Scientific moorings established: a. 75-00.17N 162-00.18W, top float 185 meters
Chukchi Sea · HYDROARC 256/12
What this record establishes
Archived notice · 2014-09-24 04:32Z
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 117/12 082313Z NOV 12.. Issued 2012-12-03 17:43Z. 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
- Chukchi Sea. The parsed report position is 71.119, -160.058. 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 256/12 and this msglater cancellation notice
- issued
- 2012-12-03 17:43Z
- status
- Archived notice
- authority
- NAVAREA XVII 117/12 082313Z NOV 12.
- NAVAREA
- NAVAREA XVII · named as the source of this relay
- sea
- Chukchi Sea
- position
- 71.119, -160.058
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
ARCTIC. CHUKCHI SEA. CHART 803. SCIENTIFIC MOORINGS ESTABLISHED: A. 75-00.17N 162-00.18W, TOP FLOAT 185 METERS. B. 71-43.59N 155-11.11W, TOP FLOAT 41 METERS. C. 71-40.35N 154-59.74W, TOP FLOAT 40 METERS. D. 71-47.74N 155-20.75W, TOP FLOAT 41 METERS. E. 71-19.63N 157-39.67W, TOP FLOAT 39 METERS. F. 71-20.49N 157-36.36W, TOP FLOAT 43 METERS. G. 68-02.00N 168-50.03W, TOP FLOAT 52 METERS. H. 68-03.00N 168-50.00W, TOP FLOAT 53 METERS.
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
64 within 180 nm since 2004 · 0 in the last 12 months · 1 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 moorings established: a. BCE-24, in 71-40.40N 154-59.90W, at depth 108 meters, top float 20 meters2024-12-17
- Scientific moorings established in: a. 71-47.78N 155-20.81W, top float 15 meters2023-10-25
- Scientific moorings established in: a. 71-18.16N 155-42.37W2023-08-09
- Scientific moorings established in: a. 70-43.82N 160-22.05W2023-08-09
- Scientific moorings established in: a. 71-47.78N 155-20.81W, top float 15 meters2022-09-11
- Scientific moorings established: a. 71-47.78N 155-20.81W, top float 15 meters2022-09-02
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
Worldwide in the collected sources
54 survey operations listed in force · see all
Record snapshot 2026-10-02 14:29Z; 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.