Other
Loran-c station grangeville, rates 7980-W and 9610-Z, unusable 021300Z to 021700Z dec, alternate 031300Z to…
NAVAREA IV 518/09
- issued
- 2009-11-29 00:22Z
- status
- cancelled 2009-12-03 18:00Z (archive)
- self-cancels
- 2009-12-03 18:00Z
- authority
- COGARD NAVCEN 091720Z NOV 09.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. LORAN-C STATION GRANGEVILLE, RATES 7980-W AND 9610-Z, UNUSABLE 021300Z TO 021700Z DEC, ALTERNATE 031300Z TO 031700Z DEC. 2. CANCEL THIS MSG 031800Z DEC.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2009-12-02 13:00Z | 2009-12-02 17:00Z | — | 4 h |
| 2009-12-03 13:00Z | 2009-12-03 17:00Z | — | 4 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
34 other warnings in force · see all
Other
Everything the classifier did not place elsewhere. All current other warnings →
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.