Surveys

Survey operations in progress until 111800Z apr by M/V tethys II in vicinity of trackline joining 40-07.0N…

Western Mediterranean Sea · Balearic Islands · HYDROLANT 758/23

issued
2023-04-09 01:08Z
status
cancelled 2023-04-09 16:51Z (archive)
self-cancels
2023-04-11 19:00Z
authority
NAVAREA III 32/23 090000Z APR 23.
position
40.425, 4.583
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN MEDITERRANEAN SEA.
BALEARIC ISLANDS.
DNC 08.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 111800Z APR
   BY M/V TETHYS II IN VICINITY OF TRACKLINE
   JOINING 40-07.0N 005-20.0E, 40-44.0N 003-50.0E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 111900Z APR 23.

This area · survey operations

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

99
00
05
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24

Season · when survey operations happen here

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A
M
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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.