Surveys
Underwater operations in progress until further notice by M/V explorer in area bound by 28-54.3S 016-21.8E,…
South Atlantic · South Africa · HYDROLANT 725/20
- issued
- 2020-02-27 13:33Z
- status
- cancelled 2020-05-28 16:48Z (archive)
- cancels
- HYDROLANT 671/20
- authority
- NAVAREA VII 68/20 271326Z FEB 20.
- sea
- South Atlantic Ocean
- position
- -28.952, 16.428
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
SOUTH ATLANTIC. SOUTH AFRICA. DNC 01. 1. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V EXPLORER IN AREA BOUND BY 28-54.3S 016-21.8E, 28-54.2S 016-29.4E, 29-00.0S 016-29.5E, 29-00.0S 016-21.9E. ONE MILE BERTH REQUESTED. 2. CANCEL HYDROLANT 671/20.
This area · survey operations
253 within 180 nm since 2003 · 0 in the last 12 months · 0 in force now
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- Survey operations in progress until further notice by M/V ramform atlas towing 12 8000 meter long cables in…2024-02-20
- Survey operations in progress until 01 may by M/V ramform atlas towing 12 five mile long cables in area…2024-01-03
- Survey operations in progress until further notice by sw empress towing cables in area bound by 28-00.06S…2023-10-10
- Underwater operations in progress until further notice in: a. 28-19.30S 015-48.20E by M/V gariep2023-03-06
- Underwater operations in progress until further notice by M/V the explorer in area bound by 28-42.90S…2023-03-01
- Survey operations in progress until further notice by M/V ramform titan towing 12 11112 meter long cables,…2023-02-27
Season · when survey operations happen here
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month of issue, all years in the archive
Timeline
- Underwater operations in progress until further notice by M/V explorer in area bound by 28-54.3S 016-21.8E,…cancels · 2020-02-23
- Underwater operations in progress until further notice by M/V explorer in area bound by 28-54.3S 016-21.8E,…replaced · 2020-02-23
- Cancel HYDROLANT 725/20 and this msgcancelled by · 2020-05-28
Nearby now · within 120 nm
Nothing else in force 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.