Nav aids
Loran-c station williams lake, rates 5990-MASTER and 8290-Y, off air 041700Z to 042200Z jun, alternate…
NAVAREA XII 143/03
- issued
- 2003-05-30 07:50Z
- status
- cancelled 2003-06-05 23:00Z (archive)
- self-cancels
- 2003-06-05 23:00Z
- authority
- COGARD NAVCEN PETALUMA 300041Z MAY 03
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. LORAN-C STATION WILLIAMS LAKE, RATES 5990-MASTER AND 8290-Y, OFF AIR 041700Z TO 042200Z JUN, ALTERNATE 051700Z TO 052200Z JUN. 2. CANCEL THIS MSG 052300Z JUN.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2003-06-04 17:00Z | 2003-06-04 22:00Z | — | 5 h |
| 2003-06-05 17:00Z | 2003-06-05 22:00Z | — | 5 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
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.