Surveys

Survey operations in progress until further notice by M/V ramform atlas towing 14 4500 meter long cables in…

Eastern South Atlantic · Angola · HYDROLANT 3109/20

issued: 2020-10-13 10:54Z
status: cancelled 2020-11-17 14:11Z (archive)
cancels: HYDROLANT 3081/20
authority: NAVAREA VII 225/20 130938Z OCT 20.
sea: South Atlantic Ocean
position: -7.087, 10.807
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN SOUTH ATLANTIC.
ANGOLA.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER
   NOTICE BY M/V RAMFORM ATLAS TOWING 14
   4500 METER LONG CABLES IN AREAS BOUND BY:
   A. 07-04.0S 011-12.4E, 07-00.0S 011-21.0E,
      07-24.1S 011-34.6E, 07-29.0S 011-25.9E.
   B. 06-55.2S 010-39.6E, 06-55.2S 010-57.2E,
      07-25.1S 010-57.4E, 07-25.2S 010-44.6E,
      07-15.2S 010-44.6E, 07-15.2S 010-39.6E.
   FIVE MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 3081/20.

This area · survey operations

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

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Survey operations until further notice by M/V ramform atlas towing 14 4500 meter long cables in area bound…cancels · 2020-10-10
Survey operations until further notice by M/V ramform atlas towing 14 4500 meter long cables in area bound…replaced · 2020-10-10
Cancel HYDROLANT 3109/20 and this msgcancelled by · 2020-11-17

Nearby now · within 120 nm

Survey operations in progress until 22 aug by cableship nautilus in: a. 06-16.56S 011-14.56ECable ops · 47.5 nm
Survey operations in progress until further notice by M/V ramform victory towing 12 three mile long cables…Surveys · 52.5 nm

Worldwide now

84 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.