Exercises

Hazardous operations 0600Z to 1500Z daily 13 and 14 apr in area bound by 72-40N 015-00E, 72-40N 030-00E,…

Norwegian Sea · HYDROARC 51/21

What this record establishes

Archived notice · 2021-04-14 19:56Z

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 39/21 131202Z APR 21.. Issued 2021-04-13 12:11Z. 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

Current notices and reporting history in the Norwegian Sea →

issued
2021-04-13 12:11Z
status
Archived notice
self-cancels
2021-04-14 16:00Z
authority
NAVAREA XIX 39/21 131202Z APR 21.
NAVAREA
NAVAREA XIX · named as the source of this relay
sea
Norwegian Sea
position
72.333, 22.500
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 0600Z TO 1500Z DAILY
   13 AND 14 APR IN AREA BOUND BY
   72-40N 015-00E, 72-40N 030-00E,
   72-00N 030-00E, 72-00N 015-00E.
2. CANCEL THIS MSG 141600Z APR 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.

All warning terms →

Collected reports in this area · military exercises

16 within 180 nm since 2007 · 0 in the last 12 months · 0 listed in force now

07
10
15
20
22

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

J
F
M
A
M
J
J
A
S
O
N
D

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 02:03Z; 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.