8000 meter long cable, marked by one yellow buoy with light and orange floating devices, adrift in 02-00.5N…
Gulf of Guinea · HYDROLANT 3503/18
What this record establishes
Archived notice · 2018-11-14 11:50Z
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 445/18 111114Z NOV 18.. Issued 2018-11-11 11:50Z. 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 2.008, 9.103. 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 3321/18, 3503/18 and this msglater cancellation notice
Current notices and reporting history in the Gulf of Guinea →
- issued
- 2018-11-11 11:50Z
- status
- Archived notice
- self-cancels
- 2018-11-14 11:50Z
- authority
- NAVAREA II 445/18 111114Z NOV 18.
- NAVAREA
- NAVAREA II · named as the source of this relay
- sea
- Gulf of Guinea
- position
- 2.008, 9.103
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
GULF OF GUINEA. EQUATORIAL GUINEA. DNC 01. CHART 57170. 1. 8000 METER LONG CABLE, MARKED BY ONE YELLOW BUOY WITH LIGHT AND ORANGE FLOATING DEVICES, ADRIFT IN 02-00.5N 009-06.2E. 2. CANCEL THIS MSG 141150Z NOV 18.
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.
- Chart reference
- The number of the nautical chart on which the reported position lies.
- Adrift
- Loose and moving with wind and current — a vessel, container, buoy, log or anything else no longer secured.
- 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.
- 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 · drifting objects
2 within 180 nm since 2010 · 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.
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
3 drifting objects listed in force · see all
Record snapshot 2026-10-02 03:26Z; source collection times vary.
Debris
Logs, buoys, mooring gear and other objects adrift. All current drifting objects →
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.