Exercises

Hazardous operations 0800Z to 1200Z daily 10 thru 13 oct: a. in area bound by 47-36N 151-21E, 47-54N…

Sea of Okhotsk · HYDROPAC 1872/02

What this record establishes

Archived notice · 2002-10-13 13:00Z

This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.

Source and dates
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · NAVAREA XIII 28/02 070914Z OCT; MENAS BAHRAIN 122/02 07 OCT 02. Issued 2002-10-07 11:10Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
Sea of Okhotsk. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.

Related notices and cancellation links

Current notices and reporting history in the Sea of Okhotsk →

Activity windows · 4 in this warning

opens (UTC)closes (UTC)locallength
2002-10-10 08:00Z2002-10-10 12:00Z—4 h
2002-10-11 08:00Z2002-10-11 12:00Z—4 h
2002-10-12 08:00Z2002-10-12 12:00Z—4 h
2002-10-13 08:00Z2002-10-13 12:00Z—4 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

issued
2002-10-07 11:10Z
status
Archived notice
self-cancels
2002-10-13 13:00Z
authority
NAVAREA XIII 28/02 070914Z OCT; MENAS BAHRAIN 122/02 07 OCT 02
NAVAREA
NAVAREA XIII · named as the source of this relay
sea
Sea of Okhotsk
position
57.194, 140.550
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 0800Z TO 1200Z DAILY 10 THRU 13 OCT:
   A. IN AREA BOUND BY 47-36N 151-21E, 47-54N 151-06E,
      48-06N 151-40E, 47-52N 151-58E.
   B. WITHIN 43 MILES OF 52-49N 146-17E.
   C. WITHIN 49 MILES OF 57-09N 140-33E.
2. CANCEL HYDROPAC 1864/02(62), AID RESTORED.
3. CANCEL THIS MSG 131300Z OCT.

Reading this warning

Hazardous operations
NGA's heading for activities that make an area dangerous — most often rocket launches, space debris and weapons firings, and some open-ended danger areas.
Area bound by
Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
Position (degrees and minutes)
How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
Within a radius of
A circular area — every position within a stated distance of a point.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROPAC
The U.S. long-range warning series for the Pacific outside NAVAREA XII and for the Indian Ocean, Persian Gulf and adjoining seas.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.
Date-time group (DTG)
A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.

All warning terms →

Collected reports in this area · military exercises

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

99
00
05
10
11

Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.

Nearby notices listed in force · within 120 nm

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

9 military exercises listed in force · see all

Record snapshot 2026-10-04 02:36Z; source collection times vary.

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.