Beaufort Sea
Beaufort Sea · HYDROARC 198/12
What this record establishes
Archived notice · 2013-10-13 09:31Z
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 98/12 05 OCT 12.. Issued 2012-10-05 23:53Z. 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
- Beaufort Sea. The parsed report position is 70.433, -139.026. 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 HYDROARC 197/12, 198/12 and this msglater cancellation notice
- issued
- 2012-10-05 23:53Z
- status
- Archived notice
- authority
- NAVAREA XVII 98/12 05 OCT 12.
- NAVAREA
- NAVAREA XVII · named as the source of this relay
- sea
- Beaufort Sea
- position
- 70.433, -139.026
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
ARCTIC. BEAUFORT SEA. CHART 15926 SCIENTIFIC MOORING, AT DEPTH 47 METERS, ESTABLISHED IN 70-25.95N 139-01.54W.
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
34 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.
- Sub-surface scientific moorings established in 71-00.13N 135-29.44W2019-12-04
- Sub-surface scientific moorings established in: a. 70-51.79N 135-01.45W, top float 35 meters2019-08-06
- Sub-surface scientific moorings established in: a. 69-46.31N 139-15.49W, top float 16 meters2018-10-11
- Sub-surface scientific moorings established in: a. 69-46.31N 139-15.49W, top float 26 meters2017-10-08
- Scientific moorings, at depth 183 meters and attached by 530 meter long line, established in: a. 70-52.18N…2015-10-02
- Scientific mooring, at depth 61 meters, established in 70-25.94N 139-01.24W2015-10-01
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
- RACON at pullen island light 69-46.60N 134-24.40W inoperativeNav aids · 102.2 nm
Worldwide in the collected sources
54 survey operations listed in force · see all
Record snapshot 2026-09-29 05:39Z; 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.