Surveys

B. 36-00N 020-00E

Eastern Mediterranean Sea · Ionian Sea · Greece · HYDROLANT 1964/18

issued
2018-06-18 12:11Z
status
cancelled 2018-06-20 18:41Z (archive)
cancels
HYDROLANT 1544/18
authority
NAVAREA III 506/18 181204Z JUN 18.
position
36.233, 20.633
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN MEDITERRANEAN SEA.
IONIAN SEA.
GREECE.
DNC 9.
1. UNDERWATER OPERATIONS IN PROGRESS
   UNTIL FURTHER NOTICE BY M/V TETHYS II
   IN AREA WITHIN TWO MILES OF:
   A. 36-00N 021-24E.
   B. 36-00N 020-00E.
   C. 36-42N 020-30E.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 1544/18(38).

This area · survey operations

84 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

99
00
05
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15
20
24

Season · when survey operations happen here

J
F
M
A
M
J
J
A
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N
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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

73 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.