Surveys

Underwater operations in progress until 07 apr by M/V antsiva along trackline joining 19-45.78S 054-07.53E,…

Western Indian Ocean · HYDROPAC 1048/21

issued
2021-04-06 20:26Z
status
cancelled 2021-04-08 00:01Z (archive)
authority
NAVAREA VII 107/21 061938Z APR 21.
sea
Indian Ocean
position
-19.729, 54.146
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN INDIAN OCEAN.
DNC 02.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 07 APR
   BY M/V ANTSIVA ALONG TRACKLINE JOINING
   19-45.78S 054-07.53E, 19-41.69S 054-09.94E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 08 APR 21.

This area · survey operations

17 within 180 nm since 2006 · 0 in the last 12 months · 0 in force now

06
10
15
20
23

Season · when survey operations happen here

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A
M
J
J
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month of issue, all years in the archive

Nearby now · 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.