Nav aids
Loran-c station lessay, rates 6731-X, 6731-Z and 7499-X, off air 1500Z to 2100Z daily 22 thru 24 mar,…
HYDROLANT 456/04
- issued
- 2004-03-20 06:24Z
- status
- cancelled 2004-03-26 15:00Z (archive)
- self-cancels
- 2004-03-26 15:00Z
- authority
- NAVAREA II 103/04 200603Z MAR 04
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. LORAN-C STATION LESSAY, RATES 6731-X, 6731-Z AND 7499-X, OFF AIR 1500Z TO 2100Z DAILY 22 THRU 24 MAR, 250700Z TO 251500Z AND 260900Z TO 261400Z MAR. 2. CANCEL THIS MSG 261500Z MAR.
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2004-03-22 15:00Z | 2004-03-22 21:00Z | — | 6 h |
| 2004-03-23 15:00Z | 2004-03-23 21:00Z | — | 6 h |
| 2004-03-24 15:00Z | 2004-03-24 21:00Z | — | 6 h |
| 2004-03-25 07:00Z | 2004-03-25 15:00Z | — | 8 h |
| 2004-03-26 09:00Z | 2004-03-26 14:00Z | — | 5 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
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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.