Surveys

Survey operations in progress until 30 may by M/V alex challenger in 36-58.6N 011-43.9E

Strait of Sicily · Tunisia-northeast Coast · HYDROLANT 884/10

issued
2010-05-17 11:28Z
status
cancelled 2010-05-31 00:01Z (archive)
authority
NAVAREA III 142/10 171032Z MAY 10.
sea
Mediterranean Sea - Eastern Basin
position
36.977, 11.732
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

STRAIT OF SICILY.
TUNISIA-NORTHEAST COAST.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 30 MAY BY
   M/V ALEX CHALLENGER IN 36-58.6N 011-43.9E.
   1000 METER BERTH REQUESTED.
2. CANCEL THIS MSG 31 MAY.

This area · survey operations

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

99
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05
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22

Season · when survey operations happen here

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M
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J
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month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

84 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.