Nav aids

Loran-c station tokachibuto, hokkaido, rate 8930-Y, off air until 030700Z apr

HYDROPAC 499/01

What this record establishes

Archived notice · 2001-04-03 08:00Z

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 175/01 030341Z APR 01; AUSCOAST WARNING 030352Z APR 01. Issued 2001-04-03 06:20Z. 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
No named location parsed. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.

Related notices and cancellation links

issued
2001-04-03 06:20Z
status
Archived notice
self-cancels
2001-04-03 08:00Z
authority
NAVAREA XI 175/01 030341Z APR 01; AUSCOAST WARNING 030352Z APR 01
NAVAREA
NAVAREA XI · named as the source of this relay
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. LORAN-C STATION TOKACHIBUTO, HOKKAIDO, RATE 8930-Y,
   OFF AIR UNTIL 030700Z APR.
2. CANCEL HYDROPAC 497/01(75), AID RESTORED.
3. CANCEL THIS MSG 030800Z APR.

Reading this warning

Inoperative / unreliable / off air
An aid or radio service is not working as charted or published.
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.
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.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Nearby notices listed in force · within 120 nm

No parsed position is available for this comparison.

Worldwide in the collected sources

134 aids-to-navigation notices listed in force · see all

Record snapshot 2026-10-03 20:26Z; 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.