Surveys
Survey operations in progress until further notice by M/V sw amundsen towing 12 8000 meter long cables in…
Eastern North Atlantic · Senegal · HYDROLANT 561/20
- issued
- 2020-02-16 16:07Z
- status
- cancelled 2020-02-27 15:39Z (archive)
- authority
- NAVAREA II 50/20 161603Z FEB 20.
- position
- 13.947, -17.600
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH ATLANTIC. SENEGAL. DNC 01. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V SW AMUNDSEN TOWING 12 8000 METER LONG CABLES IN AREA BOUND BY 14-20N 017-44W, 14-20N 017-15W, 13-35N 017-18W, 13-35N 017-57W, 14-13N 017-57W, 14-13N 017-44W. WIDE BERTH REQUESTED.
This area · survey operations
29 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
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 561/20 and this msg, operations completedcancelled by · 2020-02-27
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.