Nga chart 35172 (2ND ed)
North Atlantic Ocean · HYDROLANT 642/10
What this record establishes
Archived notice · 2011-06-20 17:00Z
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 421/10 132015Z APR 10.. Issued 2010-04-14 07:53Z. 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
- North Atlantic Ocean. The parsed report position is 59.122, -5.813. 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
- Nga chart 36025 (1ST ed)later cancellation notice
Current notices and reporting history in the North Atlantic Ocean →
- issued
- 2010-04-14 07:53Z
- status
- Archived notice
- authority
- WZ 421/10 132015Z APR 10.
- issued by
- WZ
- sea
- North Atlantic Ocean
- position
- 59.122, -5.813
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
SCOTLAND-NORTH COAST. NGA CHART 35172 (2ND ED). RONA LIGHT 59-07.3N 005-48.8W RANGE TEMPORARILY REDUCED TO TEN MILES.
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.
Collected reports in this area · aids-to-navigation notices
1825 within 180 nm since 1998 · 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.
- RACON at hyskeir light 56-58.20N 006-40.80W inoperative2026-08-28
- Mf dsc service off air at tiree 56-30.20N 006-57.80W2026-08-08
- Noup head light 59-19.90N 003-04.20W range reduced to 12 miles2026-08-05
- Dsc services at glengorm site 56-37.90N 006-08.00W off air2024-04-29
- GPS jamming exercises 0830Z to 1700Z daily 29 apr thru 03 may in area within 11 miles of 57-21.00N 007-24.00W2024-04-24
- Mrcc shetland mf r/t and dsc services at collafirth hill site 60-32.00N 001-23.50W off air2024-04-01
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 2026-09-30 11:11Z; 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.