On October 23, 1988, a Piper J3C-65 (registration N42676) operated by Sevy, Kenneth was involved in an aviation accident near Harrisonville, MO. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
During takeoff in gusty northwest winds, an aircraft encountered a severe downdraft at 100 ft AGL and impacted in a ravine. No preimpact failure found; pilot lacked current medical certificate and biennial flight review.
Accident Sequence
The pilot chose to conduct a takeoff in gusty winds from the northwest. During the northward departure, the aircraft maintained a normal climb rate and airspeed. Approximately 100 feet above ground level (AGL), the aircraft encountered a sudden severe downdraft and was forced to the ground. The impact site was in a ravine roughly one-quarter mile from the departure point.
Investigation Findings
Examination of the wreckage revealed no preimpact component failure or system malfunction. The aircraft had not received an annual inspection as required by regulations. Additionally, the pilot did not possess a current medical certificate and had not completed the required biennial flight review. The pilot reported that the aircraft was slammed to the ground after the downdraft encounter.