Exercises

Gunnery exercises 020700Z to 032000Z dec in area bound by 36-39N 012-12E, 36-10N 012-12E, 36-10N 012-50E,…

Mediterranean Sea - Eastern Basin · HYDROLANT 3742/20

What this record establishes

Archived notice · 2020-12-03 21:00Z

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) · NAVAREA III 1633/20 011311Z DEC 20.. Issued 2020-12-01 13:18Z. 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
Mediterranean Sea - Eastern Basin. 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 Mediterranean Sea - Eastern Basin →

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2020-12-02 07:00Z2020-12-03 20:00Z—37 h

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

issued
2020-12-01 13:18Z
status
Archived notice
self-cancels
2020-12-03 21:00Z
authority
NAVAREA III 1633/20 011311Z DEC 20.
NAVAREA
NAVAREA III · named as the source of this relay
sea
Mediterranean Sea - Eastern Basin
position
36.408, 12.517
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

EASTERN MEDITERRANEAN SEA.
STRAIT OF SICILY.
PANTELLERIA.
DNC 09.
1. GUNNERY EXERCISES 020700Z TO 032000Z DEC
   IN AREA BOUND BY
   36-39N 012-12E, 36-10N 012-12E,
   36-10N 012-50E, 36-39N 012-50E.
2. CANCEL THIS MSG 032100Z DEC 20.

Reading this warning

DNC (Digital Nautical Chart)
A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
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.
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.

All warning terms →

Collected reports in this area · military exercises

201 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 07:15Z; 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.

Gunnery exercises 020700Z to 032000Z dec in area bound by 36-39N 012-12E, 36-10N 012-12E, 36-10N 012-50E,… — HYDROLANT 3742/20 · seahazards