Surveys

Survey operations in progress until 302359Z nov by M/V sw empress towing ten 8000 meter long cables in area…

Eastern North Atlantic · Mauritania · HYDROLANT 2816/20

issued: 2020-09-16 04:15Z
status: cancelled 2020-11-26 15:04Z (archive)
self-cancels: 2020-12-01 00:59Z
authority: NAVAREA II 266/20 160409Z SEP 20.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
MAURITANIA.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 302359Z NOV
   BY M/V SW EMPRESS TOWING TEN 8000 METER LONG
   CABLES IN AREA BOUND BY
   17-42N 19-11W, 16-36N 19-11W,
   16-36N 18-10W, 17-42N 18-10W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 010059Z DEC 20.

Timeline

Survey operations in progress until 272359Z nov by M/V sw empress towing ten five mile long cables in area…cancelled by · 2020-11-26

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.