Scientific mooring established in 06-09.69N 002-35.47E
Gulf of Guinea · HYDROLANT 873/15
What this record establishes
Archived notice · 2015-05-12 20:22Z
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 121/15 131510Z APR.. Issued 2015-04-13 16:15Z. 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
- Gulf of Guinea. The parsed report position is 6.162, 2.591. 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 873/15 and this msglater cancellation notice
Current notices and reporting history in the Gulf of Guinea →
- issued
- 2015-04-13 16:15Z
- status
- Archived notice
- authority
- NAVAREA II 121/15 131510Z APR.
- NAVAREA
- NAVAREA II · named as the source of this relay
- sea
- Gulf of Guinea
- position
- 6.162, 2.591
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
GULF OF GUINEA. DNC 01. SCIENTIFIC MOORING ESTABLISHED IN 06-09.69N 002-35.47E.
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.
Collected reports in this area · survey operations
14 within 180 nm since 2002 · 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.
- Survey operations in progress until further notice by M/V ramform atlas towing 14 11100 meter long cables in…2022-03-01
- Survey operations in progress until 30 jul by M/V dong fang kan tan NO1, M/V dong fang kan tan NO2, M/V dong…2019-01-14
- Hydrographic survey 20 thru 28 may by M/V laplace towing 500 meter long cable in area bound by 06-11.62N…2015-05-17
- Scientific moorings temporarily established in: a. 06-06.341N 001-31.762E2015-05-14
- Scientific moorings temporarily established in: a. 06-06.341N 001-31.762E2015-05-13
- Underwater operations in progress until further notice by M/V saipem 10000 in 05-44.4N 004-26.3E2003-09-03
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
56 survey operations listed in force · see all
Record snapshot 2026-10-03 22:35Z; 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.