Exercises

Hazardous operations 011500Z to 012200Z apr in areas: a. between 30-25N 31-00N and 117-40W 118-25W

NAVAREA XII 94/99

issued
1999-03-27 13:43Z
status
cancelled 1999-04-01 00:00Z (archive)
self-cancels
1999-04-01 23:00Z
sea
North Pacific Ocean
position
30.763, -117.032
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 011500Z TO 012200Z APR IN AREAS:
   A. BETWEEN 30-25N 31-00N AND 117-40W 118-25W.
   B. BETWEEN 29-35N 30-25N AND 116-15W 118-25W.
   C. BOUND BY 31-10N 117-35W, 31-10N 116-45W,
      30-25N 116-15W, 30-25N 117-35W.
2. CANCEL THIS MSG 012300Z APR.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
1999-04-01 15:00Z1999-04-01 22:00Z—7 h

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

481 within 180 nm since 1999 · 4 in the last 12 months · 4 in force now

99
00
05
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25
26

Season · when military exercises happen here

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F
M
A
M
J
J
A
S
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month of issue, all years in the archive

Nearby now · 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.