Hazardous operations
North Atlantic Ocean · NAVAREA IV 298/10
What this record establishes
Archived notice · 2010-07-08 16:54Z
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) · SHOM 081220Z JUL 10.. Issued 2010-07-08 13:35Z. 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 operationscancelled by this notice
- Hazardous operationslater cancellation notice
Current notices and reporting history in the North Atlantic Ocean →
Activity windows · 17 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2010-07-10 07:00Z | 2010-07-10 10:30Z | — | 3 h 30 |
| 2010-07-11 07:00Z | 2010-07-11 10:30Z | — | 3 h 30 |
| 2010-07-12 07:00Z | 2010-07-12 10:30Z | — | 3 h 30 |
| 2010-07-13 07:00Z | 2010-07-13 10:30Z | — | 3 h 30 |
| 2010-07-14 07:00Z | 2010-07-14 10:30Z | — | 3 h 30 |
| 2010-07-15 07:00Z | 2010-07-15 10:30Z | — | 3 h 30 |
| 2010-07-16 07:00Z | 2010-07-16 10:30Z | — | 3 h 30 |
| 2010-07-17 07:00Z | 2010-07-17 10:30Z | — | 3 h 30 |
| … 9 more | |||
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2010-07-08 13:35Z
- status
- Archived notice
- authority
- SHOM 081220Z JUL 10.
- NAVAREA
- NAVAREA IV
- issued by
- SHOM
- sea
- North Atlantic Ocean
- position
- 37.573, -45.490
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
NORTH ATLANTIC.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS:
A. 0700Z TO 1030Z DAILY 10 THRU 26 JUL,
EXCEPT 14 JUL IN AREA BOUND BY
37-43.00N 045-59.00W, 38-05.00N 045-07.00W,
37-37.00N 044-48.00W, 37-15.00N 045-40.00W.
B. 11 THRU 27 JUL, EXCEPT 15 JUL WITHIN
80 MILES OF 37-34.21N 045-29.42W.
2. CANCEL NAVAREA IV 294/10.
3. CANCEL THIS MSG 28 JUL.
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.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- 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
3 within 180 nm since 2010 · 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.
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
31 military exercises listed in force · see all
Record snapshot 2026-09-30 11:15Z; 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.