Nav aids

Nos chart 17320 (18TH ed)

Alaska-southeast Coast · NAVAREA XII 351/10

issued
2010-08-08 21:25Z
status
cancelled 2010-08-12 06:00Z (archive)
self-cancels
2010-08-12 06:00Z
authority
COGARD NAVCEN DGPS 867/10 081434Z AUG 10.
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

ALASKA-SOUTHEAST COAST.
NOS CHART 17320 (18TH ED).
1. BIORKA DGPS STATION 56-51.3N 135-32.1W
   UNUSABLE 111700Z TO 120500Z AUG.
2. CANCEL THIS MSG 120600Z AUG.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2010-08-11 17:00Z2010-08-12 05:00Z12 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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Season · when aids-to-navigation notices happen here

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F
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A
M
J
J
A
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month of issue, all years in the archive

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.