Surveys

In the Black Sea, drilling operations by the Yildirim rig occur from 11 August 2026 to 25 September 2026; a 10 nautical mile berth is requested.

Black Sea · NAVAREA III 121/26

What this record establishes

Cancelled notice · 2026-09-13 00:00Z

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
Spanish Navy IHM NAVAREA III (Mediterranean / Black Sea) · Spanish Navy IHM (NAVAREA III coordinator). Issued 2026-08-11 00:00Z. First collected 2026-08-17 14:07Z; last seen in collection 2026-09-13 11:55Z. 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
2026-08-11 00:00Z
status
Cancelled notice
self-cancels
2026-09-25 20:59Z
authority
Spanish Navy IHM (NAVAREA III coordinator)
NAVAREA
NAVAREA III
issued by
SPANISH NAVY IHM
sea
Black Sea
position
42.864, 31.258
nearest port
Sevastopol · 145 nm
source
Spanish Navy IHM NAVAREA III (Mediterranean / Black Sea) · first seen 2026-08-17 14:07Z

Original warning text

BLACK SEA.
1- DRILLING OPERATIONS BY YILDIRIM RIG (IMO 9705469, MMSI 271053959), SUPPORTED BY ERTUGRUL BEY, AYBUKE, FLORYA, MURVET ILHAN, MIHRIMAH, MENDERES, OSMAN BEY AND ORHAN BEY
DAYS 11 AUG 26 TO 25 SEP 26
IN AREA DELIMITED BY:
42 50.83 N - 031 14.13 E
42 50.88 N - 031 16.85 E
42 52.88 N - 031 16.80 E
42 52.83 N - 031 14.07 E
10 NM. WIDE BERTH REQUESTED.
2. CANCEL THIS MESSAGE 252059Z SEP 26.
3.- CANCEL NAVAREA III 0107/26 AND THIS PARAGRAPH.

Reading this warning

Drilling rig / MODU
A mobile offshore drilling unit — jack-up, semi-submersible or drillship — has moved into position, with anchors and a safety zone around it.
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.
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.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
NAVAREA
One of the 21 ocean areas of the World-Wide Navigational Warning Service, each with a coordinator that broadcasts long-range warnings.

All warning terms →

Collected reports in this area · survey operations

230 within 180 nm since 1999 · 13 in the last 12 months · 6 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

55 survey operations listed in force · see all

Record snapshot 2026-09-27 19:53Z; source collection times vary.

Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →

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.