Exercises

Hazardous operations 0231Z to 0701Z daily 21 thru 23 aug in areas bound by: a. 34-51N 120-59W, 34-53N…

NAVAREA XII 236/02

issued: 2002-08-17 10:20Z
status: cancelled 2002-08-20 05:50Z (archive)
self-cancels: 2002-08-23 08:01Z
authority: VAFB OP#6330 161615Z AUG 02
sea: North Pacific Ocean
position: 33.892, -133.725
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 0231Z TO 0701Z DAILY 21 THRU 23 AUG
   IN AREAS BOUND BY:
   A. 34-51N 120-59W, 34-53N 120-59W,
      34-54N 120-39W, 34-52N 120-39W.
   B. 34-49N 124-48W, 34-51N 124-12W,
      34-36N 124-11W, 34-34N 124-47W.
   C. 34-40N 127-35W, 34-47N 126-00W,
      34-27N 125-58W, 34-20N 127-33W.
   D. 34-02N 134-40W, 34-15N 132-53W,
      33-45N 132-47W, 33-31N 134-34W.
   E. 31-42N 148-26W, 32-04N 146-53W,
      31-20N 146-39W, 30-58N 148-12W.
2. CANCEL THIS MSG 230801Z AUG.

Activity windows · 3 in this warning

opens (UTC)	closes (UTC)	local	length
2002-08-21 02:31Z	2002-08-21 07:01Z	—	4 h 30
2002-08-22 02:31Z	2002-08-22 07:01Z	—	4 h 30
2002-08-23 02:31Z	2002-08-23 07:01Z	—	4 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

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

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

Hazardous operations 0231Z to 0701Z daily 25 thru 27 aug in areas bound by: a. 34-51N 120-59W, 34-53N…cancelled by · 2002-08-20

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.