Other

Hazardous operation 240500Z to 241500Z, 0500Z to 1500Z and 1800Z to 2100Z daily 25 thru 27 jun in area…

Black Sea · HYDROLANT 1852/19

What this record establishes

Archived notice · 2019-06-27 22:00Z

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 685/19 201148Z JUN 19.. Issued 2019-06-20 14:22Z. 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 · 7 in this warning

opens (UTC)closes (UTC)locallength
2019-06-24 05:00Z2019-06-24 15:00Z—10 h
2019-06-25 05:00Z2019-06-25 15:00Z—10 h
2019-06-25 18:00Z2019-06-25 21:00Z—3 h
2019-06-26 05:00Z2019-06-26 15:00Z—10 h
2019-06-26 18:00Z2019-06-26 21:00Z—3 h
2019-06-27 05:00Z2019-06-27 15:00Z—10 h
2019-06-27 18:00Z2019-06-27 21:00Z—3 h

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

issued
2019-06-20 14:22Z
status
Archived notice
self-cancels
2019-06-27 22:00Z
authority
NAVAREA III 685/19 201148Z JUN 19.
NAVAREA
NAVAREA III · named as the source of this relay
sea
Black Sea
position
43.907, 28.632
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

BLACK SEA.
ROMANIAN.
DNC 10.
1. HAZARDOUS OPERATION 240500Z TO 241500Z,
   0500Z TO 1500Z AND 1800Z TO 2100Z DAILY
   25 THRU 27 JUN IN AREA BOUNDED BY
   43-54.6N 028-37.4E, 43-54.6N 028-38.4E,
   43-54.2N 028-38.4E, 43-54.2N 028-37.4E.
2. CANCEL THIS MSG 272200Z JUN 19.

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.
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 · other warnings

49 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

21 other warnings listed in force · see all

Record snapshot 2026-10-03 04:02Z; source collection times vary.

Other

Everything the classifier did not place elsewhere. All current other warnings →

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.