Surveys
Survey operations 30 mar until further notice by M/V ramform vanguard towing ten 8000 meter long cables in…
Eastern South Atlantic · Angola · HYDROLANT 677/23
- issued
- 2023-03-28 14:21Z
- status
- cancelled 2023-04-24 14:52Z (archive)
- cancels
- HYDROLANT 458/23
- authority
- NAVAREA VII 95/23 281359Z MAR 23.
- position
- -7.306, 11.287
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN SOUTH ATLANTIC. ANGOLA. DNC 01. 1. SURVEY OPERATIONS 30 MAR UNTIL FURTHER NOTICE BY M/V RAMFORM VANGUARD TOWING TEN 8000 METER LONG CABLES IN AREA BOUND BY 07-18.10S 011-21.61E, 07-14.38S 011-18.61E, 07-18.00S 011-12.93E, 07-22.71S 011-15.93E. SEVEN MILE BERTH REQUESTED. 2. CANCEL HYDROLANT 458/23.
This area · survey operations
72 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 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
- 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 in progress until further notice by M/V ramform vanguard towing 14 4500 meter long cables…cancels · 2023-02-27
- Survey operations in progress until further notice by M/V ramform vanguard towing 14 4500 meter long cables…replaced · 2023-02-27
- Cancel HYDROLANT 677/23 and this msgcancelled by · 2023-04-24
Nearby now · 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.