Surveys
Dredging operations in progress until 15 dec by M/V argonaut in area bound by 04-21.61N 008-33.96E,…
HYDROLANT 1901/07
- issued
- 2007-11-15 17:08Z
- status
- cancelled 2007-12-16 00:00Z (archive)
- authority
- NAVAREA II 415/07 151642Z NOV 07.
- sea
- Gulf of Guinea
- position
- 4.396, 8.571
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. DREDGING OPERATIONS IN PROGRESS UNTIL 15 DEC BY M/V ARGONAUT IN AREA BOUND BY 04-21.61N 008-33.96E, 04-25.95N 008-33.96E, 04-25.95N 008-34.50E, 04-21.61N 008-34.51E. WIDE BERTH REQUESTED. 2. CANCEL THIS MSG 16 DEC.
This area · survey operations
29 within 180 nm since 2003 · 0 in the last 12 months · 0 in force now
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- Survey operations in progress until 22 apr by M/V borda in area bound by 03-44.80N 009-21.70E, 03-52.20N…2024-04-14
- Survey operations in progress until 09 apr by M/V borda in area bound by 03-44.8N 009-21.7E, 03-52.2N…2024-04-03
- Survey operations 27 mar thru 15 may by M/V rem saltire and M/V bgp dragon in area bound by 03-06.80N…2024-03-24
- Survey operations 12 feb thru 26 mar by M/V bgp dragon and M/V rem saltire in area bound by 03-17.54N…2024-02-09
- Survey operations 10 dec thru 15 jan 24 by M/V apollo, M/V vanguard and M/V thor freyja in areas bound by:…2023-12-07
- Survey operations 17 nov thru 09 dec by M/V vanguard and M/V thor freyja in area bound by 03-14.94N…2023-11-14
Season · when survey operations happen here
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month of issue, all years in the archive
Nearby now · within 120 nm
- Dangerous wreck in 04-18.50N 007-02.20EWrecks · 92 nm
Worldwide now
86 survey operations in force · see all
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.