ASN Wikibase Occurrence # 36460
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| Date: | Thursday 10 August 1995 |
| Time: | 10:00 LT |
| Type: |  Quad City Challenger II |
| Owner/operator: | John D Hughlett |
| Registration: | N890JH |
| MSN: | CH20690R0537 |
| Engine model: | Rotax 3609434 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Madisonville, KY -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Nortonville, KY |
| Greenville, KY (M21) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Witnesses reported that they heard intermittent engine sounds and observed the airplane descending towards the ground at a steep angle. Postaccident examination revealed that it had impacted with little forward movement. No evidence of preimpact airframe anomaly was found. The accident flight was the first flight after the student pilot/owner/builder converted the engine to a dual ignition/spark plug system. Examination of the ignition system revealed that the wires going to the magnetic pickups were pinched between the housing and the crankcase mounting surface, and the wire insulation was broken. An FAA Inspector stated that the owner/builder had not followed the manufacturer's recommendation to file a bevel into the edge of the housing during the ignition system conversion. FAA records indicated that the owner/builder had approximately 30 hours total flight time, and relatives reported that he had not flown the accident airplane for about two years.
Probable Cause: an intermittent short of the ignition system, due to improper maintenance/modification of the engine, which resulted in partial loss of engine power; and failure of the pilot to maintain adequate airspeed, which resulted in an inadvertent stall and collision with the ground. A factor relating to the accident was: the pilot's lack of recent flight experience.
Accident investigation:
 |
|
Sources:
NTSB BFO95LA079
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 09-Apr-2024 13:02 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Source, Narrative, Category, Accident report] |
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