Nav aids

Coast guard station chesapeake transmitters off air 041100Z to 041500Z sep

Western North Atlantic · Virginia · Radio Services · U.S · NAVAREA IV 499/12

issued: 2012-09-01 08:21Z
status: cancelled 2012-09-04 16:00Z (archive)
self-cancels: 2012-09-04 16:00Z
authority: COGARD CAMSLANT 231140Z AUG 12.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH ATLANTIC.
VIRGINIA.
RADIO SERVICES.
1. U.S. COAST GUARD STATION CHESAPEAKE TRANSMITTERS OFF AIR
   041100Z TO 041500Z SEP. CHESAPEAKE BROADCASTS WILL
   BE TRANSMITTED FROM U.S. COAST GUARD STATIONS
   BOSTON, MIAMI AND NEW ORLEANS.
2. CANCEL THIS MSG 041600Z SEP 12.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2012-09-04 11:00Z	2012-09-04 15:00Z	—	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 IV 499/12 and this msg, station restoredcancelled by · 2012-09-04

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.