Nav aids

Loran-c stations off air: a. lessay, rates 6731-MASTER and 7499-X, 030600Z to 030900Z jun

HYDROLANT 1221/02

issued: 2002-06-01 11:10Z
status: cancelled 2002-06-05 10:00Z (archive)
self-cancels: 2002-06-05 10:00Z
cancels: HYDROLANT 1215/02
authority: NAVAREA II 205/02 010800Z JUN 02
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. LORAN-C STATIONS OFF AIR:
   A. LESSAY, RATES 6731-MASTER AND 7499-X, 030600Z TO 030900Z JUN.
   B. BO, RATES 7001-MASTER AND 9007-X, 040700Z TO 041100Z JUN.
   C. SOUSTONS, RATE 6731-X, 050600Z TO 050900Z JUN.
2. CANCEL HYDROLANT 1215/02.
3. CANCEL THIS MSG 051000Z JUN.

Activity windows · 3 in this warning

opens (UTC)	closes (UTC)	local	length
2002-06-03 06:00Z	2002-06-03 09:00Z	—	3 h
2002-06-04 07:00Z	2002-06-04 11:00Z	—	4 h
2002-06-05 06:00Z	2002-06-05 09:00Z	—	3 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

Timeline

Loran-c stations off air: a. sylt, rate 7499-X, 030600Z to 030900Z juncancels · 2002-05-31
Loran-c stations off air: a. sylt, rate 7499-X, 030600Z to 030900Z junreplaced · 2002-05-31

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.