Nav aids
Biorka dgps station 56-51.3N 135-32.4W unusable
Eastern North Pacific · Alaska-southeast Coast · NAVAREA XII 350/19
- issued
- 2019-08-06 07:38Z
- status
- cancelled 2019-08-07 12:12Z (archive)
- authority
- COGARD CYBERCOM 180/19 060339Z AUG 19.
- 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. BIORKA DGPS STATION 56-51.3N 135-32.4W UNUSABLE.
This area · aids-to-navigation notices
236 within 180 nm since 2006 · 0 in the last 12 months · 0 in force now
06
10
15
20
- Annette island dgps station 55-04.1N 131-36.0W unreliable2020-06-29
- Biorka dgps station 56-51.3N 135-32.4W unusable2020-06-18
- Annette island dgps station 55-04.1N 131-36.0W unreliable2020-03-19
- Annette island dgps station 55-04.1N 131-36.0W unreliable2020-03-13
- Annette island dgps station 55-04.1N 131-36.0W unconfirmed2019-12-02
- Biorka dgps station 56-51.3N 135-32.4W inoperative2019-09-25
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
- Cancel NAVAREA XII 350/19 and this msgcancelled by · 2019-08-07
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
142 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.