Gunnery exercises 150200Z to 151600Z oct within 25 miles of 04-12S 040-50E
Indian Ocean · HYDROPAC 2121/10
What this record establishes
Archived notice · 2010-10-15 17:00Z
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) · CTF 69 120553Z OCT 10.. Issued 2010-10-13 11:59Z. 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
- Indian Ocean. The parsed report position is -4.200, 40.833 with a 25.0 nm radius. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2010-10-15 02:00Z | 2010-10-15 16:00Z | — | 14 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2010-10-13 11:59Z
- status
- Archived notice
- self-cancels
- 2010-10-15 17:00Z
- authority
- CTF 69 120553Z OCT 10.
- issued by
- CTF
- sea
- Indian Ocean
- position
- -4.200, 40.833 · r 25.0 nm
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
WESTERN INDIAN OCEAN. KENYA. GUNNERY. 1. GUNNERY EXERCISES 150200Z TO 151600Z OCT WITHIN 25 MILES OF 04-12S 040-50E. 2. CANCEL THIS MSG 151700Z 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.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · military exercises
5 within 180 nm since 2010 · 1 in the last 12 months · 0 listed in force now
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.
- Hazardous operations 0400Z to 0900Z daily 08 and 09 dec in area bound by 02-07.77S 040-58.38E, 02-07.77S…2025-12-02
- Hazardous operations 09 thru 21 jul in area bound by 01-39.72S 041-32.7E, 01-54.72S 041-32.7E, 01-54.72S…2021-07-08
- Hazardous operations 09 thru 21 in area bound by 01-39.72S 041-32.70E, 01-54.72S 041-47.70E2021-07-08
- Hazardous operations2012-06-13
Month of issue in the collected archive
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
9 military exercises listed in force · see all
Record snapshot 2026-10-04 01:16Z; 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.