Surveys

Underwater oceanographic operations 12 thru 15 sep by M/V alliance with submersibles in area bound by 44-01N…

HYDROLANT 3111/00

issued
2000-09-08 16:30Z
status
cancelled 2000-09-16 00:00Z (archive)
authority
MARIDIPART LA SPEZIA 255/00 080904Z SEP 00
sea
Tyrrhenian Sea
position
43.925, 10.033
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OCEANOGRAPHIC OPERATIONS 12 THRU 15 SEP
   BY M/V ALLIANCE WITH SUBMERSIBLES IN AREA BOUND BY
   44-01N 009-58E, 43-57N 010-10E, 43-50N 010-06E, 43-54N 009-54E.
2. CANCEL THIS MSG 16 SEP.

This area · survey operations

180 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
O
N
D

month of issue, all years in the archive

Nearby now · 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.