Hazardous operations
Norwegian Sea · HYDROARC 42/16
What this record establishes
Archived notice · 2016-04-23 18:43Z
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 28/16 220630Z APR 16.. Issued 2016-04-22 08:54Z. 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
- Hazardous operationslater cancellation notice
Current notices and reporting history in the Norwegian Sea →
Activity windows · 12 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2016-04-18 11:00Z | 2016-04-18 22:00Z | — | 11 h |
| 2016-04-19 11:00Z | 2016-04-19 22:00Z | — | 11 h |
| 2016-04-20 11:00Z | 2016-04-20 22:00Z | — | 11 h |
| 2016-04-21 11:00Z | 2016-04-21 22:00Z | — | 11 h |
| 2016-04-22 11:00Z | 2016-04-22 22:00Z | — | 11 h |
| 2016-04-23 11:00Z | 2016-04-23 22:00Z | — | 11 h |
| 2016-04-24 11:00Z | 2016-04-24 22:00Z | — | 11 h |
| 2016-04-25 11:00Z | 2016-04-25 22:00Z | — | 11 h |
| … 4 more | |||
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2016-04-22 08:54Z
- status
- Archived notice
- self-cancels
- 2016-04-29 23:00Z
- authority
- NAVAREA XIX 28/16 220630Z APR 16.
- NAVAREA
- NAVAREA XIX · named as the source of this relay
- sea
- Norwegian Sea
- position
- 69.995, 15.160
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
ARCTIC.
NORWEGIAN SEA.
HAZARDOUS OPERATIONS.
DNC 21, DNC 22.
1. HAZARDOUS OPERATIONS 1100Z TO 2200Z DAILY
18 THRU 29 APR IN AREAS BOUND BY:
A. 69-18.4N 015-52.0E, 69-25.5N 014-56.4E,
70-13.1N 012-41.7E, 70-46.6N 015-45.3E,
69-53.6N 016-40.3E, 69-28.8N 016-43.2E.
B. 69-31.4N 015-38.8E, 69-15.7N 016-27.1E,
69-31.5N 017-14.3E, 69-39.7N 016-42.0E,
69-39.7N 016-12.9E.
2. CANCEL THIS MSG 292300Z APR 16.
Reading this warning
- 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.
- 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.
- 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
53 within 180 nm since 2000 · 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 1600Z to 0200Z daily 13 and 14 sep in area bound by 69-04.00N 015-40.00E, 69-09.00N…2023-09-12
- Hazardous operations 0800Z to 1800Z daily 30 aug thru 08 sep in areas bound by: a. 69-31.50N 016-45.00E,…2023-08-29
- Hazardous operations 1800Z to 0200Z daily 17 thru 26 apr in areas bound by: a. 69-00.00N 012-18.00E,…2023-04-15
- Hazardous operations in progress until 172359Z mar in area bound by 62-00.00N 005-05.08E, 62-00.00N…2023-03-02
- Hazardous operations in progress until 172359Z mar in area bound by 62-00.00N 005-05.08E, 62-00.00N…2023-03-02
- Hazardous operations 1500Z to 2000Z daily 27 jun thru 01 jul in area bound by 69-07.00N 015-37.00E,…2022-06-24
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 2026-10-03 04:14Z; 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.