Exercises
Hazardous operations 0731Z to 1501Z daily 13 thru 15 nov in areas bound by: a. 34-50N 121-03W, 34-52N…
NAVAREA XII 378/99
- issued
- 1999-11-09 09:30Z
- status
- cancelled 1999-11-13 10:55Z (archive)
- self-cancels
- 1999-11-15 16:01Z
- authority
- VAFB OP #W4420 04175Z NOV 99
- sea
- North Pacific Ocean
- position
- 34.235, -126.136
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 0731Z TO 1501Z DAILY 13 THRU 15 NOV IN AREAS BOUND BY: A. 34-50N 121-03W, 34-52N 121-03W, 34-54N 120-39W, 34-52N 120-39W. B. 34-34N 126-14W, 35-02N 121-59W, 34-31N 121-54W, 34-03N 126-10W. C. 32-57N 136-16W, 33-09N 135-16W, 32-41N 135-09W, 32-29N 136-09W. 2. CANCEL THIS MSG 151601Z NOV.
Activity windows · 3 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-11-13 07:31Z | 1999-11-13 15:01Z | — | 7 h 30 |
| 1999-11-14 07:31Z | 1999-11-14 15:01Z | — | 7 h 30 |
| 1999-11-15 07:31Z | 1999-11-15 15:01Z | — | 7 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
138 within 180 nm since 1999 · 1 in the last 12 months · 0 in force now
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26
- Hazardous operations 190900Z to 192100Z aug, alternate 0900Z to 2100Z daily 20 and 21 aug in areas bound by:…2026-08-17
- Hazardous operations 251400Z to 260030Z apr, alternate 261400Z to 270030Z and 291400Z to 300030Z apr in area…2024-04-23
- Hazardous operations 041200Z to 042030Z nov, alternate 1300Z to 2130Z daily 07 and 13 nov in areas bound by:…2023-10-30
- Hazardous operations 01 and 02 nov: a. 0631Z to 1335Z in area bound by 34-40.00N 121-25.00W, 34-40.00N…2023-10-26
- Hazardous operations 01 and 02 nov: a. 0631Z to 1335Z in area bound by 34-40.00N 121-25.00W, 34-40.00N…2023-10-26
- Hazardous operations daily 06 and 07 sep: a. 0631Z to 1337Z in area bound by 34-38.00N 121-23.00W, 34-38.00N…2023-09-01
Season · when military exercises happen here
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month of issue, all years in the archive
Timeline
- Cancel NAVAREA XII 378/99 and this msg, operations completedcancelled by · 1999-11-13
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.