Other

Bombing exercises 301400Z oct to 051400Z nov in area bound by 70-50N 177-30E, 69-52N 176-10E, 70-34N 179-40W

Kara Sea · HYDROARC 257/20

What this record establishes

Archived notice · 2020-11-05 15:00Z

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 XXI 47/20 300725Z OCT 20.. Issued 2020-10-30 08:48Z. 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
Kara 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 Kara Sea →

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2020-10-30 14:00Z2020-11-05 14:00Z—144 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

issued
2020-10-30 08:48Z
status
Archived notice
self-cancels
2020-11-05 15:00Z
authority
NAVAREA XXI 47/20 300725Z OCT 20.
NAVAREA
NAVAREA XXI · named as the source of this relay
sea
Kara Sea
position
70.422, 58.000
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

EAST SIBERIAN SEA.
CHUKCHI SEA.
RUSSIA.
DNC 27.
1. BOMBING EXERCISES 301400Z OCT TO 051400Z NOV
   IN AREA BOUND BY
   70-50N 177-30E, 69-52N 176-10E,
   70-34N 179-40W.
2. CANCEL THIS MSG 051500Z NOV 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.
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.

All warning terms →

Collected reports in this area · other warnings

2 within 180 nm since 2020 · 0 in the last 12 months · 0 listed in force now

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

21 other warnings listed in force · see all

Record snapshot 2026-10-02 18:34Z; 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.