Nav aids

NAVTEX station otaru (j) 43-19.5N 140-26.8E off air 0200Z to 0230Z daily 05, 08, and 28 feb

Western North Pacific · Sea of Japan · Japan · HYDROPAC 411/17

What this record establishes

Archived notice · 2017-02-28 03:30Z

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) · NAVAREA XI 88/17 032332Z FEB 17.. Issued 2017-02-04 00:03Z. 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 · Sea of Japan · Japan. The parsed report position is 43.141, 142.518. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Related notices and cancellation links

issued
2017-02-04 00:03Z
status
Archived notice
self-cancels
2017-02-28 03:30Z
authority
NAVAREA XI 88/17 032332Z FEB 17.
NAVAREA
NAVAREA XI · named as the source of this relay
position
43.141, 142.518
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
SEA OF JAPAN.
JAPAN.
DNC 24.
1. NAVTEX STATION OTARU (J) 43-19.5N 140-26.8E
   OFF AIR 0200Z TO 0230Z DAILY 05, 08, AND 28 FEB.
   OTARU BROADCASTS WILL BE TRANSMITTED FROM
   NAVTEX STATION KUSHIRO (K) 42-57.4N 144-35.4E.
2. CANCEL THIS MSG 280330Z FEB 17.

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.
NAVTEX
An automated medium-frequency radio service that sends coastal warnings as text to a small printer or screen on board.
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.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.
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.

All warning terms →

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

16 within 180 nm since 2000 · 0 in the last 12 months · 0 listed in force now

00
05
10
15
20
24

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.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

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

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

Record snapshot 2026-10-02 03:24Z; 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.