Exercises

Hazardous operations occur in the Black Sea off Romania on August 18-21 and 24-28, with daily time windows, in a defined area.

Black Sea · HYDROLANT 1562/26

What this record establishes

Cancelled notice · 2026-08-28 19:00Z

This notice disappeared from the issuing source's in-force list. No explicit recovery or all-clear is established by that removal.

Source and dates
NGA MSI in-force warnings (DailyMem*.txt). Issued 2026-08-11 08:47Z. First collected 2026-08-17 13:41Z; last seen in collection 2026-08-28 19:17Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
Black Sea. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.

Current notices and reporting history in the Black Sea →

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2026-08-19 06:00Z2026-08-19 14:00Z—8 h
2026-08-20 06:00Z2026-08-20 14:00Z—8 h
2026-08-21 06:00Z2026-08-21 14:00Z—8 h

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

issued
2026-08-11 08:47Z
status
Cancelled notice
self-cancels
2026-08-28 13:00Z
sea
Black Sea
position
44.368, 28.882
nearest port
Tulcea · 50 nm
source
NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-08-17 13:41Z

Original warning text

BLACK SEA.
ROMANIA.
1. HAZARDOUS OPERATIONS 0600Z TO 1200Z
   DAILY 18, 24, 25 AND 28 AUG AND
   0600Z TO 1400Z DAILY 19 THRU 21, 26
   AND 27 AUG IN AREA BOUND BY
   44-25.43N 028-42.50E, 44-29.50N 028-55.58E,
   44-25.08N 029-01.20E, 44-19.70N 029-00.82E,
   44-14.57N 028-57.93E, 44-13.10N 028-56.33E,
   44-22.08N 028-42.42E.
2. CANCEL THIS MSG 281300Z AUG 26.

Reading this warning

Hazardous operations
NGA's heading for activities that make an area dangerous — most often rocket launches, space debris and weapons firings, and some open-ended danger areas.
Area bound by
Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
Position (degrees and minutes)
How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.
Date-time group (DTG)
A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.

All warning terms →

Collected reports in this area · military exercises

975 within 180 nm since 1999 · 9 in the last 12 months · 1 listed in force now

99
00
05
10
15
20
25
26

Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.

Nearby notices listed in force · within 120 nm

Worldwide in the collected sources

28 military exercises listed in force · see all

Record snapshot 2026-10-01 06:02Z; source collection times vary.

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.