Eipper QUICKSILVER MX accident near Brighton, Colorado, September 20, 1984
On September 20, 1984 at about 3:50 pm local time, a Eipper QUICKSILVER MX (ultralight), registered UNREG, was destroyed in an accident near Brighton, Colorado. It was a personal flight under ultralight rules (Part 103). 1 person was killed. 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
- September 20, 1984 · about 3:50 pm local time
- Place
- Brighton, Colorado · map
- Type
- Accident
- Injuries
- 1 person was killed.
- Weather
- visual conditions (good weather)
- Aircraft
- Eipper QUICKSILVER MX QUICKSILVE
- 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 ULTRALIGHT WAS TURNING IN A SPIRAL TURN TO THE RIGHT WHEN WITNESSES HEARD THE ENGINE STOP. THE ACFT WENT INTO A SPINAND CRASHED. WITNESSES SAID THE PLT HAD BEEN DOING THIS BEFORE WITH A PULL OUT AT ABOUT 50 FT AGL AND A RESTART OF THE ENGINE. THE HEIGHT OF THE ACFT AT SPIN ENTRY WAS ABOUT 500 FT AGL. EXAMINATION OF THE VEHICLE REVEALED THAT THE SWITCH FOR START/STOP WAS IN THE OFF POSITION.
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
- Certificate: private
- Ratings: single-engine land; instructor: airplane single-engine
- Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
- Seat: frt
The aircraft
- Last inspection: inspection type not recorded
- Seats: 1
- Landing gear: fixed
- Engine: Rotax 377 (piston); 0 hours total
The flight
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Visibility: 50 statute miles
- Sky: clear
- Temperature: 70°F (21°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.