Nav aids
Loran-c chain north china sea, rate 7430, and east china sea, rate 8390, off air 300600Z apr to 090600Z jun
HYDROPAC 341/99
- issued
- 1999-04-25 09:55Z
- status
- cancelled 1999-06-09 00:00Z (archive)
- self-cancels
- 1999-06-09 07:00Z
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. LORAN-C CHAIN NORTH CHINA SEA, RATE 7430, AND EAST CHINA SEA, RATE 8390, OFF AIR 300600Z APR TO 090600Z JUN. 2. CANCEL THIS MSG 090700Z JUN.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-04-30 06:00Z | 1999-06-09 06:00Z | — | 960 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.