Exercises

Hazardous operations 102101Z to 162130Z mar in area bound by 42-38.02N 037-46.57E, 42-40.35N 037-40.37E,…

Black Sea · HYDROLANT 470/24

What this record establishes

Archived notice · 2024-03-16 22:30Z

This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.

Source and dates: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · TURKEY 16/24 070740Z MAR 24.. Issued 2024-03-07 10:20Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. 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 · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2024-03-10 21:01Z	2024-03-16 21:30Z	—	144 h 29

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

issued: 2024-03-07 10:20Z
status: Archived notice
self-cancels: 2024-03-16 22:30Z
authority: TURKEY 16/24 070740Z MAR 24.
issued by: TURKEY
sea: Black Sea
position: 42.097, 36.663
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

BLACK SEA.
TURKEY.
DNC 10.
1. HAZARDOUS OPERATIONS 102101Z TO 162130Z MAR
   IN AREA BOUND BY
   42-38.02N 037-46.57E, 42-40.35N 037-40.37E,
   42-35.00N 036-49.50E, 42-20.03N 035-45.45E,
   42-15.77N 035-11.78E, 42-01.05N 035-10.35E,
   41-49.47N 035-13.65E, 41-40.12N 035-31.07E,
   41-45.83N 035-57.70E, 41-42.55N 036-21.80E,
   41-31.75N 037-30.90E, 41-50.28N 037-35.28E,
   41-54.07N 037-53.72E.
2. CANCEL THIS MSG 162230Z MAR 24.

Reading this warning

DNC (Digital Nautical Chart): A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
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.
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.
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.

All warning terms →

Collected reports in this area · military exercises

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

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

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

Hazardous operations 1000Z to 1130Z daily 30 sep thru 02 oct in area bound by 41-10.77N 040-50.82E,…Exercises · 9.3 nm

Worldwide in the collected sources

30 military exercises listed in force · see all

Record snapshot 2026-09-25 23:38Z; 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.