16 kilometer long seismic cable adrift vicinity 03-08N 007-17E at 201000Z mar
Gulf of Guinea · HYDROLANT 791/14
What this record establishes
Archived notice · 2014-03-23 12:30Z
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 102/14 201152Z MAR 14.. Issued 2014-03-20 12:31Z. 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 3.133, 7.283. 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 791/14 and this msglater cancellation notice
Current notices and reporting history in the Gulf of Guinea →
- issued
- 2014-03-20 12:31Z
- status
- Archived notice
- self-cancels
- 2014-03-23 12:30Z
- authority
- NAVAREA II 102/14 201152Z MAR 14.
- NAVAREA
- NAVAREA II · named as the source of this relay
- sea
- Gulf of Guinea
- position
- 3.133, 7.283
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
GULF OF GUINEA. 1. 16 KILOMETER LONG SEISMIC CABLE ADRIFT VICINITY 03-08N 007-17E AT 201000Z MAR. 2. CANCEL THIS MSG 231230Z MAR 14.
Reading this warning
- Seismic survey
- A survey that maps the rock beneath the seabed with sound pulses from air guns, recorded on streamers kilometres long.
- 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.
- 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.
- 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
57 within 180 nm since 2000 · 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.
- Cable operations in progress until further notice by cableship ile de sein along trackline joining 03-00.70N…2024-05-04
- Cable operations 06 apr until further notice by cableship ile de sein along trackline joining 03-14.80N…2024-04-05
- Cable operations in progress until further notice by cableship ile de sein along trackline joining 01-28.20N…2024-02-28
- Cable operations in progress until further notice by cableship ile de sein along trackline joining 00-24.40N…2024-02-20
- Cable operations in progress until further notice by cableship ile de sein along trackline joining 00-28.70N…2024-02-11
- Seismic survey in progress until 010001Z jul by M/V bgp prospector towing ten six mile long cables in area…2023-03-09
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
- Aids to navigationNav aids · 59.6 nm
- Newly discovered dangersWrecks · 72.1 nm
- Dangerous wreck in 04-18.50N 007-02.20EWrecks · 72.1 nm
Worldwide in the collected sources
23 cable & pipeline work listed in force · see all
Record snapshot 2026-10-04 03:52Z; 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.