Quicksilver MX II Sprint accident near Bouse, Arizona, January 14, 2006
On January 14, 2006 at about 4:36 pm local time, a Quicksilver MX II Sprint, an amateur-built aircraft,, registered UNREG, suffered minor damage in an accident near Bouse, Arizona (Bouse airport). It was a personal flight under general aviation rules (Part 91). 1 person was seriously injured and 1 person had minor injuries. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
Loss of engine power after takeoff due to engine overheating and piston seizure.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- January 14, 2006 · about 4:36 pm local time
- Place
- Bouse, Arizona · Bouse · map
- Type
- Accident
- Injuries
- 1 person was seriously injured and 1 person had minor injuries.
- Weather
- visual conditions (good weather)
- Aircraft
- Quicksilver MX II Sprint, amateur-built
- Registration
- UNREG · no longer on the register · serial Unknown
- Damage
- Minor damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
An unregistered two seat ultralight airplane experienced a loss of engine power and impacted a tree. The airplane took off and entered a downwind leg for the airstrip about 200 feet above ground level (agl). When the airplane was about midfield on the downwind, the engine lost power. The aircraft descended and impacted a tree nose first. Examination of the engine revealed indications of over temperature and seizure of the left piston.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
Pilot
- Flight time: 0 hours in all; 0 in this make and model
- Medical certificate: None
- Injury: serious injuries
The aircraft
- Landing gear: fixed
- Engine: Rotax 503 (piston); 0 hours total
The flight
- Departed from: Bouse AZ
- Destination: Bouse AZ
- Flight plan: none
- Runway 35, 2,000 ft by 60 ft
Weather at the time
- Light: daylight
- Visibility: 10 statute miles
- Sky: clear
- Temperature: 59°F (15°C), dew point 23°F (-5°C)
- Altimeter: 29.95 inHg
- Observation at 6:58 pm from KHII, 40 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 1 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
Other NTSB records under UNREG the same tail number, which may have belonged to a different aircraft at the time
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.