Surveys

Underwater operations in progress until further notice by M/V sapura 3000 vicinity 20-01.5S 116-18.5E

Indian Ocean · HYDROPAC 364/11

What this record establishes

Archived notice · 2011-08-27 09:21Z

This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.

Source and dates: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · AUSCOAST 35/11 310720Z JAN 11.. Issued 2011-01-31 07:46Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered: Indian Ocean. The parsed report position is -20.025, 116.308. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the Indian Ocean →

issued: 2011-01-31 07:46Z
status: Archived notice
authority: AUSCOAST 35/11 310720Z JAN 11.
issued by: AUSCOAST
sea: Indian Ocean
position: -20.025, 116.308
vessel: M/V SAPURA · 7 messages
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

AUSTRALIA-NORTHWEST COAST.
UNDERWATER OPERATIONS IN PROGRESS UNTIL
FURTHER NOTICE BY M/V SAPURA 3000 VICINITY
20-01.5S 116-18.5E.
ONE MILE BERTH REQUESTED.

Reading this warning

Underwater operations: Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
Until further notice: The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
Position (degrees and minutes): How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
Wide berth requested: Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.

All warning terms →

Collected reports in this area · survey operations

221 within 180 nm since 2000 · 25 in the last 12 months · 4 listed in force now

Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.

Month of issue in the collected archive

All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.

Nearby notices listed in force · within 120 nm

Special purpose vessel fugro kwilena / MLOV8 / 503147420 conducting underwater operations in an area bounded…Surveys · 42.2 nm
Special purpose vessel ve constructor / H9YT / 373335000 conducting underwater operations in an area bounded…Surveys · 49.4 nm
Underwater operations in progress until further notice by vessel ve constructor in area bound by 19-12.00S…Surveys · 49.4 nm
Special purpose vessel nexans aurora / LALC8 / 257682000 conducting cable laying operations from 19 52.44S…Cable ops · 74.9 nm
Drill rig jansz FCS/995031119 in position 19-52.73S 114-36.50E 2.5 nm clearance requestedSurveys · 96.3 nm

Worldwide in the collected sources

56 survey operations listed in force · see all

Record snapshot 2026-10-02 16:57Z; source collection times vary.

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.