Exercises

Hazardous operations 1821Z to 2006Z daily 18 thru 22 oct in areas bound by: a. 34-28N 120-39W, 34-30N…

NAVAREA XII 301/01

issued
2001-10-13 08:51Z
status
cancelled 2001-10-19 04:50Z (archive)
self-cancels
2001-10-22 21:06Z
authority
VAFB OP#W3439 101644Z OCT 01
sea
North Pacific Ocean
position
16.791, -125.287
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 1821Z TO 2006Z DAILY 18 THRU 22 OCT IN
   AREAS BOUND BY:
   A. 34-28N 120-39W, 34-30N 120-48W, 34-46N 120-42W, 34-44N 120-33W.
   B. 34-06N 120-59W, 34-24N 120-53W, 34-20N 120-36W, 34-02N 120-43W.
   C. 13-00N 127-46W, 21-00N 126-06W, 20-22N 122-48W, 12-21N 124-36W.
2. CANCEL THIS MSG 222106Z OCT.

Activity windows · 5 in this warning

opens (UTC)closes (UTC)locallength
2001-10-18 18:21Z2001-10-18 20:06Z1 h 45
2001-10-19 18:21Z2001-10-19 20:06Z1 h 45
2001-10-20 18:21Z2001-10-20 20:06Z1 h 45
2001-10-21 18:21Z2001-10-21 20:06Z1 h 45
2001-10-22 18:21Z2001-10-22 20:06Z1 h 45

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

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

99
00
05
10
11

Season · when military exercises happen here

J
F
M
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.