Exercises

Gunnery exercises 2300Z to 1000Z commencing daily 17, 18 and 22 thru 25 mar in area between 43-47-07N…

North Pacific · Hokkaido · Gunnery · HYDROPAC 527/10

What this record establishes

Archived notice · 2010-03-18 11:11Z

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 165/10 170815Z MAR 10.. Issued 2010-03-17 09:26Z. 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 · Hokkaido · Gunnery. No usable coordinates were parsed; a location-based nearby search is unavailable. Check the original wording for limits and qualifications.
issued
2010-03-17 09:26Z
status
Archived notice
self-cancels
2010-03-26 11:00Z
authority
NAVAREA XI 165/10 170815Z MAR 10.
NAVAREA
NAVAREA XI · named as the source of this relay
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

NORTH PACIFIC.
HOKKAIDO.
GUNNERY.
1. GUNNERY EXERCISES 2300Z TO 1000Z
   COMMENCING DAILY 17, 18 AND
   22 THRU 25 MAR IN AREA BETWEEN
   43-47-07N 43-48-45N AND 145-33-45E 145-41-54E.
2. CANCEL THIS MSG 261100Z MAR.

Reading this warning

Gunnery and live firing
Naval or coastal guns firing into a sea area for practice, at stated times.
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 →

Nearby notices listed in force · within 120 nm

No parsed position is available for this comparison.

Worldwide in the collected sources

9 military exercises listed in force · see all

Record snapshot 2026-10-03 21:48Z; 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.