Surveys
Survey operations in progress until further notice by M/V ramform hyperion towing 9000 meter long cable in…
Eastern South Atlantic · Namibia · HYDROLANT 4121/17
- issued
- 2017-12-19 13:21Z
- status
- cancelled 2018-01-30 09:31Z (archive)
- authority
- NAVAREA VII 359/17 191254Z DEC 17.
- position
- -22.818, 12.816
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN SOUTH ATLANTIC. NAMIBIA. DNC 01. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V RAMFORM HYPERION TOWING 9000 METER LONG CABLE IN AREA BOUND BY 22-34.05S 012-27.05E, 22-29.81S 013-05.65E, 23-04.05S 013-11.05E, 23-08.31S 012-32.13E. SIX MILE BERTH REQUESTED.
This area · survey operations
9 within 180 nm since 2013 · 0 in the last 12 months · 0 in force now
13
15
20
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…2018-01-30
- 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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F
M
A
M
J
J
A
S
O
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D
month of issue, all years in the archive
Timeline
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.