Amateur-built QUICKSILVER accident near Lake Worth, Florida, June 19, 1983
On June 19, 1983 at about 10:35 pm local time, a amateur-built QUICKSILVER (ultralight), registered UNREG, was destroyed in an accident near Lake Worth, Florida. 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
- June 19, 1983 · about 10:35 pm local time
- Place
- Lake Worth, Florida · map
- Type
- Accident
- Injuries
- 1 person was seriously injured.
- Weather
- visual conditions (good weather)
- Aircraft
- Amateur-built QUICKSILVER 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 COLLIDED WITH A TREE WHILE ON FINAL APPROACH TO LAND IN AN OPEN AREA. THIS WAS THE PILOT'S FIRST FLT IN AN ULTRALIGHT ACFT. HE SAID THAT THE ACCIDENT HAPPENED WHEN HE MADE AN IMPROPER WEIGHT SHIFT IN AN EFFORT TO AVOID A COLLISION WITH THE TREE. THE PILOT BROKE HIS LEG IN THE COLLISION. WEIGHT SHIFT IN THIS ACFT IS A MEANS OF FLT CONTROL WITH THE ACFT GOING IN THE DIRECTION OF THE SHIFT.
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: airline transport pilot
- Ratings: multi-engine land; single-engine land; instrument: airplane
- Flight time: 3,100 hours in all
- Medical certificate: Class 1 (valid medical--no waivers/lim.)
- Seat: frt
The aircraft
- Airframe total time: 20 hours
- Last inspection: inspection type not recorded; 0 hours since
- Maximum gross weight: 500 lb
- Seats: 1
- Landing gear: fixed
- Engine: Cuyuna 430 (piston); 0 hours total
The flight
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 090° at 10 knots
- Visibility: 12 statute miles
- Sky: scat
- Temperature: 84°F (29°C), dew point 77°F (25°C)
- Altimeter: 29.00 inHg
- Observation at 8:50 pm from PBI, 8 miles away
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.