Other

Underwater ordnance detonations 090700Z to 091600Z mar, alternate 0700Z to 1600Z daily 10 and 11 mar…

HYDROLANT 857/00

issued
2000-03-08 13:15Z
status
cancelled 2000-03-11 17:00Z (archive)
self-cancels
2000-03-11 17:00Z
authority
MARIDI PART SARDEGNA 034/00 080935Z MAR 00
sea
Tyrrhenian Sea
position
41.308, 9.508
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER ORDNANCE DETONATIONS 090700Z TO 091600Z MAR,
   ALTERNATE 0700Z TO 1600Z DAILY 10 AND 11 MAR VICINITY
   41-18.5N 009-30.5E. 4000 METER BERTH REQUESTED.
2. CANCEL THIS MSG 111700Z MAR.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2000-03-09 07:00Z2000-03-09 16:00Z9 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

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

98
00
05
10
15
20
23

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.