Exercises
Hazardous operations
Western North Pacific · HYDROPAC 1520/11
- issued
- 2011-05-21 10:32Z
- status
- cancelled 2011-05-24 04:54Z (archive)
- self-cancels
- 2011-05-30 18:00Z
- authority
- CTF 74 110949Z MAY 11 - CTF 74 171339Z MAY 11.
- sea
- Philippine Sea
- position
- 21.016, 124.763
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH PACIFIC.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS:
A. 262000Z TO 271900Z MAY
IN AREA BOUND BY
22-30N 122-00E, 22-30N 127-00E,
19-00N 127-00E, 20-00N 122-30E.
B. 282100Z TO 291800Z MAY
IN AREA BETWEEN
20-00N 16-00N AND 139-00E 145-00E.
C. 292200Z TO 301700Z MAY
IN AREA BETWEEN
20-00N 16-00N AND 146-00E 151-00E.
2. CANCEL THIS MSG 301800Z MAY.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-05-26 20:00Z | 2011-05-27 19:00Z | — | 23 h |
| 2011-05-28 21:00Z | 2011-05-29 18:00Z | — | 21 h |
| 2011-05-29 22:00Z | 2011-05-30 17:00Z | — | 19 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · military exercises
133 within 180 nm since 2003 · 0 in the last 12 months · 0 in force now
03
05
10
15
20
22
- Hazardous operations 0330Z to 1000Z daily 09 thru 15 dec in areas bound by: a. 23-38.00N 123-22.00E,…2022-12-06
- Gunnery exercise 040400Z to 070400Z aug in area bound by 23-38.00N 123-23.00E, 23-38.00N 122-51.00E,…2022-08-02
- Hazardous operations: a. 092006Z to 092038Z dec in area bound by 23-54-32N 122-54-26E, 23-24-43N 124-26-27E,…2020-12-08
- Gunnery exercises 1130Z to 1220Z daily 01, 08, 15, 22 and 29 may in area bound by 23-15-00N 121-37-00E,…2019-04-26
- Gunnery exercises 2300Z to 0500Z commencing daily 28 feb, 03 thru 07, 10 thru 14, 17 thru 21 and 24 thru 28…2019-02-26
- Gunnery exercises 2300Z to 0500Z commencing daily 31 jan, 10 thru 14, 17 thru 22, 24 thru 26 feb and 0600Z…2019-01-27
Season · when military exercises happen here
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Timeline
- Hazardous operationscancelled by · 2011-05-24
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
35 military exercises in force · see all
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.