Survey operations in progress until further notice by M/V geo coral in area bound by 39-30S 150-30E, 39-30S…
Tasman Sea · HYDROPAC 4259/19
What this record establishes
Archived notice · 2020-03-11 21:49Z
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 371/19 262147Z DEC 19.. Issued 2019-12-26 21:55Z. 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
- Tasman Sea. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Six mile berth requestedlater cancellation notice
- issued
- 2019-12-26 21:55Z
- status
- Archived notice
- authority
- AUSCOAST 371/19 262147Z DEC 19.
- issued by
- AUSCOAST
- sea
- Tasman Sea
- position
- -40.125, 151.250
- vessel
- M/V GEO CORAL · 58 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
TASMAN SEA. AUSTRALIA-SOUTHEAST COAST. DNC 05. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY M/V GEO CORAL IN AREA BOUND BY 39-30S 150-30E, 39-30S 152-00E, 40-45S 152-00E, 40-45S 150-30E. SIX 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.
- Survey operations
- A research or survey vessel is mapping the seabed or water column, often while towing equipment.
- Until further notice
- The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
- Area bound by
- Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
- 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
48 within 180 nm since 2001 · 0 in the last 12 months · 0 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 investigator in area bound by 37-57.00S…2024-05-10
- Underwater operations in progress until further notice by M/V investigator along trackline joining 37-57.00S…2024-05-10
- Wave buoy established in 38-11.78S 148-23.65E2024-01-30
- Underwater operations in progress until further notice by M/V skandi darwin in 38-32.40S 148-33.30E2024-01-23
- Underwater operations in progress until further notice by M/V skandi darwin in 38-30.80S 148-28.10E2024-01-16
- Underwater operations in progress until further notice by M/V skandi darwin in area bound by 38-32.44S…2023-12-10
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
Worldwide in the collected sources
56 survey operations listed in force · see all
Record snapshot 2026-10-03 08:06Z; 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.