NTSB CAROL · Event
Event MIA94LA194
Registry · N10JB
FAA Aircraft Registry record.
Make / Model
DG-FLUGZEUGBAU GMBH LS 10-S
Year of manufacture
2008
Engine
NONE NONE
Seats / Engines
1 seats · 1 engine
Last airworthiness date
20090117
ADS-B equipped
Yes — Mode-S A00325
Registrant of record
BOJACK JOHN
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
AN ENGINE FAILURE DUE TO IMPROPER MAINTENANCE [OVERHAUL] OF THE ENGINE CRANKSHAFT.
Factual narrative
On August 11, 1994, about 1630 central daylight time, an Aerosport Quail, homebuilt airplane, N10JB, registered to Henry W. Schmidt, crashed into a corn field after the engine quit while climbing to the traffic pattern at the Waynesboro Municipal Airport, Waynesboro, Mississippi. The flight was a 14 CFR Part 91 personal flight in the local area and no flight plan was filed. The airplane was substantially damaged and the private- rated pilot received minor injuries. The flight had originated about 15 minutes earlier from the Wayneboro, Mississippi Airport. Examination of the wreckage by FAA personnel revealed no signs of rotational damage on the propeller, and when it was rotated by hand, travel was limited to about 45 degrees either direction. The conversion Volkswagen engine was removed and transported to a local shop for teardown. The teardown revealed that the crankshaft had been installed by an unknown person without the required end play. Without the end play the main bearing failed and the dowel rods scored into the crankshaft. THE EXPERIMENTAL HOMEBUILT AIRPLANE HAD JUST REACHED CRUISE ALTITUDE WHEN THE ENGINE FAILED. THE PILOT EXECUTED A FORCED LANDING TO A CORNFIELD AND THE AIRPLANE WAS SUBSTANTIALLY DAMAGED. EXAMINATION OF THE ENGINE REVEALED THAT THE CRANKSHAFT HAD SEIZED DUE TO THE CRANKSHAFT HAVING NO END PLAY, AS REQUIRED. THE CRANKSHAFT MAIN BEARING HAD ALSO FAILED ALLOWING THE DOWEL RODS TO SCORE INTO THE CRANKSHAFT. THE LOGBOOKS WERE INCOMPLETE; THE PERSON WHO INSTALLED THE CRANKSHAFT COULD NOT BE DETERMINED. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1994_MIA94LA194.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
What the literature says.
Academic papers and agency reports matching this event's aircraft type or causal vocabulary (stall, engine failure, maintenance). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- Embry-Riddle Scholarly Commons 2023 · Conference paper
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- Embry-Riddle Scholarly Commons 2026 · Journal article (IJAAA)
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Modern aviation maintenance operates within increasingly data-intensive technological environments, yet the operational integration of predictive maintenance into routine decision-making remains incon…
- NASA NTRS 2026 · Conference Paper
Computational Analysis of Steady State Aerodynamics of Transonic Truss-Braced Wing Configuration in Deep Stall
This study presents a computational investigation of steady state aerodynamics of the Subsonic Ultra-Green Aircraft Research (SUGAR) Transonic Truss-Braced Wing (TTBW) configuration over a wide range …
- Semantic Scholar 2025 · Article (Applied Sciences)
Decision-Making Framework for Aviation Safety in Predictive Maintenance Strategies
The implementation of predictive maintenance (PM) in aviation presents unique challenges due to strict safety requirements, complex operational environments, and regulatory constraints.
- Embry-Riddle Scholarly Commons 2024 · Journal article (JAAER)
Low-Resource Automatic Speech Recognition Domain Adaptation – A Case-Study in Aviation Maintenance
With timeliness and efficiency being critical in the aviation maintenance industry, the need has been growing for smart technological solutions that optimize and streamline the different underlying ta…
- Embry-Riddle Scholarly Commons 2024 · Journal article (JAAER)
A New Trajectory in UAV Safety: Leveraging Reinforcement Learning for Distance Maintenance Under Wind Variations
In the field of aviation, safety is a critical cornerstone, and the operation of Unmanned Aerial Vehicle (UAV) systems is deeply connected with this principle.
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