An amateur-built aircraft accident near Sheboygan Falls, Wisconsin, September 19, 1982
On September 19, 1982 at about 4:00 pm local time, a an amateur-built aircraft (helicopter), registered N49JF, was destroyed in an accident near Sheboygan Falls, Wisconsin. It was a personal flight under general aviation rules (Part 91). 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
- September 19, 1982 · about 4:00 pm local time
- Place
- Sheboygan Falls, Wisconsin · map
- Type
- Accident
- Injuries
- 1 person was seriously injured.
- Weather
- visual conditions (good weather)
- Aircraft
- An amateur-built aircraft
- Registration
- N49JF · registry record · serial 31577
- Damage
- Destroyed
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PILOT MADE A TURN AFTER TAKEOFF AND THE AIRCRAFT VIBRATED AND CRASHED. NO MALFUNCTION WAS FOUND.
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, student
- Ratings: single-engine land; rotorcraft: helicopter
- Flight time: 110 hours in all; 10 in this make and model; 15 in the last 90 days; 3 in the last 30 days; 90 as pilot in command
- Medical certificate: Class 3 (invalid medical for flight)
- Seat: unk
The aircraft
- Airframe total time: 55 hours
- Last inspection: inspection type not recorded; 55 hours since
- Maximum gross weight: 1,100 lb
- Seats: 1
- Landing gear: fixed
- Engine: Rotorway RW-133 (piston); 0 hours total
The flight
- Departed from: Sheboygan Falls WI at 10:59 am
- Destination: Sheboygan Falls WI
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 220° at 10 knots
- Visibility: 15 statute miles
- Sky: not recorded; clear
- Temperature: 165°F (74°C), dew point 0°F (-18°C)
- Altimeter: 29.00 inHg
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.
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.