Surveys

Underwater operations in progress until further notice by M/V greatship mamta in area between 19-39.6S…

Australia-northwest Coast · HYDROPAC 250/12

issued: 2012-01-30 07:25Z
status: cancelled 2012-02-06 16:25Z (archive)
authority: AUSCOAST 24/12 300704Z JAN 12.
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
19-39.6S 19-40.5S AND 116-43.3E 116-44.4E.
2.5 MILE BERTH REQUESTED.

Timeline

Hazardous operationscancelled by · 2012-02-06

Nearby now · within 120 nm

Nothing else in force 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.