Nav aids

Loran-c station middletown, rate 9940-X, off air 231800Z to 232200Z mar, alternate 241800Z to 242200Z mar

NAVAREA XII 99/04

issued: 2004-03-19 01:00Z
status: cancelled 2004-03-23 22:00Z (archive)
self-cancels: 2004-03-24 23:00Z
authority: COGARD NAVCEN 190019Z MAR 04
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. LORAN-C STATION MIDDLETOWN, RATE 9940-X,
   OFF AIR 231800Z TO 232200Z MAR, ALTERNATE
   241800Z TO 242200Z MAR.
2. CANCEL THIS MSG 242300Z MAR.

Activity windows · 2 in this warning

opens (UTC)	closes (UTC)	local	length
2004-03-23 18:00Z	2004-03-23 22:00Z	—	4 h
2004-03-24 18:00Z	2004-03-24 22:00Z	—	4 h

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

Timeline

Cancel NAVAREA XII 99/04 and this msg, station restoredcancelled by · 2004-03-23

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.