Exercises

Hazardous operations 1339Z to 1523Z daily 13 thru 16 dec in areas bound by: a. 34-28N 120-39W, 34-30N…

NAVAREA XII 583/09

issued: 2009-12-11 10:30Z
status: cancelled 2009-12-11 18:49Z (archive)
self-cancels: 2009-12-16 16:23Z
cancels: NAVAREA XII 577/09
authority: VAFB OP W4818 102118Z DEC 09.
position: 15.809, -125.386
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 1339Z TO 1523Z DAILY
   13 THRU 16 DEC IN AREAS BOUND BY:
   A. 34-28N 120-39W, 34-30N 120-48W,
      34-46N 120-42W, 34-44N 120-33W.
   B. 34-05N 121-02W, 34-24N 120-56W,
      34-19N 120-35W, 33-59N 120-41W.
   C. 12-36N 126-52W, 18-40N 125-40W,
      18-22N 124-02W, 12-18N 125-18W.
2. CANCEL NAVAREA XII 577/09.
3. CANCEL THIS MSG 161623Z DEC.

This area · military exercises

58 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 1339Z to 1523Z daily 11 thru 14 dec in areas bound by: a. 34-28N 120-39W, 34-30N…cancels · 2009-12-07
Hazardous operations 1339Z to 1523Z daily 11 thru 14 dec in areas bound by: a. 34-28N 120-39W, 34-30N…replaced · 2009-12-07
Hazardous operations 1339Z to 1523Z daily 14 thru 17 dec in areas bound by: a. 34-28N 120-39W, 34-30N…cancelled by · 2009-12-11

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.