Nav aids

Nga chart 17300 (31ST ed)

NAVAREA XII 315/07

issued: 2007-11-16 14:26Z
status: cancelled 2007-11-22 20:03Z (archive)
authority: COGARD NAVCEN 161317Z NOV 07.
sea: The Coastal Waters of Southeast Alaska and British Columbia
position: 58.418, -135.697
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

NGA CHART 17300 (31ST ED).
DGPS STATION AT GUSTAVUS 58-25.1N 135-41.8W UNRELIABLE.

This area · aids-to-navigation notices

152 within 180 nm since 2006 · 0 in the last 12 months · 0 in force now

Biorka dgps station 56-51.3N 135-32.4W unusable2020-06-18
Biorka dgps station 56-51.3N 135-32.4W inoperative2019-09-25
Biorka dgps station 56-51.3N 135-32.4W unusable2019-08-06
Gustavus dgps station 58-25.1N 135-41.8W unreliable2019-06-27
Biorka dgps station 56-51.3N 135-32.4W unreliable2019-06-27
Biorka dgps station 56-51.3N 135-32.4W off air2019-05-14

Season · when aids-to-navigation notices happen here

month of issue, all years in the archive

Timeline

Cancel NAVAREA XII 131/07(18), 234/07(GEN), 240/07(18,20), 275/07, 315/07(17) and this msg, stations restoredcancelled by · 2007-11-22

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.