Exercises

Gunnery exercises 0001Z to 0800Z daily 03 thru 07 dec in area between 36-05N 36-35N and 124-50E 125-42E

Yellow Sea · Gunnery · HYDROPAC 3383/12

What this record establishes

Archived notice · 2012-12-07 09:00Z

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 794/12 291148Z NOV 12 - NAVAREA XI 793/12 291148Z NOV 12.. Issued 2012-11-29 12:31Z. 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
Yellow Sea · Gunnery. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.

Activity windows · 5 in this warning

opens (UTC)closes (UTC)locallength
2012-12-03 00:01Z2012-12-03 08:00Z—7 h 59
2012-12-04 00:01Z2012-12-04 08:00Z—7 h 59
2012-12-05 00:01Z2012-12-05 08:00Z—7 h 59
2012-12-06 00:01Z2012-12-06 08:00Z—7 h 59
2012-12-07 00:01Z2012-12-07 08:00Z—7 h 59

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

issued
2012-11-29 12:31Z
status
Archived notice
self-cancels
2012-12-07 09:00Z
authority
NAVAREA XI 794/12 291148Z NOV 12 - NAVAREA XI 793/12 291148Z NOV 12.
NAVAREA
NAVAREA XI · named as the source of this relay
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

YELLOW SEA.
GUNNERY.
1. GUNNERY EXERCISES 0001Z TO 0800Z DAILY
   03 THRU 07 DEC IN AREA BETWEEN
   36-05N 36-35N AND 124-50E 125-42E.
2. CANCEL HYDROPAC 3297/12(94,95,97),
   OPERATIONS COMPLETED.
3. CANCEL THIS MSG 070900Z DEC 12.

Reading this warning

Gunnery and live firing
Naval or coastal guns firing into a sea area for practice, at stated times.
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.
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 →

Nearby notices listed in force · within 120 nm

No parsed position is available for this comparison.

Worldwide in the collected sources

9 military exercises listed in force · see all

Record snapshot 2026-10-03 01:25Z; source collection times vary.

Exercises

Gunnery, firing and naval exercise areas. All current military exercises →

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.