Nga chart 801 (1ST ed)
Arctic Ocean · HYDROARC 9/10
What this record establishes
Archived notice · 2011-08-14 12:44Z
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) · NAVAREA XVII 4/10 012326Z JUL 10. Issued 2010-07-02 16:43Z. 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
- Arctic Ocean. The parsed report position is 74.706, -142.943. 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 803 (1ST ed)later cancellation notice
- issued
- 2010-07-02 16:43Z
- status
- Archived notice
- authority
- NAVAREA XVII 4/10 012326Z JUL 10
- NAVAREA
- NAVAREA XVII · named as the source of this relay
- sea
- Arctic Ocean
- position
- 74.706, -142.943
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
ARCTIC. BEAUFORT SEA. NGA CHART 801 (1ST ED). BOTTOM SCIENTIFIC MOORINGS, TOP FLOAT 50 METERS, ESTABLISHED: A. BGOS-A IN 75-00.00N 150-00.01W. B. BGOS-B IN 78-00.08N 149-59.95W. C. BGOS-D IN 73-59.74N 139-59.70W. D. CABOS-H IN 71-49.71N 131-46.60W.
Reading this warning
- Chart reference
- The number of the nautical chart on which the reported position lies.
- Scientific mooring
- Instruments anchored to the seabed and held up by floats, sometimes just below the surface, left for months to measure the ocean.
- 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 · survey operations
13 within 180 nm since 2006 · 0 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.
- Scientific mooring TU-1 76-00.00N 160-10.00W removed2016-09-04
- B. bgos-d 73-59.64N 139-58.95W, at depth 3504 meters2012-09-06
- Nga chart 803 (1ST ed)2011-08-14
- Beaufort Sea2010-08-11
- Nga chart 16003 (17TH ed)2010-07-08
- Nga chart 16003 (17TH ed)2010-07-02
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
56 survey operations listed in force · see all
Record snapshot 2026-10-02 18:19Z; source collection times vary.
Surveys
Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →
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.