Exercises

Hazardous operations 0200Z to 0830Z daily 16 thru 18 mar in area bound by 08-51N 166-30E, 08-43N 167-43E,…

North Pacific Ocean · HYDROPAC 440/02

What this record establishes

Archived notice · 2002-03-16 07:16Z

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) · USAKA KWAZALEIN OP# K5000 090128Z MAR 02. Issued 2002-03-11 10:40Z. 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
North Pacific Ocean. 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 North Pacific Ocean →

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2002-03-16 02:00Z2002-03-16 08:30Z—6 h 30
2002-03-17 02:00Z2002-03-17 08:30Z—6 h 30
2002-03-18 02:00Z2002-03-18 08:30Z—6 h 30

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

issued
2002-03-11 10:40Z
status
Archived notice
self-cancels
2002-03-18 09:30Z
authority
USAKA KWAZALEIN OP# K5000 090128Z MAR 02
issued by
USAKA KWAZALEIN OP#
sea
North Pacific Ocean
position
8.472, 167.028
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 0200Z TO 0830Z DAILY
   16 THRU 18 MAR IN AREA BOUND BY 08-51N 166-30E,
   08-43N 167-43E, 07-51N 166-52E.
2. CANCEL THIS MSG 180930Z MAR.

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.
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

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

99
00
05
10
15
20
25

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 2026-10-03 12:06Z; 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.