NTSB CAROL · Event
Event ERA10CA336
Registry · N363SX
FAA Aircraft Registry record.
Make / Model
SONEX AIRCRAFT SONEX
Year of manufacture
2009 · 1 years old at event
Engine
VOLKSWAGEN CONVERSION (36 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
20090228
ADS-B equipped
Yes — Mode-S A41917
Registrant of record
LEMPA LEONARD V
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot's improper flare, resulting in a hard landing.
Factual narrative
The pilot stated he entered the traffic pattern for landing, completed all required checklist items, and made a visual approach to the grass adjacent to the runway. He flared the airplane high, the airplane landed hard, separated the left main landing gear, and nosed over inverted. The airplane received structural damage to the right wing and vertical stabilizer. The pilot reported no anomalies with the airplane before the accident. Review of the pilot's logbook revealed he has 67.4 total flight hours of which 4.1 hours are in make and model. The pilot stated that he entered the traffic pattern for landing, completed all required checklist items, and made a visual approach to the grass area adjacent to the runway. He flared the airplane high and the airplane touched down hard. As a result of the hard landing, the left main landing gear separated and the airplane nosed over inverted. The pilot reported no preimpact anomalies with the airplane. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
NTSB Findings
Hierarchical cause / factor breakdown from the FAA bulk avdata database. Each finding tagged C (Cause) or F (Factor).
- C Personnel issues-Action/decision-Action-Incorrect action performance-Pilot - C
- C Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Landing flare-Incorrect use/operation - C
Verbatim from NTSB's published report. Source file
NTSB_2010_ERA10CA336.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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