Nav aids

Nga chart 18020 (38TH ed)

NAVAREA XII 85/08

issued
2008-03-09 14:49Z
status
cancelled 2008-03-12 20:00Z (archive)
self-cancels
2008-03-12 20:00Z
authority
COGARD NAVCEN DGPS 173/08 091237Z MAR 08.
sea
North Pacific Ocean
position
40.440, -124.407
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NGA CHART 18020 (38TH ED).
1. CAPE MENDOCINO DGPS STATION 40-26.4N 124-24.4W UNUSABLE
   121700Z TO 121900Z MAR.
2. CANCEL THIS MSG 122000Z MAR.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2008-03-12 17:00Z2008-03-12 19:00Z2 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.