Exercises
Hazardous operations 071900Z to 072100Z, 072200Z to 080001Z, 082200Z to 090001Z, 092200Z to 100001Z and…
NAVAREA XII 411/99
- issued
- 1999-12-03 08:30Z
- status
- cancelled 1999-12-10 19:00Z (archive)
- self-cancels
- 1999-12-10 19:00Z
- authority
- FACS FAC SAN DIEGO 022340Z DEC 99
- sea
- North Pacific Ocean
- position
- 30.793, -117.214
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 071900Z TO 072100Z, 072200Z TO 080001Z,
082200Z TO 090001Z, 092200Z TO 100001Z AND 101700Z TO
101800Z DEC IN AREAS:
A. BOUND BY 31-00N 118-25W, 31-00N 117-40W,
30-25N 117-40W, 31-25N 118-25W.
B. BOUND BY 31-10N 117-35W, 31-10N 116-45W,
30-25N 116-15W, 30-25N 117-35W.
C. BETWEEN 29-35N 30-25N AND 116-15W 118-25W.
2. CANCEL THIS MSG 101900Z DEC.
Activity windows · 5 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-12-07 19:00Z | 1999-12-07 21:00Z | — | 2 h |
| 1999-12-07 22:00Z | 1999-12-08 00:01Z | — | 2 h 01 |
| 1999-12-08 22:00Z | 1999-12-09 00:01Z | — | 2 h 01 |
| 1999-12-09 22:00Z | 1999-12-10 00:01Z | — | 2 h 01 |
| 1999-12-10 17:00Z | 1999-12-10 18:00Z | — | 1 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
478 within 180 nm since 1999 · 4 in the last 12 months · 4 in force now
99
00
05
10
15
20
25
26
- Hazardous operations 191500Z to 202300Z aug in area within two miles of 32-35.87N 117-10.87W2026-08-12
- Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…2026-07-23
- Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-52.70N 119-11.96W, 33-08.06N 118-52.09W,…2026-07-23
- Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…2026-07-23
- Hazardous operations 10800Z may to 010800Z jun in area bound by 32-55.00N 118-25.00W, 32-55.00N 118-15.00W,…2024-04-26
- Hazardous operations 010800Z may to 010800Z jun in area bound by 32-52.70N 119-11.97W, 33-08.07N 118-52.08W,…2024-04-26
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
- Hazardous operations, rocket launching: a. 152152Z to 160215Z aug, alternate 162138Z to 170201Z, 172124Z to…Missiles · 64.6 nm
- Coronado island south light 32-23.5N 117-14.5W unlitNav aids · 96 nm
- Hazardous operations 010800Z aug to 010800Z sep in area bound by 32-33.00N 118-25.00W, 32-35.00N 118-16.00W,…Exercises · 97.1 nm
- Hazardous operations 191500Z to 202300Z aug in area within two miles of 32-35.87N 117-10.87WExercises · 108.4 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.