Exercises

Hazardous operations 141400Z to 141900Z, 150900Z to 152300Z, 160800Z to 161400Z apr, 0900Z to 2300Z daily 19…

Black Sea · Romania · HYDROLANT 997/21

issued: 2021-04-12 14:05Z
status: cancelled 2021-04-14 13:15Z (archive)
self-cancels: 2021-04-23 17:00Z
authority: NAVAREA III 372/21 121249Z APR 21.
sea: Black Sea
position: 44.368, 28.882
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BLACK SEA.
ROMANIA.
DNC 10.
1. HAZARDOUS OPERATIONS 141400Z TO 141900Z, 150900Z
   TO 152300Z, 160800Z TO 161400Z APR, 0900Z TO 2300Z
   DAILY 19 AND 20, AND 0900Z TO 1600Z DAILY
   21 THRU 23 APR IN AREA BOUND BY
   44-25-26N 028-42-30E, 44-29-30N 028-55-35E,
   44-25-05N 029-01-12E, 44-19-42N 029-00-49E,
   44-14-34N 028-57-56E, 44-13-06N 028-56-20E,
   44-22-05N 028-42-25E.
2. CANCEL THIS MSG 231700Z APR 21.

Activity windows · 9 in this warning

opens (UTC)	closes (UTC)	local	length
2021-04-14 14:00Z	2021-04-14 19:00Z	—	5 h
2021-04-15 09:00Z	2021-04-15 23:00Z	—	14 h
2021-04-16 08:00Z	2021-04-16 14:00Z	—	6 h
2021-04-21 09:00Z	2021-04-21 16:00Z	—	7 h
2021-04-21 09:00Z	2021-04-21 23:00Z	—	14 h
2021-04-22 09:00Z	2021-04-22 16:00Z	—	7 h
2021-04-22 09:00Z	2021-04-22 23:00Z	—	14 h
2021-04-23 09:00Z	2021-04-23 16:00Z	—	7 h
… 1 more

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

965 within 180 nm since 1999 · 1 in the last 12 months · 2 in force now

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

Hazardous operations 141400Z to 141900Z, 150900Z to 152300Z, 160800Z to 161400Z apr, 0900Z to 2300Z daily 19…cancelled by · 2021-04-14

Nearby now · within 120 nm

Hazardous operations 0600Z to 1200Z daily 18, 24, 25 and 28 aug and 0600Z to 1400Z daily 19 thru 21, 26 and…Exercises · 0 nm
Survey operations in progress until 16 aug by M/V ocean aero in area bound by 44-19.85N 028-47.28E,…Surveys · 2.2 nm
Naval operations 0500Z to 1200Z daily 13 thru 15 aug in area bound by 44-12.00N 028-40.00E, 44-12.00N…Other · 13.6 nm
Fog signal at constanta outer harbor light 44-08.61N 028-40.37E inoperativeNav aids · 16.2 nm
Due to the presence of mines, all vessels approaching and departing romanian ports are encouraged to use the…Mines · 16.8 nm
Mines reported in area within five miles of 45-07.10N 030-09.70EMines · 70.8 nm
Object adrift in vicinity 44-00.65N 030-34.50E at 120630Z augDebris · 76 nm
Underwater operations 05 jan 25 thru 31 dec 26 in area bound by 44-04.40N 030-34.13E, 44-02.40N 030-30.50E,…Surveys · 81.1 nm
War risk area, in northwestern part of black sea to northern of line 45-12.2N 029-41.1E 45-11.5N 029-41.4E…Other · 97.5 nm
Ukrainian coastal warning coordinator has declared the following coastal aproach instructions for entry or…Other · 109 nm
Mining operations in progress until further notice in areas bound by: a. 46-22.50N 030-45.10E, 46-20.20N…Mines · 109.2 nm
The coordinator of coastal alerts of ukraine has declared the following coastal approach instructions for…Other · 109.4 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.