Surveys

Underwater operations in progress until 31 may in 16-04.31N 016-52.09W

Eastern North Atlantic · Mauritania · HYDROLANT 413/22

issued
2022-02-10 15:10Z
status
cancelled 2022-06-01 00:01Z (archive)
authority
NAVAREA II 57/22 101400Z FEB 22.
position
16.072, -16.868
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
MAURITANIA.
DNC 01.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 31 MAY
   IN 16-04.31N 016-52.09W.
2. CANCEL THIS MSG 01 JUN 22.

This area · survey operations

31 within 180 nm since 2008 · 0 in the last 12 months · 0 in force now

08
10
15
20
23

Season · when survey operations happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

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.