Other

Prn 31 unusable

HYDROPAC 1974/04

issued: 2004-12-28 02:19Z
status: cancelled 2005-01-13 14:12Z (archive)
authority: NAVCEN ALEXANDRIA 280042Z DEC 04.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

PRN 31 UNUSABLE.

Timeline

HYDROPAC messages in force 130800Z jan 2005cancelled by · 2005-01-13

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

68 other warnings in force · see all

Other

Everything the classifier did not place elsewhere. All current other warnings →

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.