Other
Prn 04 unusable 232359Z to 241200Z oct
HYDROLANT 1978/03
- issued
- 2003-10-21 13:34Z
- status
- cancelled 2003-10-24 13:00Z (archive)
- self-cancels
- 2003-10-24 13:00Z
- authority
- COGARD NAVCEN GPS BNM 580/03 211109Z OCT 03
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. PRN 04 UNUSABLE 232359Z TO 241200Z OCT. 2. CANCEL THIS MSG 241300Z OCT.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2003-10-23 23:59Z | 2003-10-24 12:00Z | — | 12 h 01 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
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.