Nav aids
Loran-c northwest pacific chain, rate 8930-MASTER, and korean chain, rate 9930-Y, off air 050001Z to 050800Z…
HYDROPAC 1757/09
- issued
- 2009-09-30 08:21Z
- status
- cancelled 2009-10-04 13:29Z (archive)
- self-cancels
- 2009-10-06 07:00Z
- authority
- NAVAREA XI 619/09 300756Z SEP 09.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. LORAN-C NORTHWEST PACIFIC CHAIN, RATE 8930-MASTER, AND KOREAN CHAIN, RATE 9930-Y, OFF AIR 050001Z TO 050800Z AND 060001Z TO 060600Z OCT. 2. CANCEL THIS MSG 060700Z OCT.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2009-10-05 00:01Z | 2009-10-05 08:00Z | — | 7 h 59 |
| 2009-10-06 00:01Z | 2009-10-06 06:00Z | — | 5 h 59 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
Timeline
- Cancel HYDROPAC 1757/09 and this msgcancelled by · 2009-10-04
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.