Surveys

Survey operations in progress until 020800Z apr by M/V investigator one in 15-34.02N 017-36.48W

Eastern North Atlantic · Senegal · HYDROLANT 740/15

issued
2015-03-29 04:30Z
status
cancelled 2015-04-02 09:00Z (archive)
self-cancels
2015-04-02 09:00Z
authority
AVURNAV DAKAR 9/15 290421Z MAR 15.
sea
North Atlantic Ocean
position
15.567, -17.608
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
SENEGAL.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 020800Z APR
   BY M/V INVESTIGATOR ONE IN 15-34.02N 017-36.48W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 020900Z APR 15.

This area · survey operations

32 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

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.