Exercises

Hazardous operations 0131Z to 0701Z daily 02 thru 04 dec in areas bound by: a. 34-51N 120-57W, 34-53N…

NAVAREA XII 362/01

issued
2001-11-28 11:40Z
status
cancelled 2001-12-02 03:45Z (archive)
self-cancels
2001-12-04 08:01Z
cancels
NAVAREA XII 355/01
authority
VAFB OP W6146
sea
North Pacific Ocean
position
31.583, -147.526
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 0131Z TO 0701Z DAILY 02 THRU 04 DEC
   IN AREAS BOUND BY:
   A. 34-51N 120-57W, 34-53N 120-57W, 34-54N 120-39W, 34-52N 120-39W.
   B. 34-50N 124-56W, 34-51N 124-24W, 34-36N 124-22W, 34-34N 124-55W.
   C. 34-41N 127-51W, 34-47N 126-27W, 34-26N 126-24W, 34-20N 127-48W.
   D. 34-11N 133-41W, 34-22N 132-07W, 33-53N 132-02W, 33-41N 133-36W.
   E. 31-45N 148-26W, 32-08N 146-51W, 31-25N 146-37W, 31-03N 148-13W.
2. CANCEL NAVAREA XII 355/01.
3. CANCEL THIS MSG 040801Z DEC.

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2001-12-02 01:31Z2001-12-02 07:01Z—5 h 30
2001-12-03 01:31Z2001-12-03 07:01Z—5 h 30
2001-12-04 01:31Z2001-12-04 07:01Z—5 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

11 within 180 nm since 2001 · 0 in the last 12 months · 0 in force now

01
05
10
15
17

Season · when military exercises happen here

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F
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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.