Hazardous operations 220448Z to 220714Z jul, alternate 230444Z to 230710Z jul within 30 miles of trackline…
Gulf of Guinea · NAVAREA XII 248/99
What this record establishes
Archived notice · 1999-07-22 09:20Z
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) · CCAFS 45RANS SCHEDULING CENTER OP #6204 200800Z JUL 99. Issued 1999-07-21 13:02Z. 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
- Gulf of Guinea. 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 220448Z to 220714Z jul, alternate 230444Z to 230710Z jul within 30 miles of trackline…cancelled by this notice
- Cancel NAVAREA XII 248/99 and this msglater cancellation notice
Current notices and reporting history in the Gulf of Guinea →
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 1999-07-22 04:48Z | 1999-07-22 07:14Z | — | 2 h 26 |
| 1999-07-23 04:44Z | 1999-07-23 07:10Z | — | 2 h 26 |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
- issued
- 1999-07-21 13:02Z
- status
- Archived notice
- self-cancels
- 1999-07-23 08:10Z
- authority
- CCAFS 45RANS SCHEDULING CENTER OP #6204 200800Z JUL 99
- NAVAREA
- NAVAREA XII
- issued by
- CCAFS
- sea
- Gulf of Guinea
- position
- 4.547, 0.150
- source
- NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z
Original warning text
1. HAZARDOUS OPERATIONS 220448Z TO 220714Z JUL, ALTERNATE 230444Z TO 230710Z JUL WITHIN 30 MILES OF TRACKLINE JOINING 02-47N 177-05E, 04-08N 179-25E, 05-31N 178-08W, 06-53N 175-41W, 08-15N 173-13W, 09-17N 171-19W, 10-36N 168-49W, 11-55N 166-17W, 13-12N 163-43W, 14-27N 161-08W, 15-41N 158-30W, 16-56N 156-07W, 18-04N 153-27W, 19-10N 150-45W, 20-13N 148-01W, 21-06N 145-33W, 21-58N 143-01W, 22-53N 140-10W, 23-44N 137-16W, 24-31N 134-20W, 25-15N 131-21W, 26-04N 127-36W. 2. CANCEL NAVAREA XII 238/99 AND 245/99. 3. CANCEL THIS MSG 230810Z 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.
- 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.
- Within a radius of
- A circular area — every position within a stated distance of a point.
- Track line joining
- Introduces a route through a series of positions — a cable route, a tow's track or a survey line.
- 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
11 within 180 nm since 1999 · 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.
- Gunnery exercises on 28 feb in area within ten miles of 05-46N 002-14E2020-02-25
- Hazardous operations 1631Z to 1830Z daily 06 thru 31 mar in area bound by 03-12N 000-54W, 02-56N 002-14E,…2018-03-01
- Hazardous operations 200001Z to 201800Z nov within 20 miles of 03-40N 001-40W1999-11-18
- Hazardous operations 230404Z to 230826Z jul within 30 miles of trackline joining 02-47N 177-05E, 04-08N…1999-07-22
- Hazardous operations 230404Z to 230826Z jul within 30 miles of trackline joining 02-47N 177-05E, 04-08N…1999-07-22
- Hazardous operations 220448Z to 220714Z jul, alternate 230444Z to 230710Z jul within 30 miles of trackline…1999-07-21
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 18:17Z; 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.