Surveys

Oceanographic operations by M/V poseidon: a. 03 thru 06 apr within ten miles of 21-00N 020-40W

HYDROLANT 1033/01

issued
2001-03-31 17:49Z
status
cancelled 2001-04-14 00:00Z (archive)
authority
NAVAREA II 122/01 311730Z MAR 01
sea
North Atlantic Ocean
position
21.011, -20.667
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. OCEANOGRAPHIC OPERATIONS BY M/V POSEIDON:
   A. 03 THRU 06 APR WITHIN TEN MILES OF 21-00N 020-40W.
   B. 06 THRU 08 APR IN AREA BOUND BY 21-05N 017-10W,
      20-15N 018-25W, 20-45N 018-25W, 20-35N 017-05W.
   C. 08 THRU 10 APR IN AREA BOUND BY 22-10N 016-55W,
      22-25N 018-20W, 22-50N 018-05W, 21-45N 017-10W.
   D. 11 THRU 13 APR IN AREA BOUND BY 26-10N 014-40W,
      26-25N 016-10W, 26-50N 015-50W, 25-45N 014-55W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 14 APR.

This area · survey operations

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

01
05
10
15
20

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.