Surveys
Survey operations in progress until 272359Z nov by M/V sw empress towing ten five mile long cables in area…
Eastern North Atlantic · Senegal · HYDROLANT 3682/20
- issued
- 2020-11-26 15:04Z
- status
- cancelled 2020-11-28 01:00Z (archive)
- self-cancels
- 2020-11-28 01:00Z
- cancels
- HYDROLANT 2816/20
- authority
- NAVAREA II 364/20 261453Z NOV 20.
- position
- 15.260, -18.966
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH ATLANTIC. SENEGAL. DNC 01. 1. SURVEY OPERATIONS IN PROGRESS UNTIL 272359Z NOV BY M/V SW EMPRESS TOWING TEN FIVE MILE LONG CABLES IN AREA BOUND BY 16-03N 019-35W, 16-03N 018-52W, 15-00N 018-02W, 14-36N 018-28W, 14-36N 019-35W. WIDE BERTH REQUESTED. 2. CANCEL HYDROLANT 2816/20. 3. CANCEL THIS MSG 280100Z NOV 20.
This area · survey operations
30 within 180 nm since 2008 · 0 in the last 12 months · 0 in force now
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23
- 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
- Oceanographic buoy established in 14-09.7N 017-30.7W2023-01-03
- 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 31 jul by M/V bgp prospector towing ten 8000 meter long cables in area…2020-04-14
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
73 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.