning terms →

Collected reports in this area · survey operations

53 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now

99
00
05
10
15
20
24

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.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

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

Worldwide in the collected sources

50 survey operations listed in force · see all

Record snapshot 2026-09-24 23:58Z; 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.