Surveys

Survey operation in progress until 15 dec by M/V ramform sovereign towing 3600 meter long cables in area…

Eastern South Atlantic · Angola · HYDROLANT 1988/19

issued: 2019-07-01 15:29Z
status: cancelled 2019-07-19 10:21Z (archive)
cancels: HYDROLANT 1849/19
authority: NAVAREA VII 241/19 011034Z JUL 19.
position: -6.357, 11.065
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN SOUTH ATLANTIC.
ANGOLA.
DNC 01.
1. SURVEY OPERATION IN PROGRESS UNTIL 15 DEC
   BY M/V RAMFORM SOVEREIGN TOWING 3600 METER
   LONG CABLES IN AREA BOUND BY
   06-13.0S 010-51.0E, 06-10.5S 011-10.5E,
   06-26.0S 011-17.5E, 06-35.0S 010-58.5E,
   06-13.0S 010-51.0E.
   FOUR MILE BERTH REQUESTED.
2. CANCEL HYDROLANT 1849/19.
3. CANCEL THIS MSG 16 DEC 19.

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 operation in progress until 15 dec by M/V ramform sovereign towing 3600 meter long cables in area…cancels · 2019-06-20
Survey operation in progress until 15 dec by M/V ramform sovereign towing 3600 meter long cables in area…replaced · 2019-06-20
Cancel HYDROLANT 1988/19 and this msgcancelled by · 2019-07-19

Nearby now · within 120 nm

Survey operations in progress until 22 aug by cableship nautilus in: a. 06-16.56S 011-14.56ECable ops · 2.7 nm
Survey operations in progress until further notice by M/V ramform victory towing 12 three mile long cables…Surveys · 6.3 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.