Surveys
Geotechnical survey in progress until further notice by M/V greatship mamta in area between 21-19.2S…
Australia-west Coast · HYDROPAC 2191/11
- issued
- 2011-08-04 23:26Z
- status
- cancelled 2011-08-12 00:46Z (archive)
- authority
- AUSCOAST 200/11 042111Z AUG 11.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
AUSTRALIA-WEST COAST. GEOTECHNICAL SURVEY IN PROGRESS UNTIL FURTHER NOTICE BY M/V GREATSHIP MAMTA IN AREA BETWEEN 21-19.2S 21-22.5S AND 114-03.2E 114-05.9E. 2.5 MILE BERTH REQUESTED.
Timeline
- Cancel HYDROPAC 2191/11 and this msg, operations completedcancelled by · 2011-08-12
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.