Surveys

Oceanographic operations 08 thru 26 feb by M/V poseidon: a. along trackline between 18-00N 023-00W and…

HYDROLANT 204/07

issued
2007-02-06 17:13Z
status
cancelled 2007-02-07 09:13Z (archive)
authority
NAVAREA II 40/07 061635Z FEB 07.
sea
North Atlantic Ocean
position
18.000, -20.500
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. OCEANOGRAPHIC OPERATIONS 08 THRU 26 FEB
   BY M/V POSEIDON:
   A. ALONG TRACKLINE BETWEEN
      18-00N 023-00W AND 18-00N 018-00W.
   B. IN AREA BETWEEN
      18-00N 20-30N AND 018-00W 016-30W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 27 FEB.

This area · survey operations

14 within 180 nm since 2007 · 0 in the last 12 months · 0 in force now

07
10
15
20
21

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

Timeline

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

86 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.