Exercises

Hazardous operations 1100Z to 2200Z daily 20 thru 23 sep in area bound by 10-22.92N 075-33.54W, 10-22.80N…

Caribbean Sea · NAVAREA IV 1086/23

What this record establishes

Archived notice · 2023-09-23 23:00Z

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) · COLOMBIA 302/23 202107Z SEP 23.. Issued 2023-09-20 21:18Z. 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
Caribbean 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 Caribbean Sea →

Activity windows · 4 in this warning

opens (UTC)closes (UTC)locallength
2023-09-20 11:00Z2023-09-20 22:00Z—11 h
2023-09-21 11:00Z2023-09-21 22:00Z—11 h
2023-09-22 11:00Z2023-09-22 22:00Z—11 h
2023-09-23 11:00Z2023-09-23 22:00Z—11 h

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

issued
2023-09-20 21:18Z
status
Archived notice
self-cancels
2023-09-23 23:00Z
authority
COLOMBIA 302/23 202107Z SEP 23.
NAVAREA
NAVAREA IV
issued by
COLOMBIA
sea
Caribbean Sea
position
10.385, -75.554
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

CARIBBEAN SEA.
COLOMBIA.
1. HAZARDOUS OPERATIONS 1100Z TO 2200Z DAILY
   20 THRU 23 SEP IN AREA BOUND BY
   10-22.92N 075-33.54W, 10-22.80N 075-33.05W,
   10-23.29N 075-32.92W, 10-23.41N 075-33.42W.
2. CANCEL NAVAREA IV 1084/23.
3. CANCEL THIS MSG 232300Z SEP 23.

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.
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.
NAVAREA
One of the 21 ocean areas of the World-Wide Navigational Warning Service, each with a coordinator that broadcasts long-range warnings.
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

52 within 180 nm since 2000 · 0 in the last 12 months · 0 listed in force now

00
05
10
15
20
24

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 07:53Z; 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.