NAVTEX station otaru 43-19N 140-27E at reduced power 040140Z to 040300Z nov
Japan Sea · HYDROPAC 3605/15
What this record establishes
Archived notice · 2015-11-04 04:00Z
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 XI 854/15 031205Z NOV 15.. Issued 2015-11-03 13:16Z. 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 parsed report position is 43.317, 140.450. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2015-11-04 01:40Z | 2015-11-04 03:00Z | — | 1 h 20 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2015-11-03 13:16Z
- status
- Archived notice
- self-cancels
- 2015-11-04 04:00Z
- authority
- NAVAREA XI 854/15 031205Z NOV 15.
- NAVAREA
- NAVAREA XI · named as the source of this relay
- sea
- Japan Sea
- position
- 43.317, 140.450
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. JAPAN. NAVTEX. DNC 24. 1. NAVTEX STATION OTARU 43-19N 140-27E AT REDUCED POWER 040140Z TO 040300Z NOV. 2. CANCEL THIS MSG 040400Z NOV 15.
Reading this warning
- NAVTEX
- An automated medium-frequency radio service that sends coastal warnings as text to a small printer or screen on board.
- 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.
- 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.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · aids-to-navigation notices
11 within 180 nm since 2005 · 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.
- NAVTEX station otaru (j) 43-19.50N 140-26.80E off air2024-01-12
- NAVTEX station kushiro (k) 42-57.4N 144-35.4E off air2017-03-27
- NAVTEX station otaru (j) 43-19.5N 140-26.8E off air 04001Z to 040500Z mar2017-03-03
- NAVTEX station kushiro (k) 42-57.4N 144-35.4E off air 03001Z to 030600Z mar2017-03-02
- NAVTEX station otaru (j) 43-19.5N 140-26.8E off air 010200Z to 010230Z and 010600Z to 010630Z mar2017-02-27
- NAVTEX station otaru (j) 43-19.5N 140-26.8E off air 0200Z to 0230Z daily 05, 08, and 28 feb2017-02-04
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
134 aids-to-navigation notices listed in force · see all
Record snapshot 2026-10-03 07:18Z; source collection times vary.
Nav aids
Lights extinguished, buoys off station, RACON/NAVTEX outages. All current aids-to-navigation notices →
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.