Grumman-Schweizer G-164A accident near Winona, Kansas, May 20, 1986
On May 20, 1986 at about 10:30 pm local time, a Grumman-Schweizer G-164A, registered N6680Q, was substantially damaged in an accident near Winona, Kansas. It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).
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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 September 29, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- May 20, 1986 · about 10:30 pm local time
- Place
- Winona, Kansas · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Grumman-Schweizer G-164A
- Registration
- N6680Q · registry record · serial 1699
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PILOT STATED THAT HE BORROWED THE AIRPLANE FROM HIS FATHER TO PRACTICE TAKEOFFS AND LANDINGS AT HIS FATHER'S PRIVATE, CROP DUSTING AIRSTRIP. THERE WERE NO CHEMICALS ONBOARD, ACCORDING TO THE PILOT. HE FURTHER STATED THAT ON A GO-AROUND MANEUVER, AND AS HE TRIED TO GO OVER A BUILDING, THE ENGINE LOST POWER AND HE WAS FORCED TO LAND THE AIRCRAFT IN A OPEN FIELD. THE AIRCRAFT STALLED, TOUCHED DOWN HARD, BOUNCED, THEN NOSED OVER. WINDS WERE FROM THE SOUTHEAST AT 16 KNOTS AND THE PILOT WAS USING RUNWAY 09. DENSITY ALTITUDE WAS DETERMINED TO 5,600 FEET. CAUSE OF THE REPORTED LOSS OF POWER WAS NOT DETERMINED.
The NTSB's narratives can run to many pages; this is the opening. Read the full report at the NTSB.
About this page
Everything above comes from the NTSB's public accident database and is rewritten in plain English only where the NTSB used codes; the probable cause and narrative are the NTSB's own words. This site never names pilots, passengers or anyone else involved. A preliminary report describes what is known soon after the event and can change; the final report, with the probable cause, usually follows one to two years later and this page is refreshed when it does. Case number MKC86LA114.