Exercises

Gunnery exercises 0700Z to 1530Z daily: a. 02, 03, 06 thru 10, 13 thru 17, 20 thru 24 and 27 thru 31 may in…

Tyrrhenian Sea · HYDROLANT 1022/02

What this record establishes

Archived notice · 2002-05-31 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 43/02 031113Z MAY 02. Issued 2002-05-03 11:55Z. 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.

Related notices and cancellation links

Current notices and reporting history in the Tyrrhenian Sea →

issued
2002-05-03 11:55Z
status
Archived notice
self-cancels
2002-05-31 16:30Z
authority
MARISARDEGNA 43/02 031113Z MAY 02
issued by
MARISARDEGNA
sea
Tyrrhenian Sea
position
39.629, 10.723
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:
   A. 02, 03, 06 THRU 10, 13 THRU 17, 20 THRU 24 AND 27 THRU 31 MAY
      IN AREA BOUND BY 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. 02, 03, 06 THRU 10, 13 THRU 17, 21 THRU 23 AND 28 THRU 30 MAY
      IN AREA BOUND BY 40-15N 010-00E, 40-15N 011-31E,
      40-11N 011-33E, 39-32N 011-38E, 38-52N 011-28E,
      39-10N 010-00E, 39-28N 009-38E.
2. CANCEL HYDROLANT 1001/02.
3. CANCEL THIS MSG 311630Z MAY.

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.
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 · military exercises

349 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

10 military exercises listed in force · see all

Record snapshot 2026-10-03 08:06Z; 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.