Other

Prn 23 unusable 031815Z to 041815Z dec

HYDROPAC 2254/02

issued: 2002-11-30 13:09Z
status: cancelled 2002-12-04 09:20Z (archive)
self-cancels: 2002-12-04 19:15Z
authority: NAVCEN ALEXANDRIA GPS BNM#630/02 301239Z NOV 02
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. PRN 23 UNUSABLE 031815Z TO 041815Z DEC.
2. CANCEL THIS MSG 041915Z DEC.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2002-12-03 18:15Z	2002-12-04 18:15Z	—	24 h

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

Timeline

Seismic survey in progress until further notice by M/V western monarch towing eight 3 mile long cables in…cancelled by · 2002-12-04

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

34 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.