Hazardous operations, space debris 131230Z to 140800Z dec in area within 20 miles of trackline trackline…
Great Australian Bight · HYDROPAC 3508/22
What this record establishes
Archived notice · 2022-12-14 09:00Z
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) · AUSCOAST 247/22 082331Z DEC 22.. Issued 2022-12-09 01:36Z. 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
- Great Australian Bight. 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
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.
- HYDROPAC 3508/22 · this notice2022-12-09 · Archived notice
- HYDROPAC 3543/222022-12-11 · Archived notice
Current notices and reporting history in the Great Australian Bight →
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2022-12-13 12:30Z | 2022-12-14 08:00Z | — | 19 h 30 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2022-12-09 01:36Z
- status
- Archived notice
- self-cancels
- 2022-12-14 09:00Z
- authority
- AUSCOAST 247/22 082331Z DEC 22.
- issued by
- AUSCOAST
- sea
- Great Australian Bight
- position
- -36.836, 136.083
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
GREAT AUSTRALIAN BIGHT. AUSTRALIA. DNC 05. 1. HAZARDOUS OPERATIONS, SPACE DEBRIS 131230Z TO 140800Z DEC IN AREA WITHIN 20 MILES OF TRACKLINE TRACKLINE JOINING 36-15.00S 136-05.00E, 37-25.00S 136-05.00E. 2. CANCEL THIS MSG 140900Z DEC 22.
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.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- Track line joining
- Introduces a route through a series of positions — a cable route, a tow's track or a survey line.
- 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
8 within 180 nm since 2021 · 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 2200Z to 0830Z daily 17 thru 20 dec in area within 15 miles of trackline…2022-12-17
- Hazardous operations, space debris 2200Z to 0830Z daily 14 thru 20 dec in area within 20 miles of trackline…2022-12-11
- Hazardous operations, space debris 2200Z to 0830Z daily 16 thru 20 dec in area within 20 miles of trackline…2022-12-11
- Hazardous operations, space debris 2130Z to 0800Z daily 13 thru 23 nov in area bound by 37-09.00S…2022-11-09
- Hazardous operations, space debris 152030Z to 160830Z sep in area bound by 35-00S 135-28E, 35-00S 135-45E,…2021-09-15
- Hazardous operations, space debris 142030Z to 150830Z sep in area bound by 35-00S 135-28E, 35-00S 135-45E,…2021-09-14
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
8 missile & rocket hazards listed in force · see all
Record snapshot 2026-10-03 04:35Z; 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.