Exercises

Hazardous operations 0500Z to 1000Z daily 21 and 22, 211100Z to 211630Z, 221200Z to 221630Z apr in area…

Aegean Sea · HYDROLANT 1088/21

issued: 2021-04-20 00:25Z
status: cancelled 2021-04-22 17:30Z (archive)
self-cancels: 2021-04-22 17:30Z
authority: NAVAREA III 410/21 200007Z APR 21.
sea: Aegean Sea
position: 37.083, 23.300
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

AEGEAN SEA.
DNC 09.
1. HAZARDOUS OPERATIONS 0500Z TO 1000Z DAILY
   21 AND 22, 211100Z TO 211630Z, 221200Z TO
   221630Z APR IN AREA BOUND BY
   37-00N 023-00E, 37-00N 023-36E,
   37-10N 023-36E, 37-10N 023-00E.
2. CANCEL THIS MSG 221730Z APR 21.

Activity windows · 2 in the telegram

opens (UTC)	closes (UTC)	local (UTC)	length
2021-04-21 11:00Z	2021-04-21 16:30Z	Apr 21, 11:00 → Apr 21, 16:30	5 h 30
2021-04-22 12:00Z	2021-04-22 16:30Z	Apr 22, 12:00 → Apr 22, 16:30	4 h 30

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

1006 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 · 107.5 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.