Exercises

Hazardous operations 1730Z to 0059Z commencing daily 09 thru 11 jan in areas: a. between 34-50N 34-53N and…

North Pacific Ocean · NAVAREA XII 5/04

What this record establishes

Archived notice · 2004-01-12 01:59Z

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) · VAFB OP#W1091 05 JAN 04. Issued 2004-01-05 21:55Z. 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
2004-01-09 17:30Z2004-01-10 00:59Z—7 h 29
2004-01-10 17:30Z2004-01-11 00:59Z—7 h 29
2004-01-11 17:30Z2004-01-12 00:59Z—7 h 29

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

issued
2004-01-05 21:55Z
status
Archived notice
self-cancels
2004-01-12 01:59Z
authority
VAFB OP#W1091 05 JAN 04
NAVAREA
NAVAREA XII
issued by
VAFB
sea
North Pacific Ocean
position
34.158, -132.109
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 1730Z TO 0059Z COMMENCING DAILY
   09 THRU 11 JAN IN AREAS:
   A. BETWEEN 34-50N 34-53N AND 120-36W 121-00W.
   B. BOUND BY 35-07N 135-10W, 35-35N 128-33W,
      34-31N 128-24W, 33-48N 129-56W, 33-27N 134-58W.
   C. BOUND BY 33-31N 143-37W, 33-49N 141-41W,
      33-22N 141-35W, 33-04N 143-31W.
   D. BOUND BY 28-09N 166-22W, 28-48N 164-28W,
      28-00N 164-07W, 27-21N 166-01W.
2. CANCEL THIS MSG 120159Z JAN.

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.
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

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

99
00
05
10
15
20
23

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 2026-10-02 20:52Z; 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.