Other

Prn 17 unusable 111740Z to 120540Z aug

GPS Satellite System · HYDROARC 124/11

issued: 2011-08-07 09:55Z
status: cancelled 2011-08-12 06:40Z (archive)
self-cancels: 2011-08-12 06:40Z
cancels: HYDROARC 119/11
authority: COGARD NAVCEN GPS 570/11 051552Z AUG 11 - NAVAREA XX 58/11 070534Z AUG 11.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

GPS SATELLITE SYSTEM.
1. PRN 17 UNUSABLE 111740Z TO 120540Z AUG.
2. CANCEL HYDROARC 119/11(42).
3. CANCEL THIS MSG 120640Z AUG.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2011-08-11 17:40Z	2011-08-12 05:40Z	—	12 h

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

Timeline

Hazardous operations 0400Z to 1600Z daily 05 thru 07 aug in area between 69-34.5N 69-58.0N and 033-38.0E…cancels · 2011-08-02
Hazardous operations 0400Z to 1600Z daily 05 thru 07 aug in area between 69-34.5N 69-58.0N and 033-38.0E…replaced · 2011-08-02

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.