Other

Hazardous operation 0500Z to 1900Z daily 12 and 13 apr in area bound by 69-58.0N 033-38.0E, 70-00.0N…

Barentsz Sea · HYDROARC 47/18

What this record establishes

Archived notice · 2018-04-13 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 XX 37/18 060530Z APR 18.. Issued 2018-04-09 13:03Z. 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
Barentsz 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.

Current notices and reporting history in the Barentsz Sea →

issued
2018-04-09 13:03Z
status
Archived notice
self-cancels
2018-04-13 20:00Z
authority
NAVAREA XX 37/18 060530Z APR 18.
NAVAREA
NAVAREA XX · named as the source of this relay
sea
Barentsz Sea
position
70.466, 38.549
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

BARENTS SEA.
RUSSIA.
DNC 22.
1. HAZARDOUS OPERATION 0500Z TO 1900Z DAILY
   12 AND 13 APR IN AREA BOUND BY
   69-58.0N 033-38.0E, 70-00.0N 034-00.0E,
   71-30.0N 038-00.0E, 71-30.0N 042-00.0E,
   69-45.0N 042-00.0E, 69-34.5N 033-38.0E.
2. CANCEL THIS MSG 132000Z APR 18.

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.
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 · other warnings

4 within 180 nm since 2011 · 0 in the last 12 months · 0 listed in force now

11
15
20
23

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

23 other warnings listed in force · see all

Record snapshot 2026-10-02 11:17Z; source collection times vary.

Other

Everything the classifier did not place elsewhere. All current other 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.