Surveys

Underwater operations 11 thru 18 oct by M/V vodolaz within 100 meters of trackline between 45-24.6N…

Sea of Azov · HYDROLANT 2468/14

What this record establishes

Archived notice · 2014-10-19 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 522/14 101858Z OCT 14.. Issued 2014-10-10 22:01Z. 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
Sea of Azov. 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 Sea of Azov →

issued
2014-10-10 22:01Z
status
Archived notice
authority
NAVAREA III 522/14 101858Z OCT 14.
NAVAREA
NAVAREA III · named as the source of this relay
sea
Sea of Azov
position
45.421, 36.692
vessel
M/V VODOLAZ
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

KERCH STRAIT.
DNC 10.
1. UNDERWATER OPERATIONS 11 THRU 18 OCT BY M/V VODOLAZ
   WITHIN 100 METERS OF TRACKLINE BETWEEN
   45-24.6N 036-36.5E AND 45-25.9N 036-46.5E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 19 OCT 14.

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.
Underwater operations
Divers or remotely operated vehicles are working below a vessel that cannot easily move out of the way.
Within a radius of
A circular area — every position within a stated distance of a point.
Track line joining
Introduces a route through a series of positions — a cable route, a tow's track or a survey line.
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 · survey operations

60 within 180 nm since 2002 · 0 in the last 12 months · 0 listed in force now

02
05
10
15
20
21

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

56 survey operations listed in force · see all

Record snapshot 2026-10-03 10:09Z; 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.