Exercises

Hazardous operations 0932Z to 1103Z daily 28 thru 30 apr in areas bound by: a. 34-29N 120-39W, 34-31N…

NAVAREA XII 110/06

issued: 2006-04-26 10:39Z
status: cancelled 2006-04-30 12:03Z (archive)
self-cancels: 2006-04-30 12:03Z
cancels: NAVAREA XII 109/06
authority: PHONECON VANDENBERG AFB WESTERN RANGE OPS W3720 26 APR 06.
sea: North Pacific Ocean
position: 15.964, -125.391
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 0932Z TO 1103Z DAILY
   28 THRU 30 APR IN AREAS BOUND BY:
   A. 34-29N 120-39W, 34-31N 120-46W,
      34-46N 120-41W, 34-45N 120-34W.
   B. 34-09N 120-58W, 34-25N 120-52W,
      34-22N 120-36W, 34-05N 120-42W.
   C. 13-11N 126-22W, 17-31N 125-26W,
      17-23N 124-45W, 13-03N 125-42W.
2. CANCEL NAVAREA XII 109/06.
3. CANCEL THIS MSG 301203Z APR.

Activity windows · 3 in this warning

opens (UTC)	closes (UTC)	local	length
2006-04-28 09:32Z	2006-04-28 11:03Z	—	1 h 31
2006-04-29 09:32Z	2006-04-29 11:03Z	—	1 h 31
2006-04-30 09:32Z	2006-04-30 11:03Z	—	1 h 31

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

41 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

Hazardous operations 151212Z to 151547Z sep, alternate 1212Z to 1547Z daily 16 thru 18 sep in area bound by…2018-09-10
Hazardous operations2011-06-04
Hazardous operations2010-11-03
Hazardous operations2010-11-03
Hazardous operations2010-10-28
Hazardous operations2010-10-26

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

Hazardous operations 0932Z to 1103Z daily 26 thru 27 apr in areas bound by: a. 34-29N 120-39W, 34-31N…cancels · 2006-04-25
Hazardous operations 0932Z to 1103Z daily 26 thru 27 apr in areas bound by: a. 34-29N 120-39W, 34-31N…replaced · 2006-04-25

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.