Pipeline operations 092000Z to 300600Z may by M/V ocean guardian in area bound by 13-33-11N 144-48-27E,…
Philippine Sea · HYDROPAC 1374/21
What this record establishes
Archived notice · 2021-05-30 07:00Z
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) · COMCOGARD SECTOR GUAM 178/21 070632Z MAY 21.. Issued 2021-05-07 08:57Z. 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 →
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2021-05-09 20:00Z | 2021-05-30 06:00Z | — | 490 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2021-05-07 08:57Z
- status
- Archived notice
- self-cancels
- 2021-05-30 07:00Z
- authority
- COMCOGARD SECTOR GUAM 178/21 070632Z MAY 21.
- issued by
- COMCOGARD SECTOR GUAM
- sea
- Philippine Sea
- position
- 13.552, 144.807
- vessel
- M/V OCEAN GUARDIAN · 3 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. GUAM. DNC 12. 1. PIPELINE OPERATIONS 092000Z TO 300600Z MAY BY M/V OCEAN GUARDIAN IN AREA BOUND BY 13-33-11N 144-48-27E, 13-33-04N 144-48-27E, 13-33-04N 144-48-24E, 13-33-11N 144-48-24E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 300700Z MAY 21.
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.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
- 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.
- Wide berth requested
- Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · cable & pipeline work
15 within 180 nm since 2015 · 2 in the last 12 months · 1 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.
- Submarine cable recovery works by M/V aniek, 1008 tons, until further notice2026-09-28
- Cable operations in progress until further notice by cableship aniek along trackline joining 11-52.00N…2026-09-27
- Cable operations 09 jun until further notice by cableship rene descartes in area bound by 13-32.70N…2025-05-29
- Cable operations in progress until further notice by cableship ile de brehat along trackline joining…2024-05-07
- Cable operations 2000Z to 0800Z daily 26 jan thru 02 feb by c/s rene descartes in vicinity of trackline…2022-01-26
- Cable operations 25 jan until further notice by c/s rene descartes in vicinity of trackline joining 13-28.0N…2022-01-20
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
- Uscg remote communication facility guam 13-29.00N 144-50.00E broadcast and communication services unreliableNav aids · 4.4 nm
- Guam hf NAVTEX station, V, 13-29.0N 144-50.0E, off airNav aids · 4.4 nm
- Hazardous operations 252000Z to 261000Z sep in area bound by 13-32.00N 144-04.00E, 13-32.00N 144-27.00E,…Exercises · 35.2 nm
- Due to tropical storm bavi: 1. the following port(s) are closed: a. rota island 14-08.35N 145-08.09EStorms · 42.6 nm
Worldwide in the collected sources
25 cable & pipeline work listed in force · see all
Record snapshot 2026-09-29 15:49Z; source collection times vary.
Cable ops
Cable laying, pipeline and seismic operations. All current cable & pipeline work →
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.