Exercises
Hazardous operations
North Pacific · Mariana Islands · HYDROPAC 1539/12
- issued
- 2012-06-02 00:36Z
- status
- cancelled 2012-06-08 15:00Z (archive)
- self-cancels
- 2012-06-08 15:00Z
- authority
- COMCOGARD SECTOR GUAM 257/12 012131Z JUN 12.
- sea
- North Pacific Ocean
- position
- 11.743, 144.013
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
NORTH PACIFIC. MARIANA ISLANDS. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS IN PROGRESS UNTIL 021400Z JUN, 2200Z TO 1400Z COMMENCING DAILY 02 THRU 07 JUN IN AREA BOUND BY 13-10N 144-43E, 13-10N 144-30E, 12-45N 144-30E, 11-45N 143-00E, 11-00N 143-00E, 11-00N 144-45E. 2. CANCEL THIS MSG 081500Z JUN.
Activity windows · 6 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2012-06-02 22:00Z | 2012-06-03 14:00Z | — | 16 h |
| 2012-06-03 22:00Z | 2012-06-04 14:00Z | — | 16 h |
| 2012-06-04 22:00Z | 2012-06-05 14:00Z | — | 16 h |
| 2012-06-05 22:00Z | 2012-06-06 14:00Z | — | 16 h |
| 2012-06-06 22:00Z | 2012-06-07 14:00Z | — | 16 h |
| 2012-06-07 22:00Z | 2012-06-08 14:00Z | — | 16 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
902 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.