Missiles

Missile operations 230001Z to 231000Z, 240001Z to 241400Z and 260500Z to 261400Z apr in area bound by…

Japan Sea · HYDROPAC 1285/24

What this record establishes

Archived notice · 2024-04-26 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 XI 191/24 181626Z APR 24.. Issued 2024-04-19 12:55Z. 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.

Related notices and cancellation links

These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.

  1. HYDROPAC 1276/242024-04-18 · Archived notice
  2. HYDROPAC 1277/242024-04-18 · Archived notice
  3. HYDROPAC 1285/24 · this notice2024-04-19 · Archived notice
Compare all 3 notices, changes and original texts →

Current notices and reporting history in the Japan Sea →

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2024-04-23 00:01Z2024-04-23 10:00Z—9 h 59
2024-04-24 00:01Z2024-04-24 14:00Z—13 h 59
2024-04-26 05:00Z2024-04-26 14:00Z—9 h

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

issued
2024-04-19 12:55Z
status
Archived notice
self-cancels
2024-04-26 15:00Z
authority
NAVAREA XI 191/24 181626Z APR 24.
NAVAREA
NAVAREA XI · named as the source of this relay
sea
Japan Sea
position
42.222, 132.889
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

SEA OF JAPAN.
RUSSIA.
DNC 24.
1. MISSILE OPERATIONS 230001Z TO 231000Z,
   240001Z TO 241400Z AND 260500Z TO 261400Z APR
   IN AREA BOUND BY
   42-20.00N 132-20.00E, 42-20.00N 133-10.00E,
   42-00.00N 133-10.00E.
2. CANCEL HYDROPAC 1277/24.
3. CANCEL THIS MSG 261500Z APR 24.

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.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROPAC
The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
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

171 within 180 nm since 2010 · 5 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

4 missile & rocket hazards listed in force · see all

Record snapshot 2026-10-01 20:04Z; 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.