Missiles

Hazardous operations 2200Z to 0300Z commencing daily 09 thru 21 dec in areas bound by: a. 35-44-06N…

Eastern China Sea · HYDROPAC 3423/12

What this record establishes

Archived notice · 2012-12-10 14:38Z

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 808/12 031247Z DEC 12.. Issued 2012-12-03 14:10Z. 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
Eastern China 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 3423/12 · this notice2012-12-03 · Archived notice
  2. HYDROPAC 3512/122012-12-10 · Archived notice
  3. HYDROPAC 3536/122012-12-12 · Archived notice
Compare all 3 notices, changes and original texts →

Current notices and reporting history in the Eastern China Sea →

Activity windows · 13 in this warning

opens (UTC)closes (UTC)locallength
2012-12-09 22:00Z2012-12-10 03:00Z—5 h
2012-12-10 22:00Z2012-12-11 03:00Z—5 h
2012-12-11 22:00Z2012-12-12 03:00Z—5 h
2012-12-12 22:00Z2012-12-13 03:00Z—5 h
2012-12-13 22:00Z2012-12-14 03:00Z—5 h
2012-12-14 22:00Z2012-12-15 03:00Z—5 h
2012-12-15 22:00Z2012-12-16 03:00Z—5 h
2012-12-16 22:00Z2012-12-17 03:00Z—5 h
… 5 more

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

issued
2012-12-03 14:10Z
status
Archived notice
self-cancels
2012-12-22 04:00Z
authority
NAVAREA XI 808/12 031247Z DEC 12.
NAVAREA
NAVAREA XI · named as the source of this relay
sea
Eastern China Sea
position
33.035, 124.665
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

YELLOW SEA.
EAST CHINA SEA.
PHILIPPINE SEA.
ROCKETS.
1. HAZARDOUS OPERATIONS 2200Z TO 0300Z COMMENCING DAILY
   09 THRU 21 DEC IN AREAS BOUND BY:
   A. 35-44-06N 124-30-30E, 35-44-07N 124-54-23E
      34-58-43N 124-56-11E, 34-58-36N 124-32-32E.
   B. 33-40-06N 124-07-47E, 33-39-51N 125-12-29E
      32-24-07N 125-11-37E, 32-24-22N 124-07-50E.
   C. 18-13-44N 123-48-37E, 18-12-54N 124-45-20E
      15-30-17N 124-42-19E, 15-31-07N 123-46-24E.
2. CANCEL THIS MSG 220400Z DEC 12.

Reading this warning

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 · missile & rocket hazards

7 within 180 nm since 2012 · 0 in the last 12 months · 0 listed in force now

12
15
19

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 2026-10-02 05:23Z; 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.