Surveys

Underwater operations 23 apr until further notice by M/V maersk master in 19-51.31S 114-31.01E

Eastern Indian Ocean · Australia-northwest Coast · HYDROPAC 1223/21

issued
2021-04-22 07:24Z
status
cancelled 2021-04-23 07:56Z (archive)
authority
AUSCOAST 74/21 220618Z APR 21.
sea
Indian Ocean
position
-19.855, 114.517
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN INDIAN OCEAN.
AUSTRALIA-NORTHWEST COAST.
DNC 04.
UNDERWATER OPERATIONS 23 APR UNTIL FURTHER
NOTICE BY M/V MAERSK MASTER IN
19-51.31S 114-31.01E.
THREE MILE BERTH REQUESTED.

This area · survey operations

175 within 180 nm since 2000 · 9 in the last 12 months · 8 in force now

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26

Season · when survey operations happen here

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month of issue, all years in the archive

Timeline

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.