Exercises

Hazardous operations 250406Z to 250932Z aug, alternate 0406Z to 0932Z daily 26 aug thru 30 sep in areas…

HYDROPAC 1360/01

issued
2001-08-20 08:40Z
status
cancelled 2001-08-22 08:15Z (archive)
self-cancels
2001-09-30 10:32Z
authority
NAVAREA XI 553/01 200800Z AUG 01
sea
North Pacific Ocean
position
25.261, 155.832
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 250406Z TO 250932Z AUG,
   ALTERNATE 0406Z TO 0932Z DAILY 26 AUG THRU
   30 SEP IN AREAS BOUND BY:
   A. 30-05N 133-16E, 30-20N 133-18E,
      30-17N 133-52E, 30-02N 133-51E.
   B. 29-22N 137-36E, 30-00N 137-42E,
      29-34N 140-21E, 28-56N 140-15E.
   C. 25-14N 154-00E, 26-47N 154-31E,
      24-08N 162-23E, 22-34N 161-52E.
2. CANCEL THIS MSG 301032Z SEP.

Activity windows · 37 in this warning

opens (UTC)closes (UTC)locallength
2001-08-25 04:06Z2001-08-25 09:32Z5 h 26
2001-08-26 04:06Z2001-08-26 09:32Z5 h 26
2001-08-27 04:06Z2001-08-27 09:32Z5 h 26
2001-08-28 04:06Z2001-08-28 09:32Z5 h 26
2001-08-29 04:06Z2001-08-29 09:32Z5 h 26
2001-08-30 04:06Z2001-08-30 09:32Z5 h 26
2001-08-31 04:06Z2001-08-31 09:32Z5 h 26
2001-09-01 04:06Z2001-09-01 09:32Z5 h 26
29 more

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

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

99
00
05
08

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.