Gunnery exercises 262100Z to 302100Z apr in area bound by 47-45.8N 153-08.6E, 48-02.3N 152-45.8E, 48-17.8N…
Sea of Okhotsk · HYDROPAC 1268/20
What this record establishes
Archived notice · 2020-04-30 22:00Z
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 44/20 230910Z APR 20.. Issued 2020-04-23 09:08Z. 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
- Sea of Okhotsk. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Current notices and reporting history in the Sea of Okhotsk →
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2020-04-26 21:00Z | 2020-04-30 21:00Z | — | 96 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2020-04-23 09:08Z
- status
- Archived notice
- self-cancels
- 2020-04-30 22:00Z
- authority
- NAVAREA XIII 44/20 230910Z APR 20.
- NAVAREA
- NAVAREA XIII · named as the source of this relay
- sea
- Sea of Okhotsk
- position
- 48.030, 153.175
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC. SEA OF OKHOTSK. KURIL ISLANDS. DNC 24. 1. GUNNERY EXERCISES 262100Z TO 302100Z APR IN AREA BOUND BY 47-45.8N 153-08.6E, 48-02.3N 152-45.8E, 48-17.8N 153-13.3E, 48-01.3N 153-34.7E. 2. CANCEL THIS MSG 302200Z APR 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.
- Gunnery and live firing
- Naval or coastal guns firing into a sea area for practice, at stated times.
- 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 · military exercises
18 within 180 nm since 2011 · 2 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.
- Gunnery exercises in progress until 031200Z sep in areas bound by: a. 50-05.00N 155-07.00E, 49-55.00N…2026-08-31
- Hazardous operations in progress until 030500Z sep in areas bound by: a. 51-03.30N 156-22.20E, 50-43.10N…2026-08-31
- Hazardous operations 250700Z sep to 080700Z oct in area bound by 46-20.00N 151-05.00E, 46-49.10N 151-00.50E,…2024-09-24
- Gunnery exercises 251400Z apr to 151200Z may in areas bound by: a. 49-55.00N 155-33.00E, 50-05.00N…2024-04-25
- Gunnery exercises in progress until 151200Z may in area bound by 46-55.40N 151-26.00E, 46-34.40N 151-43.70E,…2024-04-23
- Gunnery exercises 171100Z to 221300Z apr in area bound by 46-55.40N 151-26.00E, 46-49.10N 151-00.50E,…2024-04-17
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
9 military exercises listed in force · see all
Record snapshot 2026-10-02 20:21Z; source collection times vary.
Exercises
Gunnery, firing and naval exercise areas. All current military exercises →
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.