Surveys

Survey operations in progress until 21 apr by M/V DENAR-2 in area bound by 42-52.90N 031-05.87E, 42-49.11N…

Black Sea · Turkey · HYDROLANT 195/21

issued: 2021-01-21 12:30Z
status: cancelled 2021-04-22 00:01Z (archive)
authority: NAVAREA III 64/21 211300Z JAN 21.
sea: Black Sea
position: 42.368, 31.556
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BLACK SEA.
TURKEY.
DNC 10.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 21 APR
   BY M/V DENAR-2 IN AREA BOUND BY
   42-52.90N 031-05.87E, 42-49.11N 031-06.69E,
   42-48.42N 031-13.77E, 41-52.15N 031-51.41E,
   41-49.18N 031-44.00E, 41-33.95N 032-01.44E,
   41-37.40N 032-08.80E, 41-55.74N 032-00.44E,
   41-53.43N 031-54.62E, 42-48.83N 031-17.38E,
   42-51.07N 031-22.85E, 42-51.15N 031-22.86E,
   42-58.02N 031-33.86E, 43-04.28N 031-44.11E,
   43-08.87N 031-38.25E, 43-02.81N 031-27.95E,
   42-59.99N 031-31.48E, 42-54.15N 031-22.09E,
   42-54.83N 031-21.93E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 22 APR 21.

This area · survey operations

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

Season · when survey operations happen here

month of issue, all years in the archive

Nearby now · within 120 nm

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Pipeline operations in progress until 07 oct 26 by M/V mukavemet, M/V oruc rei̇s, M/V dina polaris, M/V…Cable ops · 10.9 nm
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1- drilling operations by abdulhamid han rig (imo 9705093Surveys · 41.9 nm
Survey operations 01 jan thru 08 sep 26 by M/V karadeniz arastirma, M/V barbaros hayreddin pasa, and M/V…Surveys · 50.7 nm
Drilling operations by fatih platform (imo 9503770Surveys · 82.1 nm
Underwater operations 05 jan 25 thru 31 dec 26 in area bound by 44-04.40N 030-34.13E, 44-02.40N 030-30.50E,…Surveys · 102.4 nm
Object adrift in vicinity 44-00.65N 030-34.50E at 120630Z augDebris · 107.6 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.