Piper PA-20-115 accident near Mosinee, Wisconsin, August 3, 1986
On August 3, 1986 at about 2:58 pm local time, a Piper PA-20-115, registered CGHGF, was substantially damaged in an accident near Mosinee, Wisconsin (Central Wisconsin Airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 2 people were on board or involved. 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 3, 1986 · about 2:58 pm local time
- Place
- Mosinee, Wisconsin · Central Wisconsin Airport · map
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Piper PA-20-115 · all PA-20-115s on the register
- Registration
- CGHGF · no longer on the register · serial 20-305
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
FOLLOWING DEPARTURE FROM OSHKOSH, WI, THE PLT PROCEEDED DIRECTLY TO CENTRAL WISCONSIN AIRPORT, MOSINEE, WI, AT APRX 2500 FT MSL. AFTER RECEIVING AN ARPT ADVISORY FROM THE CENTRAL WISCONSIN UNICOM, THE PLT LANDED ON RWY 26. ACCORDING TO THE PLT, A 30-35 DEG CROSSWIND OF ABOUT 10 KNOTS GUSTING TO 15 KNOTS EXISTED AT THE TIME. THE PLT REPORTED THAT DURING THE LANDING ROLL HE REPOSITIONED HIS FEET ON THE RUDDER CONTROLS AND THE ACFT IMMEDIATELY SWERVED. THE PLT STATED THAT IN AN ATTEMPT TO REGAIN DIRECTIONAL CONTROL, HE OVERCORRECTED AND THE ACFT GROUND LOOPED.
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
- Flight time: 437 hours in all; 63 in this make and model; 47 in the last 90 days; 332 as pilot in command
- Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 1,717 hours
- Last inspection: annual inspection, December 20, 1984; 58 hours since
- Maximum gross weight: 1,800 lb
- Seats: 4
- Landing gear: fixed
- Engine: Lycoming O-290-D (piston); 0 hours total
The flight
- Departed from: OSH Oshkosh WI at 1:53 pm
- Destination: CWA Mosinee WI
- Flight plan: none
- Runway 26, 7,645 ft by 150 ft
Weather at the time
- Light: daylight
- Wind: from 290° at 6 knots
- Visibility: 15 statute miles
- Sky: clear
- Temperature: 68°F (20°C), dew point 57°F (14°C)
- Altimeter: 30.00 inHg
- Observation at 2:45 pm from CWA
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.
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.