Surveys

Underwater operations 0500Z to 1400Z daily 27 and 29 may in area bound by 44-00N 009-28E, 44-00N 009-53E,…

HYDROLANT 1072/99

issued
1999-05-26 00:19Z
status
cancelled 1999-05-29 15:00Z (archive)
self-cancels
1999-05-29 15:00Z
authority
MARIDIPART LA SPEZIA 357/99-251754Z MAY 1999
sea
Ligurian Sea
position
43.887, 9.717
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS 0500Z TO 1400Z DAILY
   27 AND 29 MAY IN AREA BOUND BY 44-00N 009-28E,
   44-00N 009-53E, 43-45N 009-53E, 43-45N 009-39E.
2. CANCEL THIS MSG 291500Z MAY.

This area · survey operations

182 within 180 nm since 1998 · 0 in the last 12 months · 0 in force now

98
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23

Season · when survey operations happen here

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M
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

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.