Exercises
Hazardous operations 0221Z to 0402Z daily 01 thru 05 mar in areas bound by: a. 35-38N 123-28W, 36-23N…
HYDROPAC 149/99
- issued
- 1999-02-24 10:05Z
- status
- cancelled 1999-02-25 00:00Z (archive)
- self-cancels
- 1999-03-05 05:02Z
- sea
- North Pacific Ocean
- position
- 29.333, -124.229
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 0221Z TO 0402Z DAILY 01 THRU 05 MAR IN AREAS BOUND BY: A. 35-38N 123-28W, 36-23N 123-21W, 36-17N 122-32W, 35-33N 122-40W. B. 28-25N 125-07W, 30-27N 124-46W, 30-15N 123-20W, 28-13N 123-42W. C. 19-24N 126-44W, 23-27N 126-05W, 23-15N 124-42W, 19-12N 125-24W. D. 05-53S 130-50W, 00-39S 129-58W, 00-47S 129-10W, 06-01S 130-01W. 2. CANCEL THIS MSG 050502Z MAR.
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-03-01 02:21Z | 1999-03-01 04:02Z | — | 1 h 41 |
| 1999-03-02 02:21Z | 1999-03-02 04:02Z | — | 1 h 41 |
| 1999-03-03 02:21Z | 1999-03-03 04:02Z | — | 1 h 41 |
| 1999-03-04 02:21Z | 1999-03-04 04:02Z | — | 1 h 41 |
| 1999-03-05 02:21Z | 1999-03-05 04:02Z | — | 1 h 41 |
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
41 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
20
23
- Hazardous operations 1237Z to 1448Z daily 25 thru 29 apr in areas bound by: a. 33-41.00N 120-35.00W,…2023-04-21
- Hazardous operations 310500Z to 310630Z aug, alternate 0500Z to 0630Z daily 01 thru 04 sep in areas bound…2022-08-26
- Hazardous operations 270500Z to 270630Z aug, alternate 0500Z to 0630Z daily 28 thru 31 aug in areas bound…2022-08-22
- Hazardous operations 1659Z to 2229Z daily 21 thru 24 jul in areas bound by: a. 33-29.00N 120-39.00W,…2022-07-16
- Hazardous operations 110030Z to 110639Z jul, alternate 0030Z to 0639Z daily 12 thru 15 jul in areas bound…2022-07-06
- Hazardous operations 122000Z to 130100Z jul, alternate 142000Z to 150100Z jul in area bound by 33-14N…2021-07-07
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
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.