Exercises

Hazardous operations

Adriatic Sea · HYDROLANT 968/10

What this record establishes

Archived notice · 2010-06-01 22:00Z

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 156/10 281016Z MAY 10 - WZ 604/10 281055Z MAY 10.. Issued 2010-05-28 13:37Z. 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
Adriatic Sea. The parsed report position is 45.072, 12.950 with a 3.0 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Related notices and cancellation links

Current notices and reporting history in the Adriatic Sea →

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2010-06-01 08:00Z2010-06-01 21:00Z—13 h

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

issued
2010-05-28 13:37Z
status
Archived notice
self-cancels
2010-06-01 22:00Z
authority
NAVAREA III 156/10 281016Z MAY 10 - WZ 604/10 281055Z MAY 10.
NAVAREA
NAVAREA III · named as the source of this relay
sea
Adriatic Sea
position
45.072, 12.950 · r 3.0 nm
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

NORTHERN ADRIATIC SEA.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 010800Z TO 012100Z JUN
   WITHIN THREE MILES OF 45-04.3N 012-57.0E.
2. CANCEL HYDROLANT 957/10(36,37), AID RESTORED.
3. CANCEL THIS MSG 012200Z JUN.

Reading this warning

Hazardous operations
NGA's heading for activities that make an area dangerous — most often rocket launches, space debris and weapons firings, and some open-ended danger areas.
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

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

99
00
05
10
15
20
21

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 05:51Z; 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.