Exercises

Hazardous operations 280400Z to 280900Z sep in area bound by 37-44.92N 124-05.17E, 37-44.92N 124-36.67E,…

Yellow Sea · HYDROPAC 2795/20

issued
2020-09-25 11:59Z
status
cancelled 2020-09-28 10:00Z (archive)
self-cancels
2020-09-28 10:00Z
authority
NAVAREA XI 357/20 251150Z SEP 20.
sea
Yellow Sea
position
37.626, 124.349
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

YELLOW SEA.
DNC 23.
1. HAZARDOUS OPERATIONS 280400Z TO 280900Z SEP
   IN AREA BOUND BY
   37-44.92N 124-05.17E, 37-44.92N 124-36.67E,
   37-30.17N 124-36.67E, 37-30.17N 124-05.17E.
2. CANCEL THIS MSG 281000Z SEP 20.

Activity windows · 1 in the telegram

opens (UTC)closes (UTC)local (UTC)length
2020-09-28 04:00Z2020-09-28 09:00ZSep 28, 04:00Sep 28, 09:005 h

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

This area · military exercises

1356 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now

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05
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21

Season · when military exercises happen here

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M
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month of issue, all years in the archive

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.