Surveys

Underwater operations 08 thru 12 jul by M/V cso deep blue vicinity 45-37N 003-30W

HYDROLANT 1139/04

issued
2004-07-06 16:35Z
status
cancelled 2004-07-13 00:00Z (archive)
cancels
HYDROLANT 1137/04
authority
NAVAREA II 218/04 061215Z JUL 04.
sea
Bay of Biscay
position
45.617, -3.500
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS 08 THRU 12 JUL BY
   M/V CSO DEEP BLUE VICINITY 45-37N 003-30W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 1137/04.
3. CANCEL THIS MSG 13 JUL.

This area · survey operations

118 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

99
00
05
10
15
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24

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.