Nav aids

Loran-c station soustons, rate 6731-X, off air 220700Z to 221000Z apr, alternate 230700Z to 231000Z apr

HYDROLANT 819/03

issued: 2003-04-21 14:30Z
status: cancelled 2003-04-23 11:00Z (archive)
self-cancels: 2003-04-23 11:00Z
cancels: HYDROLANT 808/03
authority: NAVAREA II 131/03 200619Z APR 03
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. LORAN-C STATION SOUSTONS, RATE 6731-X, OFF AIR
   220700Z TO 221000Z APR, ALTERNATE
   230700Z TO 231000Z APR.
2. CANCEL HYDROLANT 808/03.
3. CANCEL THIS MSG 231100Z APR.

Activity windows · 2 in this warning

opens (UTC)	closes (UTC)	local	length
2003-04-22 07:00Z	2003-04-22 10:00Z	—	3 h
2003-04-23 07:00Z	2003-04-23 10:00Z	—	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 station soustons, rate 6731-X, off air 220700Z to 221000Z apr, alternate 230700Z to 231000Z aprcancels · 2003-04-20
Loran-c station soustons, rate 6731-X, off air 220700Z to 221000Z apr, alternate 230700Z to 231000Z aprreplaced · 2003-04-20

Nearby now · within 120 nm

Nothing else in force within 120 nm.

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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.