Surveys

Underwater operations 29 jun thru 06 jul by M/V thalassa with submersible along tracklinwe between 40-21N…

North Atlantic · Azores · HYDROLANT 1385/12

issued
2012-06-25 21:27Z
status
cancelled 2012-07-07 00:00Z (archive)
authority
NAVAREA II 188/12 252101Z JUN 12.
position
39.925, -26.800
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH ATLANTIC.
AZORES.
1. UNDERWATER OPERATIONS 29 JUN THRU 06 JUL
   BY M/V THALASSA WITH SUBMERSIBLE
   ALONG TRACKLINWE BETWEEN
   40-21N 026-48W AND 39-30N 026-48W.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 07 JUL.

This area · survey operations

5 within 180 nm since 2012 · 0 in the last 12 months · 0 in force now

12
15
19

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

75 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.