Surveys

Underwater operations in progress by M/V aegaeo: a. 200600Z to 201800Z jun in 37-30.7N 025-27.4E

Aegean Sea · Eastern Mediterranean Sea · HYDROLANT 1984/18

issued
2018-06-20 11:38Z
status
cancelled 2018-06-24 11:00Z (archive)
self-cancels
2018-06-24 11:00Z
cancels
HYDROLANT 1933/18
authority
NAVAREA III 508/18 200903Z JUN 18.
sea
Aegean Sea
position
36.064, 25.734
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

AEGEAN SEA.
EASTERN MEDITERRANEAN SEA.
DNC 09.
1. UNDERWATER OPERATIONS IN PROGRESS BY M/V AEGAEO:
   A. 200600Z TO 201800Z JUN IN 37-30.7N 025-27.4E.
   B. 210700Z TO 210900Z JUN IN 35-15.3N 026-40.3E.
   C. 211600Z TO 211800Z AND 240700Z TO 241000Z JUN
      IN 35-25.6N 025-04.4E.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 1933/18.
3. CANCEL THIS MSG 241100Z JUN 18.

Activity windows · 4 in this warning

opens (UTC)closes (UTC)locallength
2018-06-20 06:00Z2018-06-20 18:00Z12 h
2018-06-21 07:00Z2018-06-21 09:00Z2 h
2018-06-21 16:00Z2018-06-21 18:00Z2 h
2018-06-24 07:00Z2018-06-24 10:00Z3 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

This area · survey operations

203 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now

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21

Season · when survey operations happen here

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A
M
J
J
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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.