Exercises

Hazardous operations 231300Z to 240400Z, 241300Z to 250400Z, 251300Z to 251700Z feb in area bound by 37-47N…

Aegean Sea · HYDROLANT 493/21

issued: 2021-02-20 16:17Z
status: cancelled 2021-02-25 18:00Z (archive)
self-cancels: 2021-02-25 18:00Z
authority: NAVAREA III 155/21 201617Z FEB 21.
sea: Aegean Sea
position: 37.802, 23.361
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

AEGEAN SEA.
DNC 09.
1. HAZARDOUS OPERATIONS 231300Z TO 240400Z,
   241300Z TO 250400Z, 251300Z TO 251700Z FEB
   IN AREA BOUND BY
   37-47N 023-17E, 37-52N 023-22E,
   37-50N 023-26E, 37-44N 023-22E.
2. CANCEL THIS MSG 251800Z FEB 21.

Activity windows · 3 in the telegram

opens (UTC)	closes (UTC)	local (UTC)	length
2021-02-23 13:00Z	2021-02-24 04:00Z	Feb 23, 13:00 → Feb 24, 04:00	15 h
2021-02-24 13:00Z	2021-02-25 04:00Z	Feb 24, 13:00 → Feb 25, 04:00	15 h
2021-02-25 13:00Z	2021-02-25 17:00Z	Feb 25, 13:00 → Feb 25, 17:00	4 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

1124 within 180 nm since 1998 · 2 in the last 12 months · 2 in force now

Season · when military exercises happen here

month of issue, all years in the archive

Nearby now · within 120 nm

Hazardous operations sunrise to sunset daily until 14 jun and 16 sep thru 31 dec in area bound by 38-16.00N…Exercises · 92.6 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.