Exercises

Hazardous operations 0731Z to 1501Z daily 08 thru 10 mar in area bound by 12-14N 171-22E, 13-12N 172-54E,…

HYDROPAC 375/00

issued
2000-03-04 08:40Z
status
cancelled 2000-03-08 11:15Z (archive)
self-cancels
2000-03-10 16:01Z
cancels
HYDROPAC 352/00
authority
VAFB 45 RANS SCHEDULING CENTER OP #W0600 231745Z FEB 00; VAFB OP #W4608 031530Z MAR 00
sea
North Pacific Ocean
position
12.505, 172.272
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 0731Z TO 1501Z DAILY 08 THRU 10 MAR
   IN AREA BOUND BY 12-14N 171-22E, 13-12N 172-54E,
   12-46N 173-10E, 11-49N 171-39E.
2. CANCEL HYDROPAC 352/00(83).
3. CANCEL THIS MSG 101601Z MAR.

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2000-03-08 07:31Z2000-03-08 15:01Z7 h 30
2000-03-09 07:31Z2000-03-09 15:01Z7 h 30
2000-03-10 07:31Z2000-03-10 15:01Z7 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

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

99
00
05
10
15
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23

Season · when military exercises happen here

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F
M
A
M
J
J
A
S
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N
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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.