Trinidad and tobago
North Atlantic Ocean · NAVAREA IV 693/23
What this record establishes
Archived notice · 2023-06-22 23:20Z
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) · TRINIDAD AND TOBAGO 74/23 211725Z JUN 23.. Issued 2023-06-21 19:24Z. 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
- North Atlantic Ocean. 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
- Trinidad and tobagolater cancellation notice
Current notices and reporting history in the North Atlantic Ocean →
- issued
- 2023-06-21 19:24Z
- status
- Archived notice
- self-cancels
- 2023-07-22 00:01Z
- authority
- TRINIDAD AND TOBAGO 74/23 211725Z JUN 23.
- NAVAREA
- NAVAREA IV
- issued by
- TRINIDAD AND TOBAGO
- sea
- North Atlantic Ocean
- position
- 11.288, -59.991
- vessel
- M/V ISLAND PRIDE · 8 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH ATLANTIC. TRINIDAD AND TOBAGO. 1. UNDERWATER OPERATIONS 22 JUN THRU 21 JUL BY M/V ISLAND PRIDE IN AREA BOUND BY 11-08.11N 060-27.76W, 11-12.96N 060-26.06W, 11-13.84N 060-25.62W, 11-14.79N 060-25.34W, 11-15.66N 060-25.22W, 11-17.28N 060-25.01W, 11-22.67N 060-18.32W, 11-37.65N 059-31.54W, 11-37.59N 059-26.24W, 11-35.83N 059-25.61W, 11-28.08N 059-26.69W, 10-52.83N 060-15.93W. ONE MILE BERTH REQUSTED. 2. CANCEL THIS MSG 220001Z JUL 23.
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.
- 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.
- 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.
Collected reports in this area · survey operations
181 within 180 nm since 2002 · 8 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.
- Trinidad and tobago2026-09-14
- Trinidad and tobago2026-09-04
- Trinidad and tobago2026-08-28
- Trinidad and tobago2026-08-27
- Trinidad and tobago2026-08-27
- Trinidad and tobago2026-08-25
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
- Trinidad and tobagoNav aids · 51 nm
- Trinidad and tobagoSurveys · 73.5 nm
- Trinidad and tobagoNav aids · 79.5 nm
- Trinidad and tobagoCable ops · 87.3 nm
- Trinidad and tobagoNav aids · 90.8 nm
- Trinidad and tobagoWrecks · 104.9 nm
- Trinidad and tobagoNav aids · 109.8 nm
- GrenadinesWrecks · 114.4 nm
Worldwide in the collected sources
56 survey operations listed in force · see all
Record snapshot 2026-10-02 20:23Z; 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.