Exercises

Gunnery exercises 0130Z to 0210Z daily 16 and 17 apr in area bound by 24-44.39N 122-18.51E, 23-44.06N…

Philippine Sea · HYDROPAC 1283/19

What this record establishes

Archived notice · 2019-04-16 07:36Z

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 219/19 160114Z APR 19.. Issued 2019-04-16 01:18Z. 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
Philippine 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 Philippine Sea →

issued
2019-04-16 01:18Z
status
Archived notice
self-cancels
2019-04-17 03:10Z
authority
NAVAREA XI 219/19 160114Z APR 19.
NAVAREA
NAVAREA XI · named as the source of this relay
sea
Philippine Sea
position
24.004, 122.151
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

PHILIPPINE SEA.
TAIWAN.
DNC 23.
1. GUNNERY EXERCISES 0130Z TO 0210Z
   DAILY 16 AND 17 APR IN AREA BOUND BY
   24-44.39N 122-18.51E, 23-44.06N 121-47.26E,
   23-40.11N 121-56.21E, 23-32.25N 121-56.21E,
   23-32.25N 122-21.21E, 23-57.25N 122-21.21E,
   24-02.33N 122-09.26E, 24-40.23N 122-28.53E.
2. CANCEL HYDROPAC 1279/19.
3. CANCEL THIS MSG 170310Z APR 19.

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

769 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now

99
00
05
10
15
20
23

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

Worldwide in the collected sources

31 military exercises listed in force · see all

Record snapshot 2026-09-30 06:24Z; 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.