Nav aids

Biorka dgps station 56-51.3N 135-32.4W unusable 071600Z to 091600Z sep

Eastern North Pacific · Alaska-southeast Coast · NAVAREA XII 379/17

issued
2017-09-02 04:17Z
status
cancelled 2017-09-09 17:00Z (archive)
self-cancels
2017-09-09 17:00Z
authority
COGARD CYBERCOM 317/17 231945Z AUG 17.
sea
The Coastal Waters of Southeast Alaska and British Columbia
position
56.855, -135.540
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH PACIFIC.
ALASKA-SOUTHEAST COAST.
CHART 17320.
1. BIORKA DGPS STATION 56-51.3N 135-32.4W
   UNUSABLE 071600Z TO 091600Z SEP.
2. CANCEL THIS MSG 091700Z SEP 17.

Activity windows · 1 in the telegram

opens (UTC)closes (UTC)local (UTC)length
2017-09-07 16:00Z2017-09-09 16:00ZSep 07, 16:00Sep 09, 16:0048 h

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

This area · aids-to-navigation notices

249 within 180 nm since 2006 · 1 in the last 12 months · 1 in force now

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Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

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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.