Surveys

Survey operations in progress until 20 sep by M/V thetis vicinity of trackline between 41-01.3N 013-46.7E…

HYDROLANT 2436/01

issued
2001-09-09 00:40Z
status
cancelled 2001-09-09 02:20Z (archive)
authority
NAVAREA III 480/01 090003Z SEP 01
sea
Tyrrhenian Sea
position
40.682, 14.347
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. SURVEY OPERATIONS IN PROGRESS UNTIL 20 SEP BY
   M/V THETIS VICINITY OF TRACKLINE BETWEEN
   41-01.3N 013-46.7E AND 40-20.6N 014-54.9E.
2. CANCEL THIS MSG 21 SEP.

This area · survey operations

113 within 180 nm since 1997 · 0 in the last 12 months · 0 in force now

97
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05
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24

Season · when survey operations happen here

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A
M
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J
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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

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.