Surveys

Underwater operations in progress until 07 nov by M/V poseidon: a. in area bound by 40-30N 014-00W, 40-30N…

HYDROLANT 1838/08

issued
2008-10-30 16:26Z
status
cancelled 2008-11-08 00:00Z (archive)
authority
NAVAREA II 316/08 301300Z OCT 08.
sea
North Atlantic Ocean
position
39.014, -11.625
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS IN PROGRESS
   UNTIL 07 NOV BY M/V POSEIDON:
   A. IN AREA BOUND BY
      40-30N 014-00W, 40-30N 009-30W,
      37-00N 014-00W, 38-00N 009-30W.
   B. ALONG TRACKLINE JOINING
      36-50N 009-30W, 34-50N 012-00W,
      28-30N 015-00W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 08 NOV.

This area · survey operations

29 within 180 nm since 2001 · 0 in the last 12 months · 0 in force now

01
05
10
15
20
22

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.