Exercises

Gunnery exercises 0400Z to 0900Z daily 14 and 15, 160100Z to 161000Z, 0001Z to 1000Z daily 17 and 18, and…

Yellow Sea · HYDROPAC 1805/18

issued: 2018-05-12 00:08Z
status: cancelled 2018-05-19 11:00Z (archive)
self-cancels: 2018-05-19 11:00Z
authority: NAVAREA XI 234/18 112350Z MAY 18.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

YELLOW SEA.
DNC 23.
1. GUNNERY EXERCISES 0400Z TO 0900Z DAILY
   14 AND 15, 160100Z TO 161000Z, 0001Z TO 1000Z DAILY
   17 AND 18, AND 190400Z TO 191000Z MAY
   IN AREA BETWEEN
   37-25N 37-30N AND 124-43E 124-50E.
2. CANCEL THIS MSG 191100Z MAY 18.

Activity windows · 2 in this warning

opens (UTC)	closes (UTC)	local	length
2018-05-16 01:00Z	2018-05-16 10:00Z	—	9 h
2018-05-19 04:00Z	2018-05-19 10:00Z	—	6 h

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

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

36 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.