Hazardous operations, space debris 051800Z to 052400Z dec, alternate 061800Z to 062400Z dec in area bound by…
Indian Ocean · HYDROPAC 3798/23
What this record establishes
Archived notice · 2023-12-07 01:00Z
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 X 72/23 011230Z DEC 23.. Issued 2023-12-01 13:48Z. 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 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
- Cancel HYDROPAC 3798/23 and this msg, operations completedlater cancellation notice
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2023-12-05 18:00Z | 2023-12-06 00:00Z | — | 6 h |
| 2023-12-06 18:00Z | 2023-12-07 00:00Z | — | 6 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2023-12-01 13:48Z
- status
- Archived notice
- self-cancels
- 2023-12-07 01:00Z
- authority
- NAVAREA X 72/23 011230Z DEC 23.
- NAVAREA
- NAVAREA X · named as the source of this relay
- sea
- Indian Ocean
- position
- -43.024, 107.287
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
SOUTHEASTERN INDIAN OCEAN. DNC 04. 1. HAZARDOUS OPERATIONS, SPACE DEBRIS 051800Z TO 052400Z DEC, ALTERNATE 061800Z TO 062400Z DEC IN AREA BOUND BY 44-20.00S 106-41.00E, 41-39.00S 106-55.00E, 41-41.00S 107-52.00E, 44-23.00S 107-41.00E. 2. CANCEL THIS MSG 070100Z DEC 23.
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.
- 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.
- Space debris
- An area where parts of a spacecraft or rocket stage are expected to come down at sea, from a launch or a planned re-entry.
- 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.
Collected reports in this area · missile & rocket hazards
12 within 180 nm since 2014 · 0 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, space debris 051635Z to 051710Z oct, alternate 061613Z to 061648Z and 071547Z to…2022-10-01
- Hazardous operations, space debris 260851Z to 260925Z apr in area bound by 35-55S 095-59E, 35-39S 097-17E,…2022-04-22
- Hazardous operations, space debris 160811Z to 160904Z feb, alternate 170749Z to 170842Z feb in area bound by…2021-02-11
- Hazardous operations, space debris 120721Z to 120815Z feb, alternate 130659Z to 130753 feb in area bound by…2021-02-07
- Hazardous operations, space debris 281618Z to 281719Z sep in area bound by 27-27S 062-19E, 45-10S 087-41E,…2020-09-26
- Hazardous operations, space debris 172013Z to 172114Z sep, alternate 181951Z to 182052Z sep in area bound by…2020-09-17
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
4 missile & rocket hazards listed in force · see all
Record snapshot 2026-10-02 06:37Z; source collection times vary.
Missiles
Missile firings, rocket launches and space debris re-entry areas. All current missile & rocket hazards →
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.