Nav aids

Coast guard camslant chesapeake unreliable 171400Z to 171600Z oct and off air 171800Z to 172000Z oct

U.S · HYDROLANT 1733/07

issued: 2007-10-16 00:43Z
status: cancelled 2007-10-16 00:59Z (archive)
self-cancels: 2007-10-17 21:00Z
authority: COGARD CAMSLANT CHESAPEAKE VA 152125Z OCT 07.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. U.S. COAST GUARD CAMSLANT CHESAPEAKE UNRELIABLE 
   171400Z TO 171600Z OCT AND OFF AIR 171800Z TO 172000Z OCT.
2. CANCEL THIS MSG 172100Z OCT.

Activity windows · 2 in this warning

opens (UTC)	closes (UTC)	local	length
2007-10-17 14:00Z	2007-10-17 16:00Z	—	2 h
2007-10-17 18:00Z	2007-10-17 20:00Z	—	2 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 HYDROLANT 1733/07 and this msgcancelled by · 2007-10-16

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.