Surveys

Survey operations in progress until 17 jul by M/V tethys II in area bound by 39-54.37N 023-54.74E, 40-19.82N…

Aegean Sea · HYDROLANT 2171/17

issued
2017-07-13 13:10Z
status
cancelled 2017-07-18 00:01Z (archive)
authority
NAVAREA III 435/17 131214Z JUL 17.
sea
Aegean Sea
position
39.767, 24.271
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

AEGEAN SEA.
DNC 09.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 17 JUL BY
   M/V TETHYS II IN AREA BOUND BY
   39-54.37N 023-54.74E, 40-19.82N 025-06.01E,
   40-06.02N 025-09.54E, 39-13.76N 023-50.76E,
   39-19.28N 023-24.70E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 18 JUL 17.

This area · survey operations

96 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

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.