Hazardous operations 2000Z to 0114Z commencing daily 16 apr thru 17 may in area bound by 05-33N 049-42W,…
North Atlantic Ocean · HYDROLANT 849/02
What this record establishes
Archived notice · 2002-04-18 04:52Z
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 474/02. Issued 2002-04-12 18:27Z. 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 847/02, 848/02, 849/02, 867/02, 891/02 and this msglater cancellation notice
Current notices and reporting history in the North Atlantic Ocean →
Activity windows · 32 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2002-04-16 20:00Z | 2002-04-17 01:14Z | — | 5 h 14 |
| 2002-04-17 20:00Z | 2002-04-18 01:14Z | — | 5 h 14 |
| 2002-04-18 20:00Z | 2002-04-19 01:14Z | — | 5 h 14 |
| 2002-04-19 20:00Z | 2002-04-20 01:14Z | — | 5 h 14 |
| 2002-04-20 20:00Z | 2002-04-21 01:14Z | — | 5 h 14 |
| 2002-04-21 20:00Z | 2002-04-22 01:14Z | — | 5 h 14 |
| 2002-04-22 20:00Z | 2002-04-23 01:14Z | — | 5 h 14 |
| 2002-04-23 20:00Z | 2002-04-24 01:14Z | — | 5 h 14 |
| … 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
- 2002-04-12 18:27Z
- status
- Archived notice
- self-cancels
- 2002-05-18 02:14Z
- authority
- NAVAREA 474/02
- sea
- North Atlantic Ocean
- position
- 5.406, -50.684
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 2000Z TO 0114Z COMMENCING DAILY 16 APR THRU 17 MAY IN AREA BOUND BY 05-33N 049-42W, 05-25N 049-42W, 05-16N 051-42W, 05-23N 051-43W. 2. CANCEL THIS MSG 180214Z MAY.
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
286 within 180 nm since 1999 · 2 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 141730Z to 141930Z sep in area within 15 miles of 06-00.00N 052-30.00W2026-09-11
- Hazardous operations 041130Z to 041600Z sep in area within three miles of 05-01.00N 051-58.00W2026-09-02
- Hazardous operations 181000Z to 190100Z, 191000Z to 200100Z, 201000Z to 201630Z, 211000Z to 220100Z and…2024-03-13
- Hazardous operations 1200Z to 1500Z and 1800Z to 2030Z daily 11 thru 14 mar in area within five miles of…2024-03-06
- Hazardous operations 201700Z to 201900Z feb in area within three miles of 04-53.07N 052-12.69W2024-02-16
- Hazardous operations 131100Z to 131300Z feb in area within three miles of 04-53.07N 052-12.69W2024-02-08
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 02:03Z; 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.