Exercises

Turkey announces hazardous operations in the Black Sea from 30 September to 2 October, daily 1000Z to 1130Z, in a defined area; message cancels 2 October at 1230Z.

Black Sea · HYDROLANT 1920/26

What this record establishes

Cancelled notice · 2026-09-28 16:45Z

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 2026-09-27 17:55Z. First collected 2026-09-28 19:32Z; last seen in collection 2026-09-29 03:17Z. 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
2026-09-30 10:00Z2026-09-30 11:30Z—1 h 30
2026-10-01 10:00Z2026-10-01 11:30Z—1 h 30
2026-10-02 10:00Z2026-10-02 11:30Z—1 h 30

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

issued
2026-09-27 17:55Z
status
Cancelled notice
self-cancels
2026-10-02 12:30Z
sea
Black Sea
position
42.133, 36.460
source
NGA MSI in-force warnings (DailyMem*.txt) · first seen 2026-09-28 19:32Z

Original warning text

BLACK SEA.
TURKEY.
1. HAZARDOUS OPERATIONS 1000Z TO 1130Z
   DAILY 30 SEP THRU 02 OCT IN AREA BOUND BY
   41-10.77N 040-50.82E, 41-04.83N 040-29.55E,
   42-01.32N 035-13.48E, 42-03.35N 035-10.43E,
   42-06.15N 035-00.88E, 42-06.50N 034-56.10E,
   41-58.57N 034-41.63E, 42-03.78N 033-19.17E,
   42-05.00N 032-16.68E, 42-12.17N 031-44.12E,
   42-47.13N 031-39.30E, 42-47.85N 032-49.68E,
   42-46.83N 034-05.27E, 42-41.00N 037-40.00E,
   41-35.35N 041-01.92E.
2. CANCEL THIS MSG 021230Z OCT 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

709 within 180 nm since 1999 · 2 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

31 military exercises listed in force · see all

Record snapshot 2026-09-29 03:17Z; 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.