Hazardous operations 2110Z to 0023Z daily 18 apr thru 18 may in areas: a. within 12 miles of coastline…
North Atlantic Ocean · NAVAREA IV 147/08
What this record establishes
Archived notice · 2008-04-21 12:46Z
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) · COMSUP GUYANE 6/08 101445Z APR 08.. Issued 2008-04-13 06:22Z. 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 parsed report position is 6.939, -45.244. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.
Related notices and cancellation links
- Cancel NAVAREA 147/08, operations completedlater cancellation notice
Current notices and reporting history in the North Atlantic Ocean →
Activity windows · 31 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2008-04-18 21:10Z | 2008-04-19 00:23Z | — | 3 h 13 |
| 2008-04-19 21:10Z | 2008-04-20 00:23Z | — | 3 h 13 |
| 2008-04-20 21:10Z | 2008-04-21 00:23Z | — | 3 h 13 |
| 2008-04-21 21:10Z | 2008-04-22 00:23Z | — | 3 h 13 |
| 2008-04-22 21:10Z | 2008-04-23 00:23Z | — | 3 h 13 |
| 2008-04-23 21:10Z | 2008-04-24 00:23Z | — | 3 h 13 |
| 2008-04-24 21:10Z | 2008-04-25 00:23Z | — | 3 h 13 |
| 2008-04-25 21:10Z | 2008-04-26 00:23Z | — | 3 h 13 |
| … 23 more | |||
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 2008-04-13 06:22Z
- status
- Archived notice
- self-cancels
- 2008-05-18 01:23Z
- authority
- COMSUP GUYANE 6/08 101445Z APR 08.
- NAVAREA
- NAVAREA IV
- issued by
- COMSUP GUYANE
- sea
- North Atlantic Ocean
- position
- 6.939, -45.244
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 2110Z TO 0023Z DAILY
18 APR THRU 18 MAY IN AREAS:
A. WITHIN 12 MILES OF COASTLINE BETWEEN
05-19N 052-47W AND 05-04N 052-30W.
B. BOUND BY 06-24N 047-43W, 05-53N 047-38W,
05-43N 048-36W, 06-14N 048-41W.
C. BOUND BY 06-13N 046-12W, 05-55N 046-10W,
05-44N 047-50W, 06-03N 047-50W.
D. BOUND BY 07-26N 041-11W, 06-32N 047-44W,
07-02N 047-49W, 07-55N 041-13W.
2. CANCEL THIS MSG 180123Z 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.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- 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
73 within 180 nm since 2000 · 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 142025Z feb to 140005Z mar in areas bound by: a. 05-16N 047-26W, 04-44N 047-27W, 04-47N…2017-02-11
- Hazardous operations2017-01-22
- Hazardous operations2016-12-16
- Hazardous operations2016-03-04
- Hazardous operations2015-07-10
- Hazardous operations2015-04-13
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
9 military exercises listed in force · see all
Record snapshot 2026-10-03 12:24Z; 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.