Exercises

Gunnery exercises 150830Z to 151230Z and 171030Z to 171430Z jul in area bound by 43-01.4N 028-11.4E,…

Black Sea · HYDROLANT 1836/21

What this record establishes

Archived notice · 2021-07-17 15:30Z

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) · NAVAREA III 576/21 121920Z JUL 21.. Issued 2021-07-12 19:21Z. 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 · 2 in this warning

opens (UTC)closes (UTC)locallength
2021-07-15 08:30Z2021-07-15 12:30Z—4 h
2021-07-17 10:30Z2021-07-17 14:30Z—4 h

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

issued
2021-07-12 19:21Z
status
Archived notice
self-cancels
2021-07-17 15:30Z
authority
NAVAREA III 576/21 121920Z JUL 21.
NAVAREA
NAVAREA III · named as the source of this relay
sea
Black Sea
position
42.956, 28.222
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

BLACK SEA.
BULGARIA.
DNC 10.
1. GUNNERY EXERCISES 150830Z TO 151230Z AND
   171030Z TO 171430Z JUL IN AREA BOUND BY
   43-01.4N 028-11.4E, 43-00.0N 028-16.9E,
   42-55.0N 028-16.9E, 42-53.0N 028-10.4E,
   42-59.2N 028-10.0E.
2. CANCEL THIS MSG 171530Z JUL 21.

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.
Gunnery and live firing
Naval or coastal guns firing into a sea area for practice, at stated times.
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

525 within 180 nm since 1999 · 8 in the last 12 months · 0 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 19:48Z; 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.