Hazardous operations 1500Z to 2325Z daily 29 oct thru 29 nov in area bound by 01-16N 000-51W, 00-32S…
North Atlantic Ocean · HYDROLANT 2057/09
What this record establishes
Archived notice · 2009-10-29 23:23Z
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) · MARINE GUYANE 12/09 161305Z OCT 09.. Issued 2009-10-24 05:16Z. 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
- North 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
- Cancel HYDROLANT 2056/09, 2057/09(51,57) and this msg, operations completedlater cancellation notice
Current notices and reporting history in the North Atlantic Ocean →
Activity windows · 32 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2009-10-29 15:00Z | 2009-10-29 23:25Z | — | 8 h 25 |
| 2009-10-30 15:00Z | 2009-10-30 23:25Z | — | 8 h 25 |
| 2009-10-31 15:00Z | 2009-10-31 23:25Z | — | 8 h 25 |
| 2009-11-01 15:00Z | 2009-11-01 23:25Z | — | 8 h 25 |
| 2009-11-02 15:00Z | 2009-11-02 23:25Z | — | 8 h 25 |
| 2009-11-03 15:00Z | 2009-11-03 23:25Z | — | 8 h 25 |
| 2009-11-04 15:00Z | 2009-11-04 23:25Z | — | 8 h 25 |
| 2009-11-05 15:00Z | 2009-11-05 23:25Z | — | 8 h 25 |
| … 24 more | |||
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2009-10-24 05:16Z
- status
- Archived notice
- self-cancels
- 2009-11-30 00:25Z
- authority
- MARINE GUYANE 12/09 161305Z OCT 09.
- issued by
- COMAR GUYANE
- sea
- North Atlantic Ocean
- position
- 1.233, -8.392
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 1500Z TO 2325Z DAILY 29 OCT THRU 29 NOV IN AREA BOUND BY 01-16N 000-51W, 00-32S 001-04W, 01-12N 015-56W, 03-00N 015-43W. 2. CANCEL THIS MSG 300025Z NOV.
Reading this warning
- 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.
- 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 · military exercises
21 within 180 nm since 2005 · 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: a. 2025Z to 0005Z commencing daily 14 feb thru 14 mar in area bound by 05-16N 047-26W,…2017-02-09
- Hazardous operations2016-08-19
- Hazardous operations2010-10-22
- Hazardous operations2010-06-19
- Hazardous operations 2000Z to 0103Z commencing daily 30 sep thru 30 oct in area bound by 00-41N 000-43W,…2009-09-24
- Hazardous operations 2000Z to 0146Z commencing daily 20 aug thru 20 sep in area bound by 00-59N 001-56W,…2009-08-15
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
9 military exercises listed in force · see all
Record snapshot 2026-10-03 04:27Z; source collection times vary.
Exercises
Gunnery, firing and naval exercise areas. All current military exercises →
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.