Nav aids

Nga chart 17320 (17TH ed)

NAVAREA XII 443/08

issued
2008-10-26 09:15Z
status
cancelled 2008-10-26 20:35Z (archive)
authority
COGARD NAVCEN DGPS 936/08 251214Z OCT 08.
sea
The Coastal Waters of Southeast Alaska and British Columbia
position
56.855, -135.535
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NGA CHART 17320 (17TH ED).
BIORKA DGPS STATION 56-51.30N 135-32.08W UNRELIABLE.

This area · aids-to-navigation notices

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

06
10
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26

Season · when aids-to-navigation notices happen here

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A
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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

195 aids-to-navigation notices in force · see all

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.