Scientific mooring, top float 221 meters below surface, established in 69-54.66N 066-48.42W
Davis Strait · HYDROARC 166/21
What this record establishes
Archived notice · 2022-03-18 12:36Z
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 XVIII 56/21 040301Z AUG 21.. Issued 2021-08-04 03:33Z. 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
- Davis Strait. The parsed report position is 69.911, -66.807. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
- issued
- 2021-08-04 03:33Z
- status
- Archived notice
- authority
- NAVAREA XVIII 56/21 040301Z AUG 21.
- NAVAREA
- NAVAREA XVIII · named as the source of this relay
- sea
- Davis Strait
- position
- 69.911, -66.807
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
DAVIS STRAIT. CANADA. DNC 28. SCIENTIFIC MOORING, TOP FLOAT 221 METERS BELOW SURFACE, ESTABLISHED IN 69-54.66N 066-48.42W.
Reading this warning
- DNC (Digital Nautical Chart)
- A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
- 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
4 within 180 nm since 2021 · 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.
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 00:09Z; 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.