Surveys

Underwater operations by M/V marion dufresne: a. 27 jun vicinity of trackline between 46-50N 009-31W and…

HYDROLANT 1237/03

issued
2003-06-26 18:15Z
status
cancelled 2003-06-29 00:00Z (archive)
cancels
HYDROLANT 1225/03
authority
NAVAREA II 210/03 261510Z JUN 03
sea
North Atlantic Ocean
position
47.667, -10.599
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS BY M/V MARION DUFRESNE:
   A. 27 JUN VICINITY OF TRACKLINE BETWEEN
      46-50N 009-31W AND 47-17N 010-08W.
   B. 28 JUN VICINITY OF TRACKLINE JOINING
      47-32N 009-44W, 47-55N 011-46W, 47-45N 009-42W.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 1225/03(37).
3. CANCEL THIS MSG 29 JUN.

This area · survey operations

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

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Season · when survey operations happen here

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month of issue, all years in the archive

Timeline

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.