Nav aids

Loran-c station ussuriysk (44-32N 131-38E), rate 9930-Z, off air 212100Z to 302100Z jun

Western North Pacific · Russia · HYDROPAC 2003/15

What this record establishes

Archived notice · 2015-06-30 22:00Z

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 443/15 190410Z JUN 15.. Issued 2015-06-19 05:11Z. 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: Western North Pacific · Russia. The parsed report position is 44.533, 131.633. 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
2015-06-21 21:00Z	2015-06-30 21:00Z	—	216 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

issued: 2015-06-19 05:11Z
status: Archived notice
self-cancels: 2015-06-30 22:00Z
authority: NAVAREA XI 443/15 190410Z JUN 15.
NAVAREA: NAVAREA XI · named as the source of this relay
position: 44.533, 131.633
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
RUSSIA.
1. LORAN-C STATION USSURIYSK (44-32N 131-38E),
   RATE 9930-Z, OFF AIR 212100Z TO 302100Z JUN.
2. CANCEL THIS MSG 302200Z JUN 15.

Reading this warning

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.
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.
CANCEL THIS MSG: The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Collected reports in this area · aids-to-navigation notices

8 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.

Loran-c station ussuriisk (44-32N 131-38E), rate 9930-Z, off air2016-11-23
Loran-c station ussuriisk (44-32N 131-38E), rate 9930-Z, off air2016-09-05
Loran-c korean station ussuriisk (44-32N 131-38E), rate 9930-Z, off air2015-11-27
Mys yelagina light 42-44.1N 132-20.5E unlit2003-10-27
Mys titova light 43-06.0N 134-18.5E unlit2003-10-17
Mys yelagina light 42-43.8N 132-20.5E unlit2001-02-07

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 22:44Z; 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.