Survey operations in progress until further notice by cableship reliance, M/V seaworker, M/V seasurveyor,…
Tasman Sea · HYDROPAC 660/20
What this record establishes
Archived notice · 2020-03-29 20:30Z
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) · CNW 39/20 250518Z FEB 20.. Issued 2020-02-25 05:34Z. 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
- Survey operations in progress until further notice by M/V seaworker in area bound by 41-18.4S 174-14.3E,…cancelled by this notice
- Cancel HYDROPAC 660/20 and this msglater cancellation notice
- issued
- 2020-02-25 05:34Z
- status
- Archived notice
- authority
- CNW 39/20 250518Z FEB 20.
- issued by
- CNW
- sea
- Tasman Sea
- position
- -41.321, 174.421
- vessels
- M/V SEASURVEYOR · 6 messagesM/V SEAWORKER · 27 messagesM/V STAR KEYS · 2 messages
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
COOK STRAIT. NEW ZEALAND. DNC 06. 1. SURVEY OPERATIONS IN PROGRESS UNTIL FURTHER NOTICE BY CABLESHIP RELIANCE, M/V SEAWORKER, M/V SEASURVEYOR, M/V STAR KEYS IN AREA BOUND BY 41-18.4S 174-14.3E, 41-15.9S 174-35.8E, 41-20.1S 174-39.2E, 41-22.5S 174-10.0E. WIDE BERTH REQUESTED. 2. CANCEL HYDROPAC 4004/19.
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.
- Cable operations
- A ship is laying, burying or repairing a submarine cable, usually along a stated route.
- 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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROPAC
- The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
Collected reports in this area · cable & pipeline work
75 within 180 nm since 2000 · 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.
- Cable operations 101100Z jan until further notice by M/V seaworker with submersible in area bound by…2024-01-08
- Raglan pohokura pipeline marker at 38-58.47S 174-17.65E, adrift and moving north east2018-02-21
- Seismic survey in progress until further notice by M/V pgs apollo towing 8100 meter long cables in area…2016-12-23
- Seismic survey in progress until further notice by M/V pgs apollo towing 8100 meter long cables in area…2016-12-19
- Seismic survey in progress until further notice by M/V pgs apollo towing 8100 meter long cables in area…2016-12-19
- Seismic survey in progress until further notice by M/V pgs apollo towing 8100 meter long cables in area…2016-12-02
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
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
24 cable & pipeline work listed in force · see all
Record snapshot 2026-10-02 01:21Z; source collection times vary.
Cable ops
Cable laying, pipeline and seismic operations. All current cable & pipeline work →
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.