Exercises

Hazardous operations 172100Z to 222100Z feb in area between 41-40N 42-15N and 131-41E 132-49E

Sea of Japan · Russia · HYDROPAC 596/18

issued
2018-02-13 00:29Z
status
cancelled 2018-02-22 22:00Z (archive)
self-cancels
2018-02-22 22:00Z
cancels
HYDROPAC 588/18
authority
NAVAREA XI 86/18 122337Z FEB 18.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SEA OF JAPAN.
RUSSIA.
DNC 23, DNC 24.
1. HAZARDOUS OPERATIONS 172100Z TO 222100Z FEB
   IN AREA BETWEEN
   41-40N 42-15N AND 131-41E 132-49E.
2. CANCEL HYDROPAC 588/18.
3. CANCEL THIS MSG 222200Z FEB 18.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2018-02-17 21:00Z2018-02-22 21:00Z120 h

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

Timeline

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

35 military exercises in force · see all

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.