Gunnery and missile operations 172100Z to 201200Z sep, alternate 202100Z to 231200Z sep in area bound by…
Laptev Sea · HYDROARC 227/21
What this record establishes
Archived notice · 2021-09-23 13:00Z
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 XXI 45/21 101835Z SEP 21.. Issued 2021-09-12 03:34Z. 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
- Laptev Sea. The map shows an area described by the warning; the listed coordinate is its representative center. Check the original wording for limits and qualifications.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2021-09-17 21:00Z | 2021-09-20 12:00Z | — | 63 h |
| 2021-09-20 21:00Z | 2021-09-23 12:00Z | — | 63 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2021-09-12 03:34Z
- status
- Archived notice
- self-cancels
- 2021-09-23 13:00Z
- authority
- NAVAREA XXI 45/21 101835Z SEP 21.
- NAVAREA
- NAVAREA XXI · named as the source of this relay
- sea
- Laptev Sea
- position
- 75.847, 137.261
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
LAPTEV SEA. RUSSIA. DNC 27. 1. GUNNERY AND MISSILE OPERATIONS 172100Z TO 201200Z SEP, ALTERNATE 202100Z TO 231200Z SEP IN AREA BOUND BY 75-54N 137-00E, 75-54N 137-26E, 75-48N 137-36E, 75-48N 137-00E. 2. CANCEL THIS MSG 231300Z SEP 21.
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.
- Gunnery and live firing
- Naval or coastal guns firing into a sea area for practice, at stated times.
- Missile firing
- Missile tests or exercises, with the danger area and times during which missiles may be in flight or falling.
- 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
16 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, rocket launching 0500Z to 1700Z daily 18 thru 20 sep, alternate 0500Z to 1700Z daily…2023-09-13
- Gunnery and missile operations 2100Z to 2359Z, 0300Z to 0600Z and 0900Z to 1200Z daily 23 to 25 sep,…2021-09-23
- Gunnery and missile operations 232100Z to 251200Z sep, alternate 252100Z to 271200Z sep in area bound by…2021-09-18
- Gunnery and missile operations 172100Z to 201200Z sep, alternate 202100Z to 231200Z sep in area bound by…2021-09-12
- Missile operations 2300Z to 1300Z commencing daily 22 thru 25 sep in area bound by 76-43.3N 133-16.0E,…2018-09-17
- Gunnery and missile operations 0200Z to 1400Z daily 18 thru 21 sep in area bound by 75-54N 137-26E, 76-32N…2017-09-13
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
8 missile & rocket hazards listed in force · see all
Record snapshot 2026-10-03 00:09Z; 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.