Underwater operations in progress until further notice by M/V tek ocean spirit in area within two miles of…
Bass Strait · HYDROPAC 1077/19
What this record establishes
Archived notice · 2019-04-01 13:10Z
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 109/19 311154Z MAR 19.. Issued 2019-03-31 12:44Z. 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
- Bass Strait. The parsed report position is -39.875, 145.375 with a 2.0 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- issued
- 2019-03-31 12:44Z
- status
- Archived notice
- authority
- AUSCOAST 109/19 311154Z MAR 19.
- issued by
- AUSCOAST
- sea
- Bass Strait
- position
- -39.875, 145.375 · r 2.0 nm
- vessel
- M/V TEK OCEAN SPIRIT · 19 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
BASS STRAIT. TASMANIA. DNC 05. UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V TEK OCEAN SPIRIT IN AREA WITHIN TWO MILES OF 39-52.5S 145-22.5E. THREE MILE BERTH REQUESTED.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- 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.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- 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.
Collected reports in this area · survey operations
117 within 180 nm since 2001 · 5 in the last 12 months · 1 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.
- Underwater operations in progress until further notice by M/V samson explorer in area bound by 39-47.00S…2026-09-30
- Special purpose vessel samson explorer / VNW5773 / 503096000 conducting underwater operations in an area…2026-09-30
- Drill rig valaris 107/A8GS5 in position 38-17.79S 147-40.57E 2.5 nm clearance requested2026-08-20
- Drill rig transocean equinox / V7A7397 / 538010767 in position 38-46.20S 142-48.80E 2.5 nm clearance requested2026-08-17
- Underwater operations in progress until further notice by M/V pmg emerald in area bound by 39-01.29S…2026-02-12
- Survey operations in progress until further notice by M/V offshore solution in area bound by 38-39.00S…2025-01-12
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
- Great australian bightCable ops · 103.6 nm
- Special purpose vessel dependable / kdej / 367137000 conducting cable lay operations 10NM either side of…Other · 103.6 nm
Worldwide in the collected sources
56 survey operations listed in force · see all
Record snapshot 2026-10-03 08:07Z; 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.