Surveys

Underwater operations 010500Z to 011700Z aug in area within 15 miles of 35-48.83N 024-34.50E

Aegean Sea · HYDROLANT 2358/17

issued
2017-07-31 12:07Z
status
cancelled 2017-08-01 18:00Z (archive)
self-cancels
2017-08-01 18:00Z
cancels
HYDROLANT 2337/17
authority
NAVAREA III 483/17 311157Z JUL 17.
sea
Aegean Sea
position
35.814, 24.575 · r 15.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

AEGEAN SEA.
DNC 09.
1. UNDERWATER OPERATIONS 010500Z TO 011700Z AUG
   IN AREA WITHIN 15 MILES OF 35-48.83N 024-34.50E.
   WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 2337/17(24).
3. CANCEL THIS MSG 011800Z AUG 17.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2017-08-01 05:00Z2017-08-01 17:00Z12 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

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

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24

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.