Other
Loran-c station attu, rates 5980-X and 9990-X, unusable 021700Z to 021900Z oct, alternate 031700Z to 031900Z…
NAVAREA XII 274/03
- issued
- 2003-09-27 12:10Z
- status
- cancelled 2003-10-03 10:15Z (archive)
- self-cancels
- 2003-10-03 20:00Z
- cancels
- NAVAREA XII 273/03
- authority
- COGARD NAVCEN 251652Z SEP 03; COGARD NAVCEN 261732Z SEP 03
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. LORAN-C STATION ATTU, RATES 5980-X AND 9990-X, UNUSABLE 021700Z TO 021900Z OCT, ALTERNATE 031700Z TO 031900Z OCT. 2. CANCEL NAVAREA XII 273/03(16,17), STATION RESTORED. 3. CANCEL THIS MSG 032000Z OCT.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2003-10-02 17:00Z | 2003-10-02 19:00Z | — | 2 h |
| 2003-10-03 17:00Z | 2003-10-03 19:00Z | — | 2 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
Timeline
- Loran-c station port clarence, rate 7960-Z, unusablecancels · 2003-09-26
- Loran-c station port clarence, rate 7960-Z, unusablereplaced · 2003-09-26
- NAVAREA XII messages in force 031000Z oct 2003cancelled by · 2003-10-03
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.