Exercises
Hazardous operations: a. 150157Z to 150319Z sep, alternate 160157Z to 160319Z sep in area bound by 25-50.00N…
Eastern North Pacific · NAVAREA XII 631/23
- issued
- 2023-09-14 03:23Z
- status
- cancelled 2023-09-14 15:35Z (archive)
- self-cancels
- 2023-09-16 05:13Z
- authority
- WESTERN RANGE 0/23 140257Z SEP 23.
- sea
- North Pacific Ocean
- position
- 37.555, -143.895
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
EASTERN NORTH PACIFIC.
1. HAZARDOUS OPERATIONS:
A. 150157Z TO 150319Z SEP, ALTERNATE
160157Z TO 160319Z SEP IN AREA BOUND BY
25-50.00N 126-00.00W, 26-00.00N 126-35.00W,
25-28.00N 126-51.00W, 24-59.00N 125-50.00W,
25-31.00N 125-33.00W.
B. 150406Z TO 150413Z SEP, ALTERNATE
160406Z TO 160413Z SEP IN AREA BOUND BY
46-21.00N 143-08.00W, 28-18.00N 147-24.00W,
27-54.00N 146-22.00W, 46-06.00N 141-21.00W.
2. CANCEL THIS MSG 160513Z SEP 23.
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2023-09-15 01:57Z | 2023-09-15 03:19Z | — | 1 h 22 |
| 2023-09-15 04:06Z | 2023-09-15 04:13Z | — | 7 min |
| 2023-09-16 01:57Z | 2023-09-16 03:19Z | — | 1 h 22 |
| 2023-09-16 04:06Z | 2023-09-16 04:13Z | — | 7 min |
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
5 within 180 nm since 1993 · 0 in the last 12 months · 0 in force now
93
95
00
05
10
15
20
23
- Hazardous operations: a. 150157Z to 150318Z sep, alternate 160157Z to 160318Z sep in area bound by 25-50.00N…2023-09-14
- Hazardous operations: a. 150157Z to 150319Z sep, alternate 160157Z to 160319Z sep in areas bound by:…2023-09-14
- Hazardous operations 140130Z to 140900Z jul in areas bound by: a. 35-13N 121-59W, 35-02N 120-46W, 34-45N…1993-07-07
- Hazardous operations 140130Z to 140900Z jul in areas bound by: a. 35-13N 121-59W, 35-02N 120-46W, 34-45N…1993-07-07
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.