Nav aids
Loran-c northwest pacific chain, rate 8930-W, and korean chain, rate 9930-X, off air 2300Z to 0800Z…
HYDROPAC 2057/07
- issued
- 2007-11-23 09:54Z
- status
- cancelled 2007-12-01 09:43Z (archive)
- self-cancels
- 2007-12-03 04:00Z
- authority
- NAVAREA XI 539/07 230805Z NOV 07.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. LORAN-C NORTHWEST PACIFIC CHAIN, RATE 8930-W, AND KOREAN CHAIN, RATE 9930-X, OFF AIR 2300Z TO 0800Z COMMENCING DAILY 23 THRU 30 NOV AND 2300Z TO 0300Z COMMENCING DAILY 01 AND 02 DEC. 2. CANCEL THIS MSG 030400Z DEC.
Activity windows · 8 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2007-11-23 23:00Z | 2007-11-24 08:00Z | — | 9 h |
| 2007-11-24 23:00Z | 2007-11-25 08:00Z | — | 9 h |
| 2007-11-25 23:00Z | 2007-11-26 08:00Z | — | 9 h |
| 2007-11-26 23:00Z | 2007-11-27 08:00Z | — | 9 h |
| 2007-11-27 23:00Z | 2007-11-28 08:00Z | — | 9 h |
| 2007-11-28 23:00Z | 2007-11-29 08:00Z | — | 9 h |
| 2007-11-29 23:00Z | 2007-11-30 08:00Z | — | 9 h |
| 2007-11-30 23:00Z | 2007-12-01 08:00Z | — | 9 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 northwest pacific chain, rate 8930-W, and korean chain, rate 9930-X, off air 2300Z to 0800Z…cancelled by · 2007-12-01
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.