Ordnance

Underwater ordnance detonations 0600Z to 1200Z daily 25 and 26 oct within one mile of 43-59.0N 009-55.5E

Tyrrhenian Sea · HYDROLANT 3594/00

What this record establishes

Archived notice · 2000-10-26 13:00Z

This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.

Source and dates
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · MARDIPART LASPEZIA 309/00 231122Z OCT 00; WZ 2021/00 230946Z OCT 00. Issued 2000-10-23 14:44Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
Tyrrhenian Sea. The parsed report position is 43.983, 9.925 with a 1.0 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Related notices and cancellation links

Current notices and reporting history in the Tyrrhenian Sea →

issued
2000-10-23 14:44Z
status
Archived notice
self-cancels
2000-10-26 13:00Z
authority
MARDIPART LASPEZIA 309/00 231122Z OCT 00; WZ 2021/00 230946Z OCT 00
issued by
MARDIPART LASPEZIA
sea
Tyrrhenian Sea
position
43.983, 9.925 · r 1.0 nm
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER ORDNANCE DETONATIONS 0600Z TO 1200Z DAILY
   25 AND 26 OCT WITHIN ONE MILE OF 43-59.0N 009-55.5E.
2. CANCEL HYDROLANT 3585/00(36), OPERATIONS SUSPENDED.
3. CANCEL THIS MSG 261300Z OCT.

Reading this warning

Unexploded ordnance
Bombs, shells, mines or torpedoes found on the seabed or washed up, and the operations to remove or destroy them.
Within a radius of
A circular area — every position within a stated distance of a point.
Position (degrees and minutes)
How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROLANT
The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.
Date-time group (DTG)
A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.

All warning terms →

Collected reports in this area · ordnance operations

77 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now

99
00
05
06

Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.

Nearby notices listed in force · within 120 nm

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

0 ordnance operations listed in force · see all

Record snapshot 2026-10-03 04:17Z; source collection times vary.

Ordnance

Ordnance disposal, underwater detonations and unexploded ordnance. All current ordnance 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.