Exercises
Hazardous operations
North Pacific · Mariana Islands · HYDROPAC 2441/12
- issued
- 2012-08-26 07:50Z
- status
- cancelled 2012-08-31 14:59Z (archive)
- self-cancels
- 2012-08-31 14:59Z
- authority
- COMCOGARD SECTOR GUAM 391/12 260651Z AUG 12.
- 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 1430Z TO 1359Z COMMENCING DAILY 26 THRU 30 AUG WITHIN TEN MILES OF 16-01N 146-04E. 2. CANCEL THIS MSG 311459Z AUG 12.
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2012-08-26 14:30Z | 2012-08-27 13:59Z | — | 23 h 29 |
| 2012-08-27 14:30Z | 2012-08-28 13:59Z | — | 23 h 29 |
| 2012-08-28 14:30Z | 2012-08-29 13:59Z | — | 23 h 29 |
| 2012-08-29 14:30Z | 2012-08-30 13:59Z | — | 23 h 29 |
| 2012-08-30 14:30Z | 2012-08-31 13:59Z | — | 23 h 29 |
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.