Surveys
Survey operations in progress until further notice by M/V ramform sovereign towing 8025 meter long cables in…
Eastern South Atlantic · Angola · HYDROLANT 300/20
- issued
- 2020-01-28 09:55Z
- status
- cancelled 2020-08-25 13:20Z (archive)
- authority
- NAVAREA VII 24/20 280943Z JAN 20.
- position
- -16.258, 11.079
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN SOUTH ATLANTIC. ANGOLA. DNC 01. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V RAMFORM SOVEREIGN TOWING 8025 METER LONG CABLES IN AREA BOUND BY 15-16.0S 010-48.0E, 15-16.0S 011-51.0E, 17-14.7S 011-22.0E, 17-14.7S 010-18.0E. SEVEN MILE BERTH REQUESTED.
This area · survey operations
4 within 180 nm since 2019 · 0 in the last 12 months · 0 in force now
19
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 sanco swift in area bound by 17-15.2S 011-26.0E,…2019-11-01
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Cancel HYDROLANT 300/20 and this msgcancelled by · 2020-08-25
Nearby now · within 120 nm
Nothing else in force 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.