Nav aids
Loran-c chain lessay, rate 6731-Y, off air 0900Z to 1800Z daily 04 thru 06 mar
HYDROLANT 431/09
- issued
- 2009-03-03 10:11Z
- status
- cancelled 2009-03-06 19:00Z (archive)
- self-cancels
- 2009-03-06 19:00Z
- authority
- NAVAREA I 49/09 030948Z MAR.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. LORAN-C CHAIN LESSAY, RATE 6731-Y, OFF AIR 0900Z TO 1800Z DAILY 04 THRU 06 MAR. 2. CANCEL THIS MSG 061900Z MAR.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2009-03-04 09:00Z | 2009-03-04 18:00Z | — | 9 h |
| 2009-03-05 09:00Z | 2009-03-05 18:00Z | — | 9 h |
| 2009-03-06 09:00Z | 2009-03-06 18:00Z | — | 9 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
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.