Surveys

Survey operations in progress until further notice by M/V ramform sovereign towing 12 4000 meter long cables…

Eastern South Atlantic · HYDROLANT 3950/18

issued: 2018-12-19 09:56Z
status: cancelled 2018-12-21 09:52Z (archive)
cancels: HYDROLANT 3023/18
authority: NAVAREA VII 376/18 190612Z DEC 18.
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 12
   4000 METER LONG CABLES IN AREA BETWEEN
   06-01.7S 06-09.8S AND 010-37.0E 010-45.1E.
   SIX MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 3023/18.

Timeline

Survey operations in progress until further notice by M/V ramform sovereign towing 12 4000 meter long cables…cancels · 2018-09-25
Survey operations in progress until further notice by M/V ramform sovereign towing 12 4000 meter long cables…replaced · 2018-09-25
Survey operations in progress until further notice by M/V ramform sovereign towing 10050 meter long cables…cancelled by · 2018-12-21

Nearby now · within 120 nm

Nothing else in force 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.