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Services unreliable 121400Z to 121700Z dec at uscg remote communication facilities: a. honolulu (o)…

North Pacific Ocean · NAVAREA XII 859/23

What this record establishes

Archived notice · 2023-12-12 18:00Z

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) · COGARD COMMUNICATIONS COMMAND 0/23 112306Z DEC 23.. Issued 2023-12-12 01:00Z. 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: North Pacific Ocean. The parsed report position is 39.390, -135.133. 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 North Pacific Ocean →

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2023-12-12 14:00Z	2023-12-12 17:00Z	—	3 h

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

issued: 2023-12-12 01:00Z
status: Archived notice
self-cancels: 2023-12-12 18:00Z
authority: COGARD COMMUNICATIONS COMMAND 0/23 112306Z DEC 23.
NAVAREA: NAVAREA XII
issued by: COGARD COMMUNICATIONS COMMAND
sea: North Pacific Ocean
position: 39.390, -135.133
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. SERVICES UNRELIABLE 121400Z TO 121700Z DEC AT
   USCG REMOTE COMMUNICATION FACILITIES:
   A. HONOLULU (O) 21-22.00N 158-09.00W.
   B. PT. REYES (C) 37-55.00N 122-44.00W.
   C. KODIAK (J) 57-46.00N 152-34.00W.
   D. ASTORIA (W) 46-10.00N 123-49.00W.
   E. CAMBRIA (Q) 33-44.00N 118-24.00W.
2. CANCEL THIS MSG 121800Z DEC 23.

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.
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.
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 · other warnings

8 within 180 nm since 2016 · 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.

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

Messaging services unreliable at uscg remote communication facilities: a. pt reyes (c) 37-55.50N 122-43.90WNav aids · 0.9 nm

Worldwide in the collected sources

23 other warnings listed in force · see all

Record snapshot 2026-10-02 04:05Z; source collection times vary.

Other

Everything the classifier did not place elsewhere. All current other warnings →

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.