Cable ops

Pipeline operations in progress until 212059Z feb 23 by M/V seven pegasus, M/V castorone, M/V simon stevin,…

Black Sea · HYDROLANT 2781/22

What this record establishes

Archived notice · 2023-02-21 21:59Z

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 146/22 012157Z NOV 22.. Issued 2022-11-01 23:55Z. 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 →

issued
2022-11-01 23:55Z
status
Archived notice
self-cancels
2023-02-21 21:59Z
authority
TURKEY 146/22 012157Z NOV 22.
issued by
TURKEY
sea
Black Sea
position
42.219, 31.527
vessels
M/V CASTORONE · 14 messagesM/V SEVEN ARCTICM/V SEVEN OCEANIC · 7 messagesM/V SEVEN PEGASUS · 4 messagesM/V SIMON STEVIN · 2 messages
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. PIPELINE OPERATIONS IN PROGRESS UNTIL
   212059Z FEB 23 BY M/V SEVEN PEGASUS,
   M/V CASTORONE, M/V SIMON STEVIN,
   M/V SEVEN ARCTIC, M/V SEVEN OCEANIC
   AND ISLAND VICTORY IN AREA BOUND BY
   42-52.94N 031-05.84E, 42-54.85N 031-21.97E,
   41-53.53N 031-43.96E, 41-35.47N 032-06.12E,
   41-29.79N 031-54.11E, 41-46.00N 031-34.80E,
   42-49.04N 031-06.67E, 42-52.94N 031-05.84E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MESSAGE 212159Z FEB 23.

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.
Wide berth requested
Keep well clear — or, when a distance is given ("TWO MILE BERTH REQUESTED"), at least that far away.
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 · cable & pipeline work

119 within 180 nm since 1999 · 3 in the last 12 months · 2 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

24 cable & pipeline work listed in force · see all

Record snapshot 2026-10-01 08:08Z; source collection times vary.

Cable ops

Cable laying, pipeline and seismic operations. All current cable & pipeline work →

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.