Missiles

Missile operations 092100Z to 101000Z apr in area bound by 50-16-00N 140-28-12E, 50-11-18N 140-47-48E,…

Japan Sea · HYDROPAC 1015/21

What this record establishes

Archived notice · 2021-04-10 11:00Z

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 XIII 17/21 030921Z APR 21.. Issued 2021-04-03 10:38Z. 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
Japan 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 Japan Sea →

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2021-04-09 21:00Z2021-04-10 10:00Z—13 h

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

issued
2021-04-03 10:38Z
status
Archived notice
self-cancels
2021-04-10 11:00Z
authority
NAVAREA XIII 17/21 030921Z APR 21.
NAVAREA
NAVAREA XIII · named as the source of this relay
sea
Japan Sea
position
46.538, 139.478
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

TARTAR STRAIT.
SEA OF JAPAN.
RUSSIA.
DNC 24.
1. MISSILE OPERATIONS 092100Z TO 101000Z APR
   IN AREA BOUND BY
   50-16-00N 140-28-12E, 50-11-18N 140-47-48E,
   49-37-00N 140-26-42E, 49-28-12N 140-49-00E,
   48-57-18N 141-03-12E, 47-46-06N 140-59-30E,
   45-07-48N 138-15-36E, 43-06-24N 135-22-42E,
   42-33-42N 134-05-00E, 42-30-24N 133-56-30E,
   42-36-30N 133-51-30E, 42-42-36N 133-46-36E,
   42-46-06N 133-55-00E, 43-19-36N 135-09-24E,
   45-18-24N 137-58-24E, 47-51-48N 140-36-06E,
   47-51-12N 140-38-48E, 48-49-42N 140-43-06E,
   49-20-12N 140-32-18E, 49-31-36N 140-01-30E.
2. CANCEL THIS MSG 101100Z 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.
Missile firing
Missile tests or exercises, with the danger area and times during which missiles may be in flight or falling.
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 · missile & rocket hazards

18 within 180 nm since 2010 · 2 in the last 12 months · 0 listed in force now

10
15
20
25
26

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

7 missile & rocket hazards listed in force · see all

Record snapshot 2026-10-02 21:57Z; source collection times vary.

Missiles

Missile firings, rocket launches and space debris re-entry areas. All current missile & rocket hazards →

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.