Surveys

Underwater operations 19 mar thru 01 apr by M/V derinsu in area bound by 40-25.78N 027-04.65E, 40-31.42N…

Sea of Marmara · HYDROLANT 864/19

issued
2019-03-18 09:02Z
status
cancelled 2019-04-02 00:01Z (archive)
authority
TURKEY 42/19 180856Z MAR 19.
sea
Sea of Marmara
position
40.490, 27.019
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

SEA OF MARMARA.
DNC 09, DNC 10.
1. UNDERWATER OPERATIONS 19 MAR THRU 01 APR
   BY M/V DERINSU IN AREA BOUND BY
   40-25.78N 027-04.65E, 40-31.42N 026-56.87E,
   40-32.77N 026-56.47E, 40-33.25N 026-58.20E,
   40-32.00N 026-58.73E, 40-26.57N 027-06.42E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 02 APR 19.

This area · survey operations

127 within 180 nm since 1999 · 0 in the last 12 months · 0 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

Nothing else in force 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.