Nav aids

Nos chart 18010 (21ST ed)

California · NAVAREA XII 434/11

issued
2011-11-27 18:20Z
status
cancelled 2011-12-01 06:00Z (archive)
self-cancels
2011-12-01 06:00Z
authority
COGARD NAVCEN DGPS 908/11 271724Z NOV 11.//
sea
North Pacific Ocean
position
40.442, -124.397
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

CALIFORNIA.
NOS CHART 18010 (21ST ED).
1. CAPE MENDOCINO DGPS STATION 40-26.5N 124-23.8W
   UNUSABLE 301700Z NOV TO 010500Z DEC.
2. CANCEL THIS MSG 010600Z DEC.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2011-11-30 17:00Z2011-12-01 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

160 within 180 nm since 2008 · 0 in the last 12 months · 0 in force now

08
10
15
20
24

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

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

193 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.