Surveys
Survey operations in progress until 16 feb by M/V pourquoi pas with submersible in areas: a. between…
Eastern South Atlantic · HYDROLANT 170/11
- issued
- 2011-01-28 14:19Z
- status
- cancelled 2011-02-02 09:29Z (archive)
- cancels
- HYDROLANT 166/11
- authority
- NAVAREA II 271307Z JAN 11.
- sea
- South Atlantic Ocean
- position
- -5.267, 9.944
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN SOUTH ATLANTIC.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 16 FEB BY
M/V POURQUOI PAS WITH SUBMERSIBLE IN AREAS:
A. BETWEEN
01-36.0S 01-33.0S AND 008-33.6E 008-30.0E.
B. BETWEEN
05-51.0S 05-45.0S AND 009-39.0E 009-45.0E.
C. BETWEEN
04-44.4S 04-49.2S AND 009-57.6E 009-53.4E.
D. BOUND BY
05-55.2S 009-55.8E, 04-57.6S 009-55.8E,
04-55.2S 009-58.2E, 04-57.6S 009-58.2E.
FOUR MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 166/11.
3. CANCEL THIS MSG 17 FEB.
This area · survey operations
62 within 180 nm since 2003 · 1 in the last 12 months · 1 in force now
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26
- Survey operations in progress until further notice by M/V ramform victory towing 12 three mile long cables…2026-07-03
- Survey operations in progress until further notice by M/V sw empress towing 7000 meter long cables in area…2023-08-12
- Survey operations 30 mar until further notice by M/V ramform vanguard towing ten 8000 meter long cables in…2023-03-28
- Survey operations in progress until further notice by M/V ramform vanguard towing 14 4500 meter long cables…2023-02-27
- Survey operations in progress until further notice by M/V ramform vanguard towing 12 4050 meter long cables…2022-11-07
- Survey operations in progress until further notice by M/V amazon conqueror towing 14 four mile long cables…2022-01-27
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Survey operations 28 jan thru 28 feb by M/V pourquoi pas in areas: a. between 01-36.0S 01-33.0S and…cancels · 2011-01-27
- Survey operations 28 jan thru 28 feb by M/V pourquoi pas in areas: a. between 01-36.0S 01-33.0S and…replaced · 2011-01-27
- Survey operations by M/V pourquoi pas with submersible: a. in progress until 102359Z feb in area between…cancelled by · 2011-02-02
Nearby now · within 120 nm
Worldwide now
84 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.