Cancel HYDROLANT 392/12
Celtic Sea · HYDROLANT 399/12
What this record establishes
Archived notice · 2012-08-04 10:00Z
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) · WZ 291/12 202021Z FEB 12.. Issued 2012-02-20 21:42Z. 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
- Celtic Sea. The parsed report position is 51.693, -5.287. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Cancel HYDROLANT 385/12cancelled by this notice
- issued
- 2012-02-20 21:42Z
- status
- Archived notice
- authority
- WZ 291/12 202021Z FEB 12.
- issued by
- WZ
- sea
- Celtic Sea
- position
- 51.693, -5.287
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WALES-SOUTHWEST COAST. CHART 36035 1. SKOKHOLM LIGHT 51-41.6N 005-17.2W RANGE REDUCED TO EIGHT MILES. 2. CANCEL HYDROLANT 392/12.
Reading this warning
- Chart reference
- The number of the nautical chart on which the reported position lies.
- Position (degrees and minutes)
- How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
- 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.
Collected reports in this area · aids-to-navigation notices
1709 within 180 nm since 1997 · 2 in the last 12 months · 0 listed in force now
Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.
- Bull point light in 51-12.00N 004-12.10W unreliable2026-09-24
- Fowey light 50-19.60N 004-38.90W unreliable2026-07-27
- Balbriggan island light 53-36.80N 006-10.80W unreliable2024-09-25
- Mf r/t and dsc services at scillies site 49-55.70N 006-18.20W off air2024-09-05
- Fog signal at mumbles head light 51-34.00N 003-58.30W inoperative2024-04-26
- Isle of man light 54-03.70N 004-48.00W unlit2024-04-25
Month of issue in the collected archive
All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.
Nearby notices listed in force · within 120 nm
No other collected notice is currently listed in force within this radius. This does not establish safe conditions.
Worldwide in the collected sources
137 aids-to-navigation notices listed in force · see all
Record snapshot 2026-10-02 02:08Z; 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.