Cable operations in progress until 30 aug along trackline joining 49-03-47N 140-18-42E, 49-03-45N…
Japan Sea · HYDROPAC 2831/18
What this record establishes
Archived notice · 2018-08-31 00:01Z
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) · NAVAREA XIII 66/18 040925Z AUG 18.. Issued 2018-08-04 09:40Z. 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
- Japan Sea. The map shows the reported line or operation extent; it is not a vessel track. Check the original wording for limits and qualifications.
- issued
- 2018-08-04 09:40Z
- status
- Archived notice
- authority
- NAVAREA XIII 66/18 040925Z AUG 18.
- NAVAREA
- NAVAREA XIII · named as the source of this relay
- sea
- Japan Sea
- position
- 49.040, 141.169
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
TARTAR STRAIT. RUSSIA. SAKHALIN. DNC 24. 1. CABLE OPERATIONS IN PROGRESS UNTIL 30 AUG ALONG TRACKLINE JOINING 49-03-47N 140-18-42E, 49-03-45N 140-18-46E, 49-03-42N 140-18-54E, 49-03-42N 140-19-12E, 49-03-54N 140-21-09E, 49-03-33N 140-26-58E, 49-03-32N 140-30-28E, 49-02-15N 140-51-09E, 49-01-50N 141-50-07E, 49-02-35N 142-01-33E, 49-02-35N 142-01-35E. 2. CANCEL THIS MSG 31 AUG 18.
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.
- Cable operations
- A ship is laying, burying or repairing a submarine cable, usually along a stated route.
- Track line joining
- Introduces a route through a series of positions — a cable route, a tow's track or a survey line.
- 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.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · cable & pipeline work
24 within 180 nm since 2001 · 1 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 in progress until 15 dec by M/V topaz and M/V bureya within two miles of trackline joining…2026-08-31
- Cable operations in progress until 31 dec in area bound by 49-06.08N 140-17.80E, 48-51.58N 141-20.40E,…2023-10-07
- Cable operations 01 jun thru 10 jul in vicinity of trackline joining 49-03-47N 140-18-42E, 49-03-45N…2018-05-28
- Cable operations 11 thru 23 may by M/V kddi ocean link in area bound by 48-13.0N 141-14.0E, 48-23.0N…2017-05-08
- Cable operations 28 mar thru 28 apr by M/V kddi ocean link in area bound by 48-12.8N 141-16.9E, 48-15.6N…2017-03-23
- Seismic survey 09 oct thru 09 dec by M/V geophysic towing 1500 meter long cable in area bound by 51-12-28N…2016-10-06
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
25 cable & pipeline work listed in force · see all
Record snapshot 2026-09-29 10:15Z; 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.