Surveys
Survey operations in progress until further notice by M/V ramform hyperion towing 9000 meter long cable in…
Eastern South Atlantic · Namibia · HYDROLANT 664/18
- issued
- 2018-02-26 09:45Z
- status
- cancelled 2018-04-13 09:47Z (archive)
- cancels
- HYDROLANT 336/18
- authority
- NAVAREA VII 72/18 260621Z FEB 18.
- position
- -21.703, 12.534
- 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 21-26.2S 011-59.5E, 21-27.3S 012-59.4E, 21-57.8S 013-05.8E, 21-57.1S 012-03.6E, 21-26.2E 011-59.5E. SIX MILE BERTH REQUESTED. 2. CANCEL HYDROLANT 336/18.
This area · survey operations
9 within 180 nm since 2013 · 0 in the last 12 months · 0 in force now
13
15
19
- 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…2018-01-30
- Survey operations in progress until further notice by M/V ramform hyperion towing 9000 meter long cable in…2017-12-19
- Survey operations 241800Z jun until further notice by M/V osprey explorer towing 10000 meter long cable in…2017-06-23
- Survey operations in progress until further notice by M/V ramform vanguard towing 12 8000 meter long cables…2014-11-14
- Survey operations in progress until further notice by M/V ramform vanguard towing 12 8000 meter long cables…2014-10-09
Season · when survey operations happen here
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F
M
A
M
J
J
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S
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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 · 2018-01-30
- Survey operations in progress until further notice by M/V ramform hyperion towing 9000 meter long cable in…replaced · 2018-01-30
- Cancel HYDROLANT 664/18 and this msgcancelled by · 2018-04-13
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.