Nav aids

Loran-c station lessay, rates 6731-X, 6731-Z, 7499-X and 7499-Y off air 250600Z to 251200 may, alternate…

HYDROLANT 901/04

issued: 2004-05-25 01:30Z
status: cancelled 2004-05-25 09:50Z (archive)
self-cancels: 2004-05-26 13:00Z
authority: NAVAREA I 187/04 241757Z MAY 04
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. LORAN-C STATION LESSAY, RATES 6731-X,
   6731-Z, 7499-X AND 7499-Y OFF AIR
   250600Z TO 251200 MAY, ALTERNATE
   260600Z TO 261200Z MAY.
2. CANCEL THIS MSG 261300Z MAY.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2004-05-26 06:00Z	2004-05-26 12:00Z	—	6 h

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

Timeline

Hazardous operations 1430Z to 0230Z commencing daily 26, 28 may and 01 thru 03 jun in area bound by 47-49.2N…cancelled by · 2004-05-25

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

195 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.