Nav aids
Prn 13 unusable until further notice
HYDROLANT 197/99
What this record establishes
Archived notice · 1999-01-30 00:00Z
This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.
- Source and dates
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05). Issued 1999-01-29 21:27Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
- Location covered
- No named location parsed. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Start point light 59-17N 002-22W unlitcancelled by this notice
- Underwater operations 010800Z to 050800Z feb in areas within: a. 2000 yards of 44-06N 009-30Elater cancellation notice
- issued
- 1999-01-29 21:27Z
- status
- Archived notice
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. PRN 13 UNUSABLE UNTIL FURTHER NOTICE. 2. CANCEL HYDROLANT 187/99(35), AID RESTORED.
Reading this warning
- Until further notice
- The operation or danger has no scheduled end; the warning stays in force until a later message cancels it.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROLANT
- The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
Nearby notices listed in force · within 120 nm
No parsed position is available for this comparison.
Worldwide in the collected sources
134 aids-to-navigation notices listed in force · see all
Record snapshot 2026-10-02 21:56Z; source collection times vary.
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.