Surveys

Survey operations in progress until further notice by M/V ramform sovereign towing 10050 meter long cables…

Eastern South Atlantic · HYDROLANT 3978/18

issued
2018-12-21 09:52Z
status
cancelled 2018-12-31 09:48Z (archive)
cancels
HYDROLANT 3950/18
authority
NAVAREA VII 379/18 210645Z DEC 18.
position
-6.724, 10.452
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN SOUTH ATLANTIC.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER
   NOTICE BY M/V RAMFORM SOVEREIGN TOWING
   10050 METER LONG CABLES IN AREA BOUND BY
   05-42.19S 010-14.35E, 07-40.10S 010-55.24E,
   07-43.17S 010-38.54E, 05-44.55S 009-59.00E.
   SEVEN MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 3950/18.

This area · survey operations

72 within 180 nm since 2003 · 1 in the last 12 months · 1 in force now

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26

Season · when survey operations happen here

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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Worldwide now

73 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.