Surveys

Underwater operations by M/V manning 0600Z to 1600Z daily 07 thru 11 feb wihin two miles of: a. 44-04N 009-40E

HYDROLANT 435/00

issued
2000-02-04 23:07Z
status
cancelled 2000-02-11 17:00Z (archive)
self-cancels
2000-02-11 17:00Z
authority
MARIDIPART LA SPEZIA 030/00 041111A FEB 00
sea
Ligurian Sea
position
44.050, 9.725
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS BY M/V MANNING 0600Z TO 1600Z
   DAILY 07 THRU 11 FEB WIHIN TWO MILES OF:
   A. 44-04N 009-40E.
   B. 44-02N 009-47E.
2. CANCEL THIS MSG 111700Z FEB.

Activity windows · 5 in this warning

opens (UTC)closes (UTC)locallength
2000-02-07 06:00Z2000-02-07 16:00Z10 h
2000-02-08 06:00Z2000-02-08 16:00Z10 h
2000-02-09 06:00Z2000-02-09 16:00Z10 h
2000-02-10 06:00Z2000-02-10 16:00Z10 h
2000-02-11 06:00Z2000-02-11 16:00Z10 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

This area · survey operations

174 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

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.