Missiles

Hazardous operations, rocket launching 252100Z to 261100Z aug, alternate 241200Z to 251100Z and 261200Z to…

North Pacific Ocean · HYDROPAC 2283/22

What this record establishes

Archived notice · 2022-08-27 12:00Z

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 XI 262/22 200701Z AUG 22.. Issued 2022-08-20 07:57Z. 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 parsed report position is 31.237, 144.447 with a 25.0 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Related notices and cancellation links

These messages are connected by recorded cancellation references. The links establish relationships between notices; they do not by themselves confirm a single object, a continuous track, or recovery.

  1. HYDROPAC 2247/222022-08-15 · Archived notice
  2. HYDROPAC 2248/222022-08-15 · Archived notice
  3. HYDROPAC 2249/222022-08-15 · Archived notice
  4. HYDROPAC 2250/222022-08-15 · Archived notice
  5. HYDROPAC 2283/22 · this notice2022-08-20 · Archived notice
Compare all 5 notices, changes and original texts →

Current notices and reporting history in the North Pacific Ocean →

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2022-08-24 12:00Z2022-08-25 11:00Z—23 h
2022-08-25 21:00Z2022-08-26 11:00Z—14 h
2022-08-26 12:00Z2022-08-27 11:00Z—23 h

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

issued
2022-08-20 07:57Z
status
Archived notice
self-cancels
2022-08-27 12:00Z
authority
NAVAREA XI 262/22 200701Z AUG 22.
NAVAREA
NAVAREA XI · named as the source of this relay
sea
North Pacific Ocean
position
31.237, 144.447 · r 25.0 nm
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
DNC 12.
1. HAZARDOUS OPERATIONS, ROCKET LAUNCHING
   252100Z TO 261100Z AUG, ALTERNATE
   241200Z TO 251100Z AND 261200Z TO 271100Z AUG
   WITHIN 25 MILES OF 31-14.23N 144-26.80E.
2. CANCEL HYDROPAC 2247/22, 2248/22, 2249/22, 2250/22.
3. CANCEL THIS MSG 271200Z AUG 22.

Reading this warning

DNC (Digital Nautical Chart)
A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
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.
Rocket launching
The areas where spent rocket stages, boosters and fairings are expected to fall after a launch, with the launch window.
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.
Within a radius of
A circular area — every position within a stated distance of a point.
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.
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.

All warning terms →

Collected reports in this area · missile & rocket hazards

33 within 180 nm since 2010 · 4 in the last 12 months · 0 listed in force now

10
15
20
25
26

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

4 missile & rocket hazards listed in force · see all

Record snapshot 2026-10-01 19:36Z; source collection times vary.

Missiles

Missile firings, rocket launches and space debris re-entry areas. All current missile & rocket hazards →

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.