Nav aids

Coast guard station boston communication services unreliable 1200Z to 2000Z daily 11 thru 15 aug

Western North Atlantic · Massachusetts · Radio Services · U.S · NAVAREA IV 626/14

issued: 2014-08-09 07:03Z
status: cancelled 2014-08-15 21:00Z (archive)
self-cancels: 2014-08-15 21:00Z
cancels: NAVAREA IV 603/14
authority: COGARD CAMSLANT 011717Z AUG 14.
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 COMMUNICATION SERVICES
   UNRELIABLE 1200Z TO 2000Z DAILY 11 THRU 15 AUG.
2. CANCEL NAVAREA IV 603/14.
3. CANCEL THIS MSG 152100Z AUG 14.

Activity windows · 5 in this warning

opens (UTC)	closes (UTC)	local	length
2014-08-11 12:00Z	2014-08-11 20:00Z	—	8 h
2014-08-12 12:00Z	2014-08-12 20:00Z	—	8 h
2014-08-13 12:00Z	2014-08-13 20:00Z	—	8 h
2014-08-14 12:00Z	2014-08-14 20:00Z	—	8 h
2014-08-15 12:00Z	2014-08-15 20:00Z	—	8 h

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

Timeline

Coast guard station boston unable to receive hf voice callscancels · 2014-08-01
Coast guard station boston unable to receive hf voice callsreplaced · 2014-08-01

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.