Exercises

Hazardous operations 1000Z to 1500Z daily 01 thru 04, 0900Z to 1800Z daily 05 and 06, and 0800Z to 2359Z…

Black Sea · Romania · HYDROLANT 1437/21

issued: 2021-05-28 13:53Z
status: cancelled 2021-06-11 01:00Z (archive)
self-cancels: 2021-06-11 01:00Z
authority: NAVAREA III 487/21 281448Z MAY 21.
sea: Black Sea
position: 44.324, 29.160
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BLACK SEA.
ROMANIA.
DNC 10.
1. HAZARDOUS OPERATIONS 1000Z TO 1500Z DAILY
   01 THRU 04, 0900Z TO 1800Z DAILY
   05 AND 06, AND 0800Z TO 2359Z DAILY
   07 THRU 10 JUN IN AREA BOUND BY
   44-25.4N 028-42.5E, 44-29.5N 028-55.6E,
   44-29.5N 029-31.1E, 44-24.2N 029-31.9E,
   44-09.0N 029-26.7E, 44-04.4N 029-22.3E,
   44-13.5N 028-51.5E, 44-22.1N 028-42.4E.
2. CANCEL THIS MSG 110100Z JUN 21.

Activity windows · 12 in this warning

opens (UTC)	closes (UTC)	local	length
2021-06-01 10:00Z	2021-06-01 15:00Z	—	5 h
2021-06-02 10:00Z	2021-06-02 15:00Z	—	5 h
2021-06-03 10:00Z	2021-06-03 15:00Z	—	5 h
2021-06-04 10:00Z	2021-06-04 15:00Z	—	5 h
2021-06-07 08:00Z	2021-06-07 23:59Z	—	15 h 59
2021-06-07 09:00Z	2021-06-07 18:00Z	—	9 h
2021-06-08 08:00Z	2021-06-08 23:59Z	—	15 h 59
2021-06-08 09:00Z	2021-06-08 18:00Z	—	9 h
… 4 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

1081 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

Nearby now · within 120 nm

Due to the presence of mines, all vessels approaching and departing romanian ports are encouraged to use the…Mines · 5.4 nm
Hazardous operations 0600Z to 1200Z daily 18, 24, 25 and 28 aug and 0600Z to 1400Z daily 19 thru 21, 26 and…Exercises · 12.2 nm
Survey operations in progress until 16 aug by M/V ocean aero in area bound by 44-19.85N 028-47.28E,…Surveys · 14.3 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 · 21.2 nm
Fog signal at constanta outer harbor light 44-08.61N 028-40.37E inoperativeNav aids · 23.6 nm
Object adrift in vicinity 44-00.65N 030-34.50E at 120630Z augDebris · 63.8 nm
Mines reported in area within five miles of 45-07.10N 030-09.70EMines · 64 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 · 68.9 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 · 89.1 nm
The coordinator of coastal alerts of ukraine has declared the following coastal approach instructions for…Other · 104.4 nm
Ukrainian coastal warning coordinator has declared the following coastal aproach instructions for entry or…Other · 104.5 nm
Mining operations in progress until further notice in areas bound by: a. 46-22.50N 030-45.10E, 46-20.20N…Mines · 105.7 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.