Hazardous operations 160041Z to 160528Z jan, alternate 170037Z to 170524Z jan in areas bound by: a. 28-39N…
North Atlantic Ocean · NAVAREA IV 8/09
What this record establishes
Archived notice · 2009-01-15 23:19Z
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) · EASTERN RANGE OP #F8910 142340Z JAN 09.. Issued 2009-01-15 01:47Z. 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
- Hazardous operations 140049Z to 140536Z jan, alternate 150044Z to 150532Z jan in areas bound by: a. 28-39N…cancelled by this notice
- Cancel NAVAREA IV 8/09 and this msglater cancellation notice
Current notices and reporting history in the North Atlantic Ocean →
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2009-01-16 00:41Z | 2009-01-16 05:28Z | — | 4 h 47 |
| 2009-01-17 00:37Z | 2009-01-17 05:24Z | — | 4 h 47 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2009-01-15 01:47Z
- status
- Archived notice
- self-cancels
- 2009-01-17 06:24Z
- authority
- EASTERN RANGE OP #F8910 142340Z JAN 09.
- NAVAREA
- NAVAREA IV
- issued by
- EASTERN RANGE OP
- sea
- North Atlantic Ocean
- position
- 19.526, -43.990
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 160041Z TO 160528Z JAN, ALTERNATE
170037Z TO 170524Z JAN IN AREAS BOUND BY:
A. 28-39N 080-38W, 28-38N 080-25W,
28-32N 079-55W, 28-26N 079-56W,
28-27N 080-32W.
B. 27-56N 071-46W, 27-33N 069-42W,
26-33N 069-48W, 26-52N 071-51W.
C. 23-02N 047-53W, 17-50N 035-36W,
15-10N 036-18W, 20-06N 049-24W.
2. CANCEL NAVAREA IV 3/09.
3. CANCEL THIS MSG 170624Z JAN.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.
- 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.
- Cancellation reference
- A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
- NAVAREA
- One of the 21 ocean areas of the World-Wide Navigational Warning Service, each with a coordinator that broadcasts long-range warnings.
- CANCEL THIS MSG
- The warning's own expiry: a line telling the reader when the message cancels itself.
Collected reports in this area · military exercises
12 within 180 nm since 2004 · 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 171230Z thru 200123Z sep in areas bound by: a. 28-56N 079-59W, 29-02N 079-53W, 29-06N…2021-09-15
- Hazardous operations 171230Z thru 200123Z sep in areas bound by: a. 28-56N 079-59W, 29-02N 079-53W, 29-06N…2021-09-15
- Hazardous operations2010-11-19
- Hazardous operations2010-11-18
- Hazardous operations2010-11-14
- Hazardous operations 180033Z to 180520Z jan, alternate 190029Z to 190516Z jan in areas bound by: a. 28-39N…2009-01-15
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
17 military exercises listed in force · see all
Record snapshot 2026-09-25 00:34Z; 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.