Surveys

Survey operations in progress until 23 jul by M/V tethys II in areas bound by: a. 39-46.44N 024-18-80E,…

Aegean Sea · HYDROLANT 2257/17

issued
2017-07-20 13:03Z
status
cancelled 2017-07-24 00:01Z (archive)
cancels
HYDROLANT 2221/17
authority
NAVAREA III 468/17 201221Z JUL 17.
sea
Aegean Sea
position
39.093, 24.848
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

AEGEAN SEA.
DNC 09.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 23 JUL BY
   M/V TETHYS II IN AREAS BOUND BY:
   A. 39-46.44N 024-18-80E, 39-50.17N 024-33.69E,
      39-59.47N 024-41.50E, 40-15.66N 024-39.83E,
      40-11.75N 024-27.17E.
   B. 39-18.53N 024-44.11E, 39-19.27N 025-10.72E
      38-53.78N 024-54.35E, 38-58.25N 024-36.48E,
      39-08.29N 024-41.13E, 39-02.89N 024-32.94E.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 2221/17.
3. CANCEL THIS MSG 24 JUL 17.

This area · survey operations

123 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

Timeline

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.