Surveys

Underwater operations in progress until further notice by M/V greatship mamta in area between 21-18S 21-23S…

Australia-northwest Coast · HYDROPAC 2845/11

issued: 2011-10-11 06:34Z
status: cancelled 2011-10-30 01:41Z (archive)
authority: AUSCOAST 247/11 102013Z OCT 11.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

AUSTRALIA-NORTHWEST COAST.
UNDERWATER OPERATIONS IN PROGRESS UNTIL
FURTHER NOTICE BY M/V GREATSHIP MAMTA
IN AREA BETWEEN
21-18S 21-23S AND 114-02E 114-07E.
TWO MILE BERTH REQUESTED.

Timeline

Cancel HYDROPAC 2845/11 and this msg, operations completedcancelled by · 2011-10-30

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.