Surveys
Underwater operations in progress until further notice in area bound by 16-04N 016-32W, 16-04N 017-10W,…
HYDROLANT 218/08
- issued
- 2008-01-31 17:37Z
- status
- cancelled 2008-03-08 10:00Z (archive)
- authority
- NAVAREA II 41/08 311632Z JAN 08.
- position
- 15.745, -16.957
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE IN AREA BOUND BY 16-04N 016-32W, 16-04N 017-10W, 15-25N 017-22W, 15-25N 016-46W. WIDE BERTH REQUESTED.
This area · survey operations
31 within 180 nm since 2008 · 0 in the last 12 months · 0 in force now
08
10
15
20
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 272359Z nov by M/V sw empress towing ten five mile long cables in area…2020-11-26
Season · when survey operations happen here
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F
M
A
M
J
J
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month of issue, all years in the archive
Timeline
- HYDROLANT messages in force 080800Z mar 2008cancelled by · 2008-03-08
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.