Nav aids

HF/MF radio unreliable and DSC inoperative from 041500Z to 041730Z September at USCG remote facilities: Boston, Chesapeake, Charleston, Miami, New Orleans, San Juan; cancel 041830Z.

North Atlantic · NAVAREA IV 844/26

issued
2026-09-01 07:57Z
status
cancelled 2026-09-01 14:40Z (dropped from inforce)
self-cancels
2026-09-04 18:30Z
sea
North Atlantic Ocean
position
30.878, -77.316
source
nga_inforce · first seen 2026-09-01 15:02Z

Original warning text

NORTH ATLANTIC.
1. HF/MF UNRELIABLE AND DSC INOPERATIVE
   041500Z TO 041730Z SEP AT USCG REMOTE
   COMMUNICATION FACILITIES:
   A. BOSTON 41-43.00N 070-31.00W.
   B. CHESAPEAKE 36-44.00N 076-01.00W.
   C. CHARLESTON 32-50.70N 079-57.00W.
   D. MIAMI 25-37.40N 080-23.40W.
   E. NEW ORLEANS 29-53.00N 089-57.00W.
   F. SAN JUAN 18-28.00N 067-04.30W.
2. CANCEL THIS MSG 041830Z SEP 26.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2026-09-04 15:00Z2026-09-04 17:30Z—2 h 30

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

This area · aids-to-navigation notices

60 within 180 nm since 1998 · 2 in the last 12 months · 1 in force now

98
00
05
10
15
20
25
26

Season · when aids-to-navigation notices happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Nearby now · within 120 nm

Worldwide now

186 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.