Exercises
Hazardous operations 312052Z to 312306Z oct, alternate 2052Z to 2306Z daily 01 thru 03 nov in areas bound…
Eastern North Pacific · California · NAVAREA XII 477/17
- issued
- 2017-10-26 05:12Z
- status
- cancelled 2017-10-31 22:21Z (archive)
- self-cancels
- 2017-11-04 00:06Z
- authority
- PACMISRANFAC 192135Z OCT 17.
- sea
- North Pacific Ocean
- position
- 29.617, -122.725
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC.
CALIFORNIA.
1. HAZARDOUS OPERATIONS 312052Z TO 312306Z OCT,
ALTERNATE 2052Z TO 2306Z DAILY 01 THRU 03 NOV
IN AREAS BOUND BY:
A. 32-24N 121-15W, 32-33N 121-44W,
34-07N 121-03W, 34-02N 120-33W.
B. 25-52N 123-03W, 27-19N 124-20W,
32-03N 122-11W, 31-55N 121-37W.
C. 15-11N 125-54W, 15-19N 126-28W,
19-40N 125-24W, 19-32N 124-49W.
2. CANCEL THIS MSG 040006Z NOV 17.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2017-10-31 20:52Z | 2017-10-31 23:06Z | — | 2 h 14 |
| 2017-11-01 20:52Z | 2017-11-01 23:06Z | — | 2 h 14 |
| 2017-11-02 20:52Z | 2017-11-02 23:06Z | — | 2 h 14 |
| 2017-11-03 20:52Z | 2017-11-03 23:06Z | — | 2 h 14 |
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
59 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now
99
00
05
10
15
20
23
- Hazardous operations 041200Z to 042030Z nov, alternate 1300Z to 2130Z daily 07 and 13 nov in areas bound by:…2023-10-30
- Hazardous operations 1218Z to 1411Z daily 19 thru 24 may in areas bound by: a. 34-41.00N 120-41.00W,…2023-05-13
- Hazardous operations 021230Z to 022000Z may, alternate 041230Z to 042000Z may in area bound by 31-55.63N…2023-04-27
- 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: a. 021359Z to 021606Z apr, alternate 1359Z to 1606Z 03 thru 05 apr in area bound by…2023-03-31
- Hazardous operations 031359Z to 031608Z apr, alternate 041359Z to 041608Z apr in areas bound by: a.…2023-03-31
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
- Cancel NAVAREA XII 477/17 and this msg, operations completedcancelled by · 2017-10-31
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.