Nav aids

In the Bering Sea near Alaska, high frequency radio services at Shemya remote site (52-43N 174-07E) are off air.

Bering Sea · NAVAREA XII 344/25

What this record establishes

Listed in force

The latest collected record lists this warning as active. This is the status of the notice, not a live observation of conditions at the location.

Source and dates: NGA MSI in-force warnings (DailyMem*.txt). Issued 2025-06-10 06:19Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-10-01 05:17Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered: Bering Sea. The parsed report position is 52.717, 174.117. 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 Bering Sea →

issued: 2025-06-10 06:19Z
status: Listed in force
NAVAREA: NAVAREA XII
sea: Bering Sea
position: 52.717, 174.117
nearest port: Petropavlovsk · 560 nm
source: NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-08-17 13:41Z

Original warning text

BERING SEA.
ALASKA.
COMMDET KODIAK, AK REMOTE SITE SHEMYA
52-43.00N 174-07.00E HF R/T SERVICES OFF AIR.

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.

All warning terms →

Conditions at the position · now

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MET Norway · NOAA WaveWatch III · HYCOM · GEBCO 2020 · model data at the centroid, not an observation

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

7 within 180 nm since 2020 · 1 in the last 12 months · 2 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

Uscg remote communication facility shemya 52-43.00N 174-07.00E hf transmit and receive services inoperativeNav aids · 0 nm

Worldwide in the collected sources

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

Record snapshot 2026-10-01 05:20Z; 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.