Other

Pyrotecnics exercises 310800Z to 311000Z aug within one mile of 43-54N 009-44E

Ligurian Sea · HYDROLANT 1832/99

What this record establishes

Archived notice · 1999-08-31 11:00Z

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) · MARIDIPART LA SPEZIA 517/99 301417Z AUG 99. Issued 1999-08-30 16:42Z. 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
Ligurian Sea. The parsed report position is 43.900, 9.733 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.

Current notices and reporting history in the Ligurian Sea →

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
1999-08-31 08:00Z1999-08-31 10:00Z—2 h

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

issued
1999-08-30 16:42Z
status
Archived notice
self-cancels
1999-08-31 11:00Z
authority
MARIDIPART LA SPEZIA 517/99 301417Z AUG 99
issued by
MARIDIPART LA SPEZIA
sea
Ligurian Sea
position
43.900, 9.733 · 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. PYROTECNICS EXERCISES 310800Z TO 311000Z AUG WITHIN ONE MILE
   OF 43-54N 009-44E.
2. CANCEL THIS MSG 311100Z AUG.

Reading this warning

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.
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 · other warnings

59 within 180 nm since 1996 · 1 in the last 12 months · 0 listed in force now

96
00
05
10
15
20
25
26

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

23 other warnings listed in force · see all

Record snapshot 2026-10-01 10:45Z; source collection times vary.

Other

Everything the classifier did not place elsewhere. All current other warnings →

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.