Nav aids

Coast guard station boston (nmf) off air 061200Z to 061600Z may

Western North Atlantic · Massachusetts · Radio Services · U.S · NAVAREA IV 150/11

issued: 2011-05-02 19:17Z
status: cancelled 2011-05-06 17:00Z (archive)
self-cancels: 2011-05-06 17:00Z
authority: COGARD CAMSLANT 021845Z MAY 11.
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 (NMF) OFF AIR
   061200Z TO 061600Z MAY. GMDSS AND DSC SERVICES
   UNAVAILABLE. NMF BROADCASTS WILL BE
   TRANSMITTED AND ALL HF DSC AND GMDSS CALLS
   WILL BE ANSWERED BY COGARD CAMSLANT
   CHESAPEAKE (NMN) OR MIAMI (NMA).
2. CANCEL THIS MSG 061700Z MAY.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2011-05-06 12:00Z	2011-05-06 16:00Z	—	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.