Surveys

Underwater operations 27 thru 29 jul by marion dufresne in: a. 24-10.96S 063-03.55E

Western Indian Ocean · HYDROPAC 2152/21

issued: 2021-07-26 10:52Z
status: cancelled 2021-07-30 00:01Z (archive)
authority: NAVAREA VIII 560/21 261010Z JUL 21.
sea: Indian Ocean
position: -24.191, 63.034
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN INDIAN OCEAN.
DNC 03.
1. UNDERWATER OPERATIONS 27 THRU 29 JUL
   BY MARION DUFRESNE IN:
   A. 24-10.96S 063-03.55E.
   B. 24-12.01S 063-00.48E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 30 JUL 21.

This area · survey operations

2 within 180 nm since 2018 · 0 in the last 12 months · 0 in force now

Survey operations 04 and 05 aug by M/V marion dufresne in 024-12S 063-01E2018-08-02

Season · when survey operations happen here

month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

85 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.