Other

Underwater sonar operations 250700Z to 251800Z mar by M/V manning in area bound by 44-11N 009-31E, 44-14N…

HYDROLANT 568/99

issued
1999-03-23 14:24Z
status
cancelled 1999-03-25 00:00Z (archive)
self-cancels
1999-03-25 19:00Z
sea
Ligurian Sea
position
44.178, 9.419
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER SONAR OPERATIONS 250700Z TO 251800Z MAR
   BY M/V MANNING IN AREA BOUND BY
   44-11N 009-31E,
   44-14N 009-22E,
   44-11N 009-19E,
   44-07N 009-28E.
2. CANCEL THIS MSG 251900Z MAR.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
1999-03-25 07:00Z1999-03-25 18:00Z11 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 · other warnings

132 within 180 nm since 1996 · 1 in the last 12 months · 1 in force now

96
00
05
10
15
20
25
26

Season · when other warnings 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

34 other warnings in force · see all

Other

Everything the classifier did not place elsewhere. All current other warnings

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.