Exercises
Hazardous operations
Gulf of Alaska · NAVAREA XII 101/12
- issued
- 2012-04-08 07:56Z
- status
- cancelled 2012-04-10 06:56Z (archive)
- self-cancels
- 2012-04-12 03:00Z
- authority
- COMCOGARD SECTOR JUNEAU 68/12 080125Z APR 12.
- sea
- North Pacific Ocean
- position
- 57.753, -137.560 · r 10.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
GULF OF ALASKA. HAZARDOUS OPERATIONS. 1. GUNNERY AND PYROTECHNICS EXERCISES 102200Z TO 110200Z APR, ALTERNATE 112200Z TO 120200Z APR WITHIN TEN MILES OF 57-45.2N 137-33.6W. 2. CANCEL THIS MSG 120300Z APR.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2012-04-10 22:00Z | 2012-04-11 02:00Z | — | 4 h |
| 2012-04-11 22:00Z | 2012-04-12 02:00Z | — | 4 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
78 within 180 nm since 2006 · 0 in the last 12 months · 0 in force now
06
10
15
20
24
- Gunnery exercises 081800Z to 090001Z may in area within 14 miles of 57-01.04N 136-26.40W2024-05-03
- Gunnery exercises 021800Z to 030000 may in area within 15 miles of 57-01.04N 136-26.40W2024-05-01
- Gunnery exercises 161900Z to 170400Z in area within five miles of 56-55.25N 136-25.00W2024-04-15
- Alaska 1. gunnery exercises 291800Z to 292100Z mar in area within 13 miles of 57-45.1N 137-34.5W2024-03-25
- Gunnery exercises 021800Z to 022100Z nov in area within 13 miles of 57-45.68N 137-34.46W2023-11-01
- Gunnery exercises 012100Z to 020100Z and 021700Z to 022100Z nov in area within 11 miles of 56-55.25N…2023-10-31
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
- Hazardous operationscancelled by · 2012-04-10
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.