Surveys

Survey operations 10 thru 29 aug by M/V piri reis in areas bound by: a. 41-13.8N 029-08.6E, 41-19.0N…

Sea of Marmara · Black Sea · HYDROLANT 1255/11

issued: 2011-08-09 16:36Z
status: cancelled 2011-08-30 00:01Z (archive)
authority: NAVAREA III 321/11 091154Z AUG 11.
sea: Black Sea
position: 41.431, 29.073
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

SEA OF MARMARA.
BLACK SEA.
1. SURVEY OPERATIONS 10 THRU 29 AUG BY
   M/V PIRI REIS IN AREAS BOUND BY:
   A. 41-13.8N 029-08.6E, 41-19.0N 028-49.3E,
      41-40.3N 028-49.3E, 41-29.2N 029-19.4E,
      41-22.5N 029-19.4E, 41-13.8N 029-11.3E.
   B. 40-56.7N 029-05.8E, 40-49.5N 029-01.6E,
      40-53.3N 028-52.7E, 40-59.5N 028-56.1E,
      40-59.4N 028-59.9E.
   C. 40-28.0N 026-47.1E, 40-33.9N 027-05.1E,
      40-28.7N 027-08.5E, 40-24.6N 026-56.1E,
      40-24.3N 026-49.2E.
      WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 30 AUG.

This area · survey operations

208 within 180 nm since 1999 · 8 in the last 12 months · 7 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Nearby now · within 120 nm

Pipeline operations in progress until 07 oct 26 by M/V mukavemet, M/V oruc rei̇s, M/V dina polaris, M/V…Cable ops · 118.1 nm
Pipeline operations 05 jun thru 07 oct by M/V oruc reis, M/V mukavemet, M/V zaganos pasa, M/V denar…Cable ops · 118.8 nm

Worldwide now

84 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.