Nav aids
Loran-c stations sylt, rate 7499-M, and lessay, rate 6731-Z, off air 070600Z to 071800Z jun, alternate…
HYDROLANT 1163/99
- issued
- 1999-06-06 08:59Z
- status
- cancelled 1999-06-08 19:00Z (archive)
- self-cancels
- 1999-06-08 19:00Z
- authority
- NAVAREA ONE 223/99 060653Z JUN 99
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. LORAN-C STATIONS SYLT, RATE 7499-M, AND LESSAY, RATE 6731-Z, OFF AIR 070600Z TO 071800Z JUN, ALTERNATE 080600Z TO 081800Z JUN. 2. CANCEL THIS MSG 081900Z JUN.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-06-07 06:00Z | 1999-06-07 18:00Z | — | 12 h |
| 1999-06-08 06:00Z | 1999-06-08 18:00Z | — | 12 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.