Quicksilver MX accident near Aurora, Illinois, August 19, 1984
On August 19, 1984 at about 4:52 pm local time, a Quicksilver MX (ultralight), an amateur-built aircraft,, registered UNREG, was destroyed in an accident near Aurora, Illinois. It was a personal flight under ultralight rules (Part 103). 1 person was seriously injured. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- August 19, 1984 · about 4:52 pm local time
- Place
- Aurora, Illinois
- Type
- Accident
- Injuries
- 1 person was seriously injured.
- Weather
- visual conditions (good weather)
- Aircraft
- Quicksilver MX, amateur-built
- Registration
- UNREG · no longer on the register
- Damage
- Destroyed
- Flight
- Personal flight · ultralight rules (Part 103)
The NTSB's narrative final · quoted from the NTSB record
THE PLT WAS PRACTICING POWER-OFF, SIMULATED FORCED LANDING PATTERS OVER FARM FIELDS. DURING A TURN AT APRX 200 FT AGL, THE ULTRALIGHT DECELERATED TO A VERY SLOW SPEED & SUBSEQUENTLY STALLED. THE PLT WAS UNABLE TO RECOVER FROM THE STALL BEFORE THE ULTRALIGHT IMPACTED THE GROUND. THE WINDS WERE REPORTED TO BE GUSTING TO 15 KTS.
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
- Ratings: single-engine land
- Flight time: 200 hours in all; 200 in this make and model; 200 as pilot in command
- Medical certificate: Unknown
- Seat: ctr
The aircraft
- Last inspection: inspection type not recorded
- Maximum gross weight: 239 lb
- Seats: 1
- Landing gear: fixed
- Engine: Rotax 377 (piston); 0 hours total
The flight
- Departed from: Aurora IL at 4:45 pm
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: at 10 knots, gusting 15
- Visibility: 20 statute miles
- Sky: clear
- Temperature: 79°F (26°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 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.