Nav aids
Loran-c station lessay, rates 6731-X, 6731-Z and 7499-X, off air 1500Z to 2100Z daily 17 thru 19 mar
HYDROLANT 423/04
- issued
- 2004-03-15 07:05Z
- status
- cancelled 2004-03-19 22:00Z (archive)
- self-cancels
- 2004-03-19 22:00Z
- authority
- NAVAREA II 94/04 150620Z 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 17 THRU 19 MAR. 2. CANCEL THIS MSG 192200Z MAR.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2004-03-17 15:00Z | 2004-03-17 21:00Z | — | 6 h |
| 2004-03-18 15:00Z | 2004-03-18 21:00Z | — | 6 h |
| 2004-03-19 15:00Z | 2004-03-19 21:00Z | — | 6 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.