B. 71-44.02N 155-09.50W, top float 43 meters
Arctic Ocean · HYDROARC 363/15
What this record establishes
Archived notice · 2016-09-08 12:40Z
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 120/15 141130Z OCT 15.. Issued 2015-10-14 21:13Z. 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 72.195, -156.338. 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
- B. 71-44.01N 155-09.55W, top float 43 meterscancelled by this notice
- Scientific moorings established in: a. 72-28.34N 155-24.39W, top float 62 meterslater cancellation notice
- issued
- 2015-10-14 21:13Z
- status
- Archived notice
- authority
- NAVAREA XVII 120/15 141130Z OCT 15.
- NAVAREA
- NAVAREA XVII · named as the source of this relay
- sea
- Arctic Ocean
- position
- 72.195, -156.338
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
ARCTIC. BEAUFORT SEA. CHART 16004 1. SCIENTIFIC MOORINGS ESTABLISHED IN: A. 71-40.36N 154-59.77W, TOP FLOAT 40 METERS. B. 71-44.02N 155-09.50W, TOP FLOAT 43 METERS. C. 71-47.75N 155-20.81W, TOP FLOAT 42 METERS. D. 72-28.34N 155-24.39W, TOP FLOAT 62 METERS. E. 73-18.14N 160-46.92W, TOP FLOAT 52 METERS. 2. CANCEL HYDROARC 240/14.
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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROARC
- The U.S. long-range warning series for the Arctic Ocean.
Collected reports in this area · survey operations
63 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 mooring, top float 35 meters, established in 74-31.38N 161-56.54W2023-10-25
- 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
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
56 survey operations listed in force · see all
Record snapshot 2026-10-01 20:27Z; 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.