Oceanographic buoy established in 14-09.7N 017-30.7W
North Atlantic Ocean · HYDROLANT 27/23
What this record establishes
Archived notice · 2023-02-07 13:57Z
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 II 7/23 032002Z JAN 23.. Issued 2023-01-03 20:45Z. 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 parsed report position is 14.162, -17.512. 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
- Cancel HYDROLANT 27/23 and this msglater cancellation notice
Current notices and reporting history in the North Atlantic Ocean →
- issued
- 2023-01-03 20:45Z
- status
- Archived notice
- authority
- NAVAREA II 7/23 032002Z JAN 23.
- NAVAREA
- NAVAREA II · named as the source of this relay
- sea
- North Atlantic Ocean
- position
- 14.162, -17.512
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH ATLANTIC. SENEGAL. DNC 01. OCEANOGRAPHIC BUOY ESTABLISHED IN 14-09.7N 017-30.7W. WIDE BERTH REQUESTED.
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.
- Scientific mooring
- Instruments anchored to the seabed and held up by floats, sometimes just below the surface, left for months to measure the ocean.
- 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.
Collected reports in this area · survey operations
30 within 180 nm since 2008 · 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 15 jan thru 18 mar by M/V grand canyon III in area bound by 16-02.00N 016-52.00W,…2023-01-14
- Underwater operations in progress until 31 may in 16-04.31N 016-52.09W2022-02-10
- Underwater operations in progress until further notice by M/V ocean blackrhino in 13-46N 017-37W2021-07-13
- Underwater operations in progress until further notice in area bound by 16-06.9N 016-35.2W, 16-06.8N…2021-02-06
- Survey operations in progress until 272359Z nov by M/V sw empress towing ten five mile long cables in area…2020-11-26
- Survey operations in progress until 31 jul by M/V bgp prospector towing ten 8000 meter long cables in area…2020-04-14
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 23:08Z; 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.