Surveys
Survey operations in progress until 20 apr by M/V W.G
Eastern South Atlantic · Angola · HYDROLANT 361/11
- issued
- 2011-03-03 13:56Z
- status
- cancelled 2011-04-21 00:01Z (archive)
- cancels
- HYDROLANT 267/11
- authority
- NAVAREA VII 42/11 031306Z MAR 11; - NAVAREA VII 43/11 031235Z MAR 11.
- position
- -7.701, 11.339
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN SOUTH ATLANTIC.
ANGOLA.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 20 APR
BY M/V W.G. AMUNDSEN IN AREAS BOUND BY:
A. 07-32.1S 011-04.4E, 07-36.3S 011-28.6E,
07-36.3S 011-31.9E, 07-36.3S 011-40.8E,
07-43.8S 011-40.8E, 07-49.9S 011-38.2E,
07-49.9S 011-04.4E.
B. 07-33.7S 011-08.2E, 07-33.7S 011-26.1E,
07-37.9S 011-29.3E, 07-37.9S 011-37.0E,
07-43.8S 011-37.0E, 07-43.8S 011-35.1E.
C. 07-36.6S 011-31.6E, 07-31.7S 011-18.9E,
07-45.6S 011-13.6E, 07-50.6S 011-26.3E.
WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 267/11.
3. CANCEL THIS MSG 21 APR.
This area · survey operations
73 within 180 nm since 2003 · 1 in the last 12 months · 1 in force now
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- 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 6500 meter long cables…2023-01-05
- Survey operations in progress until further notice by M/V ramform vanguard towing 12 4050 meter long cables…2022-11-07
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
Nearby now · within 120 nm
Worldwide now
75 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.