Surveys
Survey operations in progress until further notice by M/V ramform hyperion towing 9000 meter long cable in…
Eastern South Atlantic · Namibia · HYDROLANT 336/18
- issued
- 2018-01-30 09:31Z
- status
- cancelled 2018-02-26 09:45Z (archive)
- cancels
- HYDROLANT 4121/17
- authority
- NAVAREA VII 41/18 300750Z JAN 18.
- position
- -22.878, 12.884
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN SOUTH ATLANTIC. NAMIBIA. DNC 01. 1. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V RAMFORM HYPERION TOWING 9000 METER LONG CABLE IN AREA BOUND BY 22-13.6S 012-08.5E, 22-14.2S 013-58.6E, 23-42.9S 013-04.3E, 23-42.2S 012-14.5E, 22-13.6S 012-08.5E. SIX MILE BERTH REQUESTED. 2. CANCEL HYDROLANT 4121/17.
This area · survey operations
9 within 180 nm since 2013 · 0 in the last 12 months · 0 in force now
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15
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24
- Survey operations in progress until 01 may by M/V ramform atlas towing 12 five mile long cables in area…2024-01-02
- Survey operations in progress until further notice by M/V nordic explorer towing ten mile long cable in area…2019-09-17
- Scientific buoys established in: a. 23-00.09S 012-23.66E2019-05-16
- Survey operations in progress until further notice by M/V ramform hyperion towing 9000 meter long cable in…2018-02-26
- Survey operations in progress until further notice by M/V ramform hyperion towing 9000 meter long cable in…2017-12-19
- Survey operations in progress until further notice by M/V ramform vanguard towing 12 8000 meter long cables…2014-11-14
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 hyperion towing 9000 meter long cable in…cancels · 2017-12-19
- Survey operations in progress until further notice by M/V ramform hyperion towing 9000 meter long cable in…replaced · 2017-12-19
- Survey operations in progress until further notice by M/V ramform hyperion towing 9000 meter long cable in…cancelled by · 2018-02-26
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.