Exercises

Hazardous operations 111801Z to 112044Z may, alternate 121731Z to 122014Z and 131700Z to 131947Z may in area…

NAVAREA XII 217/09

issued: 2009-05-06 10:01Z
status: cancelled 2009-05-13 20:47Z (archive)
self-cancels: 2009-05-13 20:47Z
authority: EASTERN RANGE OP K0125 011844Z MAY 09.
sea: North Pacific Ocean
position: 18.112, -145.808
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 111801Z TO 112044Z MAY, ALTERNATE
   121731Z TO 122014Z AND 131700Z TO 131947Z MAY
   IN AREA BOUND BY
   26-45N 128-03W, 25-44N 127-48W, 21-59N 127-28W,
   20-53N 130-45W, 19-25N 134-47W, 17-32N 139-29W,
   15-18N 144-34W, 13-34N 148-15W, 12-00N 151-24W,
   09-58N 155-21W, 07-56N 159-04W, 08-45N 159-30W,
   15-14N 162-18W, 17-13N 158-02W, 19-23N 152-59W,
   20-50N 149-07W, 22-11N 145-28W, 23-26N 141-26W,
   24-45N 136-58W, 25-53N 132-20W.
2. CANCEL THIS MSG 132047Z MAY.

Activity windows · 3 in this warning

opens (UTC)	closes (UTC)	local	length
2009-05-11 18:01Z	2009-05-11 20:44Z	—	2 h 43
2009-05-12 17:31Z	2009-05-12 20:14Z	—	2 h 43
2009-05-13 17:00Z	2009-05-13 19:47Z	—	2 h 47

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

3 within 180 nm since 2002 · 0 in the last 12 months · 0 in force now

Season · when military exercises happen here

month of issue, all years in the archive

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.