Nav aids
Coast guard station boston transmitters off air 231300Z to 231700Z aug
Western North Atlantic · Massachusetts · Radio Services · U.S · NAVAREA IV 465/12
- issued
- 2012-08-22 07:57Z
- status
- cancelled 2012-08-23 18:00Z (archive)
- self-cancels
- 2012-08-23 18:00Z
- authority
- COGARD CAMSLANT 201842Z AUG 12.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH ATLANTIC. MASSACHUSETTS. RADIO SERVICES. 1. U.S. COAST GUARD STATION BOSTON TRANSMITTERS OFF AIR 231300Z TO 231700Z AUG. BOSTON BROADCASTS WILL BE TRANSMITTED FROM U.S. COAST GUARD STATION CHESAPEAKE. 2. CANCEL THIS MSG 231800Z AUG 12.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2012-08-23 13:00Z | 2012-08-23 17:00Z | — | 4 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
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.