Nav aids

Uscg remote communication facility kodiak (j) 57-46.00N 152-34.00W 4125KHZ services off air 161700Z to…

Gulf of Alaska · NAVAREA XII 716/23

What this record establishes

Archived notice · 2023-10-17 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) · COGARD COMMUNICATIONS COMMAND 0/23 141502Z OCT 23.. Issued 2023-10-14 16:09Z. 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: Gulf of Alaska. The parsed report position is 57.767, -152.567. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the Gulf of Alaska →

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2023-10-16 17:00Z	2023-10-16 23:00Z	—	6 h

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

issued: 2023-10-14 16:09Z
status: Archived notice
self-cancels: 2023-10-17 00:01Z
authority: COGARD COMMUNICATIONS COMMAND 0/23 141502Z OCT 23.
NAVAREA: NAVAREA XII
issued by: COGARD COMMUNICATIONS COMMAND
sea: Gulf of Alaska
position: 57.767, -152.567
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

ALASKA.
1. USCG REMOTE COMMUNICATION FACILITY
   KODIAK (J) 57-46.00N 152-34.00W 4125KHZ SERVICES
   OFF AIR 161700Z TO 162300Z OCT 23.
2. CANCEL THIS MSG 170001Z OCT 23.

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

186 within 180 nm since 2001 · 2 in the last 12 months · 1 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.

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

Weather fax services off air at uscg remote communication facility kodiak (j) 57-46.00N 152-34.00WNav aids · 0 nm

Worldwide in the collected sources

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

Record snapshot 2026-10-01 07:44Z; 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.