Missiles

Missile and gunnery operations 172100Z to 262100Z apr in area bound by 51-20.0N 159-00.0E, 51-57.0N…

North Pacific Ocean · HYDROPAC 1166/20

What this record establishes

Archived notice · 2020-04-26 22:00Z

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 41/20 130909Z APR 20.. Issued 2020-04-13 09:16Z. 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

These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.

  1. HYDROPAC 1119/202020-04-07 · Archived notice
  2. HYDROPAC 1166/20 · this notice2020-04-13 · Archived notice
  3. HYDROPAC 1167/202020-04-13 · Archived notice
  4. HYDROPAC 1219/202020-04-17 · Archived notice
Compare all 4 notices, changes and original texts →

Current notices and reporting history in the North Pacific Ocean →

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2020-04-17 21:00Z2020-04-26 21:00Z—216 h

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

issued
2020-04-13 09:16Z
status
Archived notice
self-cancels
2020-04-26 22:00Z
authority
NAVAREA XIII 41/20 130909Z APR 20.
NAVAREA
NAVAREA XIII · named as the source of this relay
sea
North Pacific Ocean
position
51.794, 159.615
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
RUSSIA.
DNC 24.
1. MISSILE AND GUNNERY OPERATIONS
   172100Z TO 262100Z APR
   IN AREA BOUND BY
   51-20.0N 159-00.0E, 51-57.0N 159-00.0E,
   52-14.0N 159-11.0E, 52-23.2N 159-43.0E,
   52-12.2N 160-03.5E, 51-55.2N 160-14.0E,
   51-20.0N 160-14.0E.
2. CANCEL THIS MSG 262200Z APR 20.

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.
Missile firing
Missile tests or exercises, with the danger area and times during which missiles may be in flight or falling.
Gunnery and live firing
Naval or coastal guns firing into a sea area for practice, at stated times.
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.
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.

All warning terms →

Collected reports in this area · missile & rocket hazards

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

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

Worldwide in the collected sources

6 missile & rocket hazards listed in force · see all

Record snapshot 2026-10-02 21:13Z; 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.