Exercises
Hazardous operations 0300Z to 0830Z daily 21 thru 23 mar in areas bound by: a. 34-55N 120-56W, 34-56N…
HYDROPAC 491/07
- issued
- 2007-03-16 11:29Z
- status
- cancelled 2007-03-23 09:30Z (archive)
- self-cancels
- 2007-03-23 09:30Z
- authority
- VANDERBERG WESTERN RANGE OPS W0725 091802Z MAR 07.
- sea
- North Pacific Ocean
- position
- 24.133, 161.024
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 0300Z TO 0830Z DAILY
21 THRU 23 MAR IN AREAS BOUND BY:
A. 34-55N 120-56W, 34-56N 120-56W,
34-54N 120-38W, 34-52N 120-38W.
B. 35-36N 125-08W, 35-31N 124-16W,
35-12N 124-19W, 35-18N 125-12W.
C. 35-57N 128-01W, 35-49N 126-36W,
35-25N 126-39W, 35-32N 128-05W.
D. 36-24N 133-08W, 36-19N 131-42W,
35-46N 131-45W, 35-51N 133-11W.
E. 36-28N 149-41W, 36-35N 148-00W,
35-45N 147-55W, 35-37N 149-35W.
F. 23-34N 159-00E, 23-48N 158-52E,
24-28N 158-51E, 24-48N 159-03E,
25-14N 160-00E, 25-30N 161-10E,
24-42N 163-13E, 23-41N 163-10E,
23-34N 163-00E, 23-29N 162-50E,
23-11N 161-49E, 23-08N 161-39E,
23-08N 161-27E, 23-03N 160-21E.
2. CANCEL THIS MSG 230930Z MAR.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2007-03-21 03:00Z | 2007-03-21 08:30Z | — | 5 h 30 |
| 2007-03-22 03:00Z | 2007-03-22 08:30Z | — | 5 h 30 |
| 2007-03-23 03:00Z | 2007-03-23 08:30Z | — | 5 h 30 |
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
14 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now
00
05
10
14
- Hazardous operations2014-12-23
- Hazardous operations 0300Z to 0830Z daily 21 thru 23 mar in area bound by 23-34N 159-00E, 23-48N 158-52E,…2007-03-17
- Hazardous operations 0300Z to 0830Z daily 21 thru 23 mar in areas bound by: a. 34-55N 120-56W, 34-56N…2007-03-16
- Hazardous operations 180632Z to 180644Z dec, alternate 0607Z to 0753Z daily 19 dec thru 28 feb 07 in areas…2006-12-16
- Hazardous operations 160639Z to 160717Z dec, alternate 0607Z to 0753Z daily 17 dec thru 28 feb 07 in areas…2006-12-11
- Hazardous operations 2000Z to 2100Z daily 08 thru 11 nov in ellipse shaped area centered in 24-23N 161-46E2006-11-04
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
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.