Nga chart 17434 (13TH ed)
The Coastal Waters of Southeast Alaska and British Columbia · NAVAREA XII 80/08
What this record establishes
Archived notice · 2008-03-15 08:26Z
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) · COGARD NAVCEN DGPS BNM 163/08 051718Z MAR 08.. Issued 2008-03-06 07:03Z. 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
- The Coastal Waters of Southeast Alaska and British Columbia. The parsed report position is 55.068, -131.600. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
- issued
- 2008-03-06 07:03Z
- status
- Archived notice
- authority
- COGARD NAVCEN DGPS BNM 163/08 051718Z MAR 08.
- NAVAREA
- NAVAREA XII
- issued by
- COGARD NAVCEN
- sea
- The Coastal Waters of Southeast Alaska and British Columbia
- position
- 55.068, -131.600
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
NGA CHART 17434 (13TH ED). DGPS STATION AT ANNETTE ISLAND 55-04.1N 131-36.0W UNUSABLE.
Reading this warning
- Chart reference
- The number of the nautical chart on which the reported position lies.
- GNSS / GPS
- Satellite positioning — GPS and other systems — and the testing, jamming and interference that make it unreliable in an area.
- 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
184 within 180 nm since 2006 · 1 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.
- Uscg communication facility pt higgins 55-27.00N 131-49.00W transmit and receive services off air2026-06-16
- NAVTEX station digby island (d) 54-17.85N 130-25.10W off air2024-02-20
- NAVTEX station digby island (d) 54-18.05N 130-24.17W off air2023-12-12
- NAVTEX station digby island (d) 54-18.05N 130-24.17W off air2023-08-08
- Commdet kodiak, ak remote site point higgins 55-27.40N 131-49.90W transmit services off air2023-03-12
- Commdet kodiak, ak remote site ketchikan 55-27.00N 131-49.00W hf services unreliable 240700Z to 241500Z feb2023-02-23
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 18:42Z; 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.