Exercises

Hazardous operations 0228Z to 0229Z daily 25 thru 28 oct in areas bound by: a. 34-29N 120-40W, 34-31N…

NAVAREA XII 433/08

issued: 2008-10-20 09:38Z
status: cancelled 2008-10-25 09:16Z (archive)
self-cancels: 2008-10-28 03:29Z
cancels: NAVAREA XII 428/08
authority: WESTERN RANGE OPS W0772 141818Z OCT 08.
position: 16.177, -125.240
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 0228Z TO 0229Z DAILY 25 THRU 28 OCT
   IN AREAS BOUND BY:
   A. 34-29N 120-40W, 34-31N 120-46W,
      34-46N 120-41W, 34-44N 120-34W.
   B. 34-07N 120-58W, 34-26N 120-52W,
      34-22N 120-36W, 34-03N 120-34W.
   C. 13-16N 126-14W, 17-32N 125-20W,
      17-24N 124-40W, 13-08N 125-34W.
2. CANCEL NAVAREA XII 428/08, OPERATIONS COMPLETED.
3. CANCEL THIS MSG 280329Z OCT.

This area · military exercises

50 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 191630Z to 191900Z, 201700Z to 201915Z, 211845Z to 212100Z and 221845Z to 222115Z oct…cancels · 2008-10-14
Hazardous operations 191630Z to 191900Z, 201700Z to 201915Z, 211845Z to 212100Z and 221845Z to 222115Z oct…replaced · 2008-10-14
NAVAREA XII messages in force 250800Z oct 2008cancelled by · 2008-10-25

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.