Surveys

Survey operations in progress until 30 apr 20 by M/V ramform atlas towing ten seven mile long cables in area…

Eastern South Atlantic · Southwestern Indian Ocean · South Africa · HYDROLANT 3899/19

issued: 2019-12-19 11:17Z
status: cancelled 2020-04-23 20:43Z (archive)
authority: NAVAREA VII 506/19 191054Z DEC 19.
position: -35.333, 18.333
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN SOUTH ATLANTIC.
SOUTHWESTERN INDIAN OCEAN.
SOUTH AFRICA.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 30 APR 20
   BY M/V RAMFORM ATLAS TOWING TEN SEVEN MILE LONG
   CABLES IN AREA BOUND BY
   34-30S 017-25E, 36-10S 017-25E,
   36-10S 019-15E, 34-30S 019-15E.
   SEVEN MILE BERTH REQUESTED.
2. CANCEL THIS MSG 01 MAY 20.

This area · survey operations

2 within 180 nm since 2019 · 0 in the last 12 months · 0 in force now

Survey operations in progress until 30 apr 20 by M/V ramform atlas towing ten seven mile long cables in area…2019-12-19

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Cancel HYDROLANT 3899/19 and this msg, operations completedcancelled by · 2020-04-23

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.