Exercises

Gunnery exercises 0700Z to 1530Z daily 07, 08, 14, 15, 21, 22 and 25 thru 29 oct in areas bound by: a.…

Tyrrhenian Sea · HYDROLANT 2135/99

What this record establishes

Archived notice · 1999-10-29 16:30Z

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) · MARISARDEGNA 106/99 060930Z OCT 99. Issued 1999-10-07 02:20Z. 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 map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.

Current notices and reporting history in the Tyrrhenian Sea →

issued
1999-10-07 02:20Z
status
Archived notice
self-cancels
1999-10-29 16:30Z
authority
MARISARDEGNA 106/99 060930Z OCT 99
issued by
MARISARDEGNA
sea
Tyrrhenian Sea
position
39.907, 10.842
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. GUNNERY EXERCISES 0700Z TO 1530Z DAILY 07, 08, 14, 15, 21, 22 AND
   25 THRU 29 OCT IN AREAS BOUND BY:
   A. 40-00N 010-00E, 40-00N 010-30E, 39-10N 010-30E, 39-10N 010-00E,
      39-26N 009-38E, 39-38N 009-38E.
   B. 40-15N 010-00E, 40-15N 011-50E, 38-48N 011-50E, 39-10N 010-00E,
      39-28N 009-48E, 39-43N 009-40E.
   C. 40-40N 009-50E, 40-40N 010-50E, 39-20N 010-50E, 39-20N 009-47E,
      39-24N 009-40E.
   D. 40-38N 009-54E, 41-00N 010-45E, 40-47N 011-40E, 40-00N 012-00E,
      39-00N 010-14E, 39-26N 009-38E.
2. CANCEL THIS MSG 291630Z OCT.

Reading this warning

Gunnery and live firing
Naval or coastal guns firing into a sea area for practice, at stated times.
Area bound by
Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
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.
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 · military exercises

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

99
00
05
10
15
20
23

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

9 military exercises listed in force · see all

Record snapshot 2026-10-03 18:42Z; source collection times vary.

Exercises

Gunnery, firing and naval exercise areas. All current military exercises →

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.