Hazardous operations 0300Z to 1900Z daily 27 thru 29 may in area bound by 71-30N 020-30E, 73-30N 020-30E,…
Norwegian Sea · HYDROARC 83/21
What this record establishes
Archived notice · 2021-05-29 20:00Z
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 XIX 57/21 251937Z MAY 21.. Issued 2021-05-25 19:37Z. 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
- Norwegian 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 HYDROARC 83/21 and this msglater cancellation notice
Current notices and reporting history in the Norwegian Sea →
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2021-05-27 03:00Z | 2021-05-27 19:00Z | — | 16 h |
| 2021-05-28 03:00Z | 2021-05-28 19:00Z | — | 16 h |
| 2021-05-29 03:00Z | 2021-05-29 19:00Z | — | 16 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2021-05-25 19:37Z
- status
- Archived notice
- self-cancels
- 2021-05-29 20:00Z
- authority
- NAVAREA XIX 57/21 251937Z MAY 21.
- NAVAREA
- NAVAREA XIX · named as the source of this relay
- sea
- Norwegian Sea
- position
- 72.500, 22.250
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
BARENTS SEA. NORWEGIAN SEA. NORWAY. DNC 22. 1. HAZARDOUS OPERATIONS 0300Z TO 1900Z DAILY 27 THRU 29 MAY IN AREA BOUND BY 71-30N 020-30E, 73-30N 020-30E, 73-30N 024-00E, 71-30N 024-00E. 2. CANCEL THIS MSG 292000Z MAY 21.
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.
- Hazardous operations
- NGA's heading for activities that make an area dangerous — most often rocket launches, space debris and weapons firings, and some open-ended danger areas.
- 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.
- 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.
Collected reports in this area · military exercises
17 within 180 nm since 2007 · 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.
- Hazardous operations 1930Z to 2030Z daily 28 apr thru 07 may in areas bound by: a. 71-54.10N 032-27.27E,…2022-04-26
- Hazardous operations 1930Z to 2030Z daily 01 thru 07 may in areas bound by: a. 71-54.10N 032-27.27E,…2022-04-26
- Hazardous operations 1930Z to 2030Z daily 28 apr thru 07 may in areas bound by: a. 71-54-10N 032-27-27E,…2022-04-25
- Hazardous operations 1930Z to 2030Z daily 26 and 27 apr in area bound by a. 71-54-10N 032-27-27E, 70-54-52N…2022-04-21
- Hazardous operations 0700Z to 1000Z and 1400Z to 1700Z daily 10 and 11 sep in area bound by 72-35N 020-10E,…2021-09-08
- Hazardous operations 0500Z to 1900Z daily 02 thru 06 jun in area bound by 74-10.0N 019-35.0E, 74-10.0N…2021-06-01
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
10 military exercises listed in force · see all
Record snapshot 2026-10-03 06:36Z; 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.