Cable ops

Seismic survey by M/V afalina and M/V seliger: a. 04 thru 15 jul in area bound by 44-21.4N 033-43.0E,…

Black Sea · HYDROLANT 1672/16

What this record establishes

Archived notice · 2016-08-16 00:01Z

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 393/16 022357Z JUL 16.. Issued 2016-07-03 00:19Z. 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
2016-07-03 00:19Z
status
Archived notice
authority
NAVAREA III 393/16 022357Z JUL 16.
NAVAREA
NAVAREA III · named as the source of this relay
sea
Black Sea
position
44.271, 34.228
vessels
M/V AFALINAM/V SELIGER
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

BLACK SEA.
UKRAINE.
DNC 10.
1. SEISMIC SURVEY BY M/V AFALINA AND M/V SELIGER:
   A. 04 THRU 15 JUL IN AREA BOUND BY
      44-21.4N 033-43.0E, 44-21.4N 033-45.8E,
      44-19.4N 033-45.8E, 44-19.4N 033-43.0E.
   B. 04 JUL THRU 15 AUG IN AREA BOUND BY
      44-30.5N 034-19.5E, 44-34.0N 034-29.0E,
      44-23.0N 034-35.0E, 44-19.5N 034-25.5E.
   C. 04 JUL THRU 15 AUG IN AREA BOUND BY
      44-22.5N 034-07.0E, 44-17.5N 034-24.5E,
      44-10.5N 034-20.0E, 44-15.0N 034-03.0E.
   TWO MILE BERTH REQUESTED.
2. CANCEL THIS MSG 16 AUG 16.

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.
Seismic survey
A survey that maps the rock beneath the seabed with sound pulses from air guns, recorded on streamers kilometres long.
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

74 within 180 nm since 1999 · 2 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

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

23 cable & pipeline work listed in force · see all

Record snapshot 2026-09-24 23:20Z; 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.