Hazardous operations, space debris 1147Z to 1822Z daily 19 thru 25 apr in area bound by 41-12.00S…
South Atlantic Ocean · HYDROLANT 834/23
What this record establishes
Archived notice · 2023-04-18 13:55Z
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) · SPACEX 0/23 180001Z APR 23.. Issued 2023-04-18 00:07Z. 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
- South Atlantic 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
- Hazardous operations, space debris 1147Z to 1822Z daily 19 thru 25 apr in area bound by 41-12.00S…later cancellation notice
These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.
- HYDROLANT 834/23 · this notice2023-04-18 · Archived notice
- HYDROPAC 1274/232023-04-18 · Archived notice
- HYDROLANT 835/232023-04-18 · Archived notice
- HYDROPAC 1282/232023-04-18 · Archived notice
Current notices and reporting history in the South Atlantic Ocean →
Activity windows · 7 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2023-04-19 11:47Z | 2023-04-19 18:22Z | — | 6 h 35 |
| 2023-04-20 11:47Z | 2023-04-20 18:22Z | — | 6 h 35 |
| 2023-04-21 11:47Z | 2023-04-21 18:22Z | — | 6 h 35 |
| 2023-04-22 11:47Z | 2023-04-22 18:22Z | — | 6 h 35 |
| 2023-04-23 11:47Z | 2023-04-23 18:22Z | — | 6 h 35 |
| 2023-04-24 11:47Z | 2023-04-24 18:22Z | — | 6 h 35 |
| 2023-04-25 11:47Z | 2023-04-25 18:22Z | — | 6 h 35 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2023-04-18 00:07Z
- status
- Archived notice
- self-cancels
- 2023-04-25 19:22Z
- authority
- SPACEX 0/23 180001Z APR 23.
- issued by
- SPACEX
- sea
- South Atlantic Ocean
- position
- -41.125, 19.092
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
EASTERN SOUTH ATLANTIC. SOUTHWESTERN INDIAN OCEAN. DNC 01, DNC 02. 1. HAZARDOUS OPERATIONS, SPACE DEBRIS 1147Z TO 1822Z DAILY 19 THRU 25 APR IN AREA BOUND BY 41-12.00S 039-51.00E, 39-19.00S 039-54.00E, 42-56.00S 001-32.00W, 41-02.00S 001-29.00W. 2. CANCEL THIS MSG 251922Z APR 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.
- 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.
- 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.
Collected reports in this area · missile & rocket hazards
10 within 180 nm since 2023 · 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 1032Z to 1618Z daily 01 thru 07 jun in area bound by 41-12.00S…2023-05-27
- Hazardous operations, space debris 1032Z to 1618Z daily 01 thru 07 jun in area bound by 41-12.00S…2023-05-27
- Hazardous operations, space debris 1147Z to 1822Z daily 19 thru 25 apr in area bound by 39-19.00S…2023-04-18
- Hazardous operations, space debris 1147Z to 1822Z daily 19 thru 25 apr in area bound by 41-12.00S…2023-04-18
- Hazardous operations, space debris 1147Z to 1822Z daily 19 thru 25 apr in area bound by 41-12.00S…2023-04-18
- Hazardous operations, space debris 2005Z to 0210Z daily 23 feb thru 05 mar in area bound by 41-12.00S…2023-02-20
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 04:36Z; 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.