Nav aids

The international hydrographic organizations world wide navigational warning service (wwnws) is conducting a…

NAVAREA IV 394/11

issued: 2011-11-14 15:42Z
status: cancelled 2011-12-22 00:01Z (archive)
cancels: NAVAREA IV 386/11
authority: SHGA 14 NOV 11.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. THE INTERNATIONAL HYDROGRAPHIC ORGANIZATIONS WORLD WIDE
   NAVIGATIONAL WARNING SERVICE (WWNWS) IS CONDUCTING A
   SURVEY CONCERNING THE QUALITY OF MSI BROADCAST VIA
   SAFETYNET AND NAVTEX, TO IDENTIFY MEASURES TO IMPROVE
   SERVICE. A SHORT QUESTIONAIRE IS AVAILABLE UNTIL 31 DEC
   AT: HTTP:WWW.TFAFORMS.COM/222229.
2. A SIMILAR SURVEY CONDUCTED BY THE WORLD METEOROLOGICAL
   ORGANISATION IN RESPECTS TO THE WORLD WIDE METEOROLOGICAL
   INFORMATION AND WARNING SERVICE IS AVAILABLE
   AT: WWW.JCOMM.INFO/MMMS.
3. YOUR PARTICIPATION WOULD BE GREATLY APPRECIATED. 
4. CANCEL NAVAREA IV 386/11.
5. CANCEL THIS MSG 22 DEC.

Timeline

The international hydrographic organizations world wide navigational warning service (wwnws) is conducting a…cancels · 2011-11-09
The international hydrographic organizations world wide navigational warning service (wwnws) is conducting a…replaced · 2011-11-09

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.