Surveys

Underwater operations 29 may thru 08 jun by M/V kairei and M/V kaiko within: a. three miles of: 1. 11-14N…

Philippine Sea · HYDROPAC 773/00

What this record establishes

Archived notice · 2000-06-09 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 280/00 240806Z MAY 00; CDR USAKA KWASALEIN OP #W2532 240956Z MAY 00; NAVCEN ALEXANDRIA 240300Z MAY 00. Issued 2000-05-24 08:40Z. 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 parsed report position is 14.788, 142.810. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Related notices and cancellation links

Current notices and reporting history in the Philippine Sea →

issued
2000-05-24 08:40Z
status
Archived notice
authority
NAVAREA XI 280/00 240806Z MAY 00; CDR USAKA KWASALEIN OP #W2532 240956Z MAY 00; NAVCEN ALEXANDRIA 240300Z MAY 00
NAVAREA
NAVAREA XI · named as the source of this relay
sea
Philippine Sea
position
14.788, 142.810
vessels
M/V KAIKO · 8 messagesM/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. UNDERWATER OPERATIONS 29 MAY THRU 08 JUN BY
   M/V KAIREI AND M/V KAIKO WITHIN:
   A. THREE MILES OF:      
      1. 11-14N 143-30E.
      2. 12-43N 143-31E.
      3. 13-05N 143-42E. 
      4. 20-05N 144-00E.
   B. FIVE MILE OF:
      1. 13-47N 146-03E.
      2. 16-25N 139-28E.
      3. 16-12N 139-26E.
2. CANCEL HYDROPAC 740/00(81), OPERATIONS COMPLETED.
3. CANCEL HYDROPAC 770/00(GEN).
4. CANCEL THIS MSG 09 JUN.

Reading this warning

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

18 within 180 nm since 2000 · 0 in the last 12 months · 0 listed in force now

00
05
10
15
20
25

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

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

55 survey operations listed in force · see all

Record snapshot 2026-10-02 07:46Z; 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.