Surveys

Underwater survey operations 29 and 30 jun by M/V alliance in area bound by 43-44N 009-50E, 43-44N 010-10E,…

HYDROLANT 1315/99

issued
1999-06-25 11:04Z
status
cancelled 1999-07-01 06:00Z (archive)
authority
MARIDIPART LA SPEZIA 424/99 250920Z JUN 99
sea
Tyrrhenian Sea
position
43.659, 9.963
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER SURVEY OPERATIONS 29 AND 30 JUN
   BY M/V ALLIANCE IN AREA BOUND BY
   43-44N 009-50E,
   43-44N 010-10E,
   43-34N 010-00E,
   43-34N 009-50E.
2. CANCEL THIS MSG 01 JUL.

This area · survey operations

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

98
00
05
10
15
20
23

Season · when survey operations happen here

J
F
M
A
M
J
J
A
S
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N
D

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.