Surveys

Underwater operations in progress until 13 may by M/V yavuz, M/V orhan bey and M/V muruvvet ilhan in area…

Black Sea · Turkey · HYDROLANT 685/23

issued
2023-03-29 10:48Z
status
cancelled 2023-05-14 00:01Z (archive)
self-cancels
2023-05-14 00:01Z
authority
TURKEY 30/23 290943Z MAR 23.
sea
Black Sea
position
42.834, 31.300
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BLACK SEA.
TURKEY.
DNC 10.
1. UNDERWATER OPERATIONS IN PROGRESS UNTIL 13 MAY
   BY M/V YAVUZ, M/V ORHAN BEY AND M/V MURUVVET ILHAN
   IN AREA BOUND BY
   42-51.07N 031-19.35E, 42-51.03N 031-16.62E,
   42-49.03N 031-16.68E, 42-49.07N 031-19.40E.
   TEN MILE BERTH REQUESTED.
2. CANCEL THIS MSG 140001Z MAY 23.

This area · survey operations

225 within 180 nm since 1999 · 9 in the last 12 months · 8 in force now

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Season · when survey operations happen here

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month of issue, all years in the archive

Nearby now · within 120 nm

Worldwide now

86 survey operations in force · see all

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.