Surveys
Survey operations in progress until further notice by M/V ramform valiant towing ten cables in area bound by…
Eastern South Atlantic · Angola · HYDROLANT 455/12
- issued
- 2012-02-29 20:24Z
- status
- cancelled 2012-03-22 10:35Z (archive)
- cancels
- HYDROLANT 2263/11
- authority
- NAVAREA VII 58/12 291000Z FEB 12.
- position
- -11.739, 12.503
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN SOUTH ATLANTIC. ANGOLA. 1. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V RAMFORM VALIANT TOWING TEN CABLES IN AREA BOUND BY 10-48.8S 012-43.2E, 12-47.6S 012-43.2E, 12-48.1S 012-23.1E, 10-49.8S 012-12.1E. EIGHT MILE BERTH REQUESTED. 2. CANCEL HYDROLANT 2263/11.
This area · survey operations
10 within 180 nm since 2011 · 0 in the last 12 months · 0 in force now
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15
20
21
- Survey operations in progress until further notice by M/V ramform tethys towing 8025 meter long cable in…2021-07-29
- Survey operations in progress until further notice by M/V ramform tethys towing 8025 meter long cables in…2021-07-26
- Survey operations in progress until further notice by M/V ramform vanguard towing ten 8025 meter long cables…2020-02-24
- Survey operations in progress until further notice by M/V ramform sovereign towing 9000 meter long cables in…2019-02-04
- Survey operations in progress until further notice by M/V oceanic endeavour towing 12 cables in area bound…2012-07-16
- Survey operations in progress until further notice by M/V ramform valiant towing ten cables in area bound by…2012-03-22
Season · when survey operations happen here
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M
A
M
J
J
A
S
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D
month of issue, all years in the archive
Timeline
- Seismic survey in progress until further notice by M/V ramform valiant towing ten cables in area bound by…cancels · 2011-12-28
- Seismic survey in progress until further notice by M/V ramform valiant towing ten cables in area bound by…replaced · 2011-12-28
- Survey operations in progress until further notice by M/V ramform valiant towing ten cables in area bound by…cancelled by · 2012-03-22
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.