Exercises

Gunnery exercises 090800Z to 091200Z oct within ten miles of 37-45N 016-30E

Ionian Sea · HYDROLANT 1894/03

What this record establishes

Archived notice · 2003-10-09 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) · MARISICILIA 375/03 071054Z OCT 03; MARISICILIA 374/03 071100Z OCT 03; MARISICILIA 376/03 072045Z OCT 03. Issued 2003-10-07 23:00Z. 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
Ionian Sea. The parsed report position is 37.750, 16.500 with a 10.0 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Current notices and reporting history in the Ionian Sea →

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2003-10-09 08:00Z2003-10-09 12:00Z—4 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

issued
2003-10-07 23:00Z
status
Archived notice
self-cancels
2003-10-09 13:00Z
authority
MARISICILIA 375/03 071054Z OCT 03; MARISICILIA 374/03 071100Z OCT 03; MARISICILIA 376/03 072045Z OCT 03
issued by
MARISICILIA
sea
Ionian Sea
position
37.750, 16.500 · r 10.0 nm
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. GUNNERY EXERCISES 090800Z TO 091200Z OCT
   WITHIN TEN MILES OF 37-45N 016-30E.
2. CANCEL HYDROLANT 1781/03, SURVEY COMPLETED.
3. CANCEL HYDROLANT 1846/03, AID RESTORED.
4. CANCEL THIS MSG 091300Z OCT.

Reading this warning

Gunnery and live firing
Naval or coastal guns firing into a sea area for practice, at stated times.
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.
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.

All warning terms →

Collected reports in this area · military exercises

277 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

Worldwide in the collected sources

10 military exercises listed in force · see all

Record snapshot 2026-10-03 04:34Z; 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.