Mining operations 272100Z to 292100Z aug in area bound by 66-21.2N 170-01.1W, 66-21.6N 169-59.4W, 66-20.0N…
Bering Sea · HYDROPAC 2474/20
What this record establishes
Archived notice · 2020-08-29 11:44Z
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 XIII 91/20 240919Z AUG 20.. Issued 2020-08-24 10:33Z. 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
- Bering Sea. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Cancel HYDROPAC 2474/20 and this msglater cancellation notice
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2020-08-27 21:00Z | 2020-08-29 21:00Z | — | 48 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2020-08-24 10:33Z
- status
- Archived notice
- self-cancels
- 2020-08-29 22:00Z
- authority
- NAVAREA XIII 91/20 240919Z AUG 20.
- NAVAREA
- NAVAREA XIII · named as the source of this relay
- sea
- Bering Sea
- position
- 66.343, -169.982
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
BERING STRAIT. RUSSIA. DNC 27. 1. MINING OPERATIONS 272100Z TO 292100Z AUG IN AREA BOUND BY 66-21.2N 170-01.1W, 66-21.6N 169-59.4W, 66-20.0N 169-56.8W, 66-19.5N 169-58.5W. 2. CANCEL THIS MSG 292200Z AUG 20.
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.
- Date-time group (DTG)
- A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.
- Area bound by
- Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
- 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.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · mine warnings
1 within 180 nm since 2020 · 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
Worldwide in the collected sources
8 mine warnings listed in force · see all
Record snapshot 2026-09-24 23:57Z; source collection times vary.
Mines
Drifting or reported sea mines. Mostly the Black Sea since 2022. All current mine warnings →
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.