RACON at hook head light 52-07N 006-56W unreliable
Celtic Sea · HYDROLANT 2091/02
What this record establishes
Archived notice · 2002-09-21 11:10Z
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 1448/02 181131Z SEP 02; NAVAREA III 464/02 181022 SEP 02. Issued 2002-09-18 17:05Z. 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 52.117, -6.933. 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
- issued
- 2002-09-18 17:05Z
- status
- Archived notice
- authority
- WZ 1448/02 181131Z SEP 02; NAVAREA III 464/02 181022 SEP 02
- NAVAREA
- NAVAREA III · named as the source of this relay
- issued by
- WZ
- sea
- Celtic Sea
- position
- 52.117, -6.933
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
CHART 35420 (13TH ED). 1. RACON AT HOOK HEAD LIGHT 52-07N 006-56W UNRELIABLE. 2. CANCEL HYDROLANT 1908/02(54,56), OPERATIONS COMPLETED.
Reading this warning
- Chart reference
- The number of the nautical chart on which the reported position lies.
- RACON (radar beacon)
- A radar beacon on a buoy, lighthouse or structure that answers a ship's radar with a Morse-code mark on the screen.
- 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.
- Inoperative / unreliable / off air
- An aid or radio service is not working as charted or published.
- 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
1489 within 180 nm since 1997 · 3 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
- Mew island light 54-41.90N 005-30.80W unreliable2026-08-11
- Fowey light 50-19.60N 004-38.90W unreliable2026-07-27
- Balbriggan island light 53-36.80N 006-10.80W unreliable2024-09-25
- GPS jamming exercises 0730Z to 1630Z daily 23 sep thru 04 oct in area within 22 miles of 54-50.00N 004-56.00W2024-09-18
- Mf r/t and dsc services at scillies site 49-55.70N 006-18.20W off air2024-09-05
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
134 aids-to-navigation notices listed in force · see all
Record snapshot 2026-10-03 08:02Z; 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.