Nav aids

Nos chart 17320 (18TH ed)

NAVAREA XII 420/09

issued
2009-09-12 17:18Z
status
cancelled 2009-09-13 01:45Z (archive)
authority
COGARD NAVCEN DGPS 816/09 121425Z SEP 09.
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

NOS CHART 17320 (18TH ED).
BIORKA DGPS STATION 56-51.3N 135-32.1W UNUSABLE.

This area · aids-to-navigation notices

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

06
10
15
20
25
26

Season · when aids-to-navigation notices happen here

J
F
M
A
M
J
J
A
S
O
N
D

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.