Exercises
Hazardous operations
North Pacific · Mariana Islands · HYDROPAC 564/10
- issued
- 2010-03-20 21:58Z
- status
- cancelled 2010-03-26 12:30Z (archive)
- self-cancels
- 2010-03-26 12:30Z
- authority
- COMCOGARD SECTOR GUAM 64/10 202059Z MAR 10.
- sea
- North Pacific Ocean
- position
- 16.017, 146.067 · r 10.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH PACIFIC. MARIANA ISLANDS. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 2245Z TO 1130Z COMMMENCING DAILY 21 THRU 25 MAR WITHIN TEN MILES OF 16-01N 146-04E. 2. CANCEL THIS MSG 261230Z MAR.
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2010-03-21 22:45Z | 2010-03-22 11:30Z | — | 12 h 45 |
| 2010-03-22 22:45Z | 2010-03-23 11:30Z | — | 12 h 45 |
| 2010-03-23 22:45Z | 2010-03-24 11:30Z | — | 12 h 45 |
| 2010-03-24 22:45Z | 2010-03-25 11:30Z | — | 12 h 45 |
| 2010-03-25 22:45Z | 2010-03-26 11:30Z | — | 12 h 45 |
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
1446 within 180 nm since 2002 · 3 in the last 12 months · 1 in force now
02
05
10
15
20
25
26
- Hazardous operations 0100Z to 1300Z daily 24 thru 27 aug in areas within three miles of: a. 13-27.00N…2026-08-20
- Hazardous operations 0100Z to 1300Z daily 25 thru 27 aug in areas within three miles of: a. 13-27.00N…2026-08-19
- Hazardous operations 0100Z to 1300Z daily 18 thru 20 aug in areas within three miles of: a. 13-27.00N…2026-08-12
- Hazardous operations 2300Z to 1300Z daily 13 thru 15 may in areas within five miles of: a. 13-26.00N…2024-05-08
- Hazardous operations 2200Z to 0600Z 12 thru 19 may in vicinity 13-24.00N 144-39.15E2024-05-07
- Hazardous operations 082300Z to 091300Z may in areas within five miles of: a. 13-26.00N 145-08.00E2024-05-03
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
Nearby now · 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.