Exercises

Gunnery exercises 0400Z to 0900Z daily 16 and 19 thru 21, 170001Z to 170900Z and 180001Z to 180800Z apr in…

Yellow Sea · HYDROPAC 1429/18

issued: 2018-04-13 13:07Z
status: cancelled 2018-04-21 10:00Z (archive)
self-cancels: 2018-04-21 10:00Z
authority: NAVAREA XI 184/18 131151Z APR 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
   16 AND 19 THRU 21, 170001Z TO 170900Z AND
   180001Z TO 180800Z APR IN AREA BETWEEN
   37-25N 37-30N AND 124-43E 124-50E.
2. CANCEL THIS MSG 211000Z APR 18.

Activity windows · 2 in this warning

opens (UTC)	closes (UTC)	local	length
2018-04-17 00:01Z	2018-04-17 09:00Z	—	8 h 59
2018-04-18 00:01Z	2018-04-18 08:00Z	—	7 h 59

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

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.