Hazardous operations, space debris: 1700Z to 1830Z daily 21 thru 24 mar in area bound by 85-19N 162-06W,…
Arctic Ocean · HYDROARC 38/20
What this record establishes
Archived notice · 2020-03-24 19:30Z
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 XVII 14/20 181324Z MAR 20.. Issued 2020-03-18 13:29Z. 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
- Arctic 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: 1700Z to 1830Z daily 21 thru 24 mar in area bound by 82-25N 141-00W,…cancelled by this notice
These messages are connected by recorded cancellation references. The links establish relationships between notices; they do not by themselves confirm a single object, a continuous track, or recovery.
- HYDROARC 37/202020-03-16 · Archived notice
- HYDROARC 38/20 · this notice2020-03-18 · Archived notice
Activity windows · 4 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2020-03-21 17:00Z | 2020-03-21 18:30Z | — | 1 h 30 |
| 2020-03-22 17:00Z | 2020-03-22 18:30Z | — | 1 h 30 |
| 2020-03-23 17:00Z | 2020-03-23 18:30Z | — | 1 h 30 |
| 2020-03-24 17:00Z | 2020-03-24 18:30Z | — | 1 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
- 2020-03-18 13:29Z
- status
- Archived notice
- self-cancels
- 2020-03-24 19:30Z
- authority
- NAVAREA XVII 14/20 181324Z MAR 20.
- NAVAREA
- NAVAREA XVII · named as the source of this relay
- sea
- Arctic Ocean
- position
- 84.085, -150.132
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
ARCTIC. DNC 27. 1. HAZARDOUS OPERATIONS, SPACE DEBRIS: 1700Z TO 1830Z DAILY 21 THRU 24 MAR IN AREA BOUND BY 85-19N 162-06W, 85-50N 152-35W, 82-31N 138-40W, 82-13N 145-01W. 2. CANCEL HYDROARC 37/20. 3. CANCEL THIS MSG 241930Z MAR 20.
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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- HYDROARC
- The U.S. long-range warning series for the Arctic Ocean.
- 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
7 within 180 nm since 2020 · 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 2230Z to 0030Z daily 04 thru 08 mar in area bound by 85-19N 162-06W,…2022-03-01
- Hazardous operations, space debris 1300Z to 1500Z daily 27 thru 30 dec in area bound by 85-19N 162-06W,…2021-12-22
- Hazardous operations, space debris 1730Z to 1930Z daily 14 thru 17 sep in area bound by 85-19N 162-06W,…2021-09-09
- Hazardous operations, space debris 2200Z to 2330Z daily 19 thru 22 aug in area bound by 85-19N 162-06W,…2021-08-14
- Hazardous operations, space debris: 1700Z to 1830Z daily 21 thru 24 mar in area bound by 82-25N 141-00W,…2020-03-16
- Hazardous operations, rocket launching 062142Z to 100400Z feb in area bound by 85-19N 162-06W, 85-50N…2020-02-01
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 2026-10-01 09:01Z; 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.