NTSB CAROL · Event
Event CEN24LA247
Registry · N451M
FAA Aircraft Registry record.
Make / Model
LANCAIR LANCAIR IV P
Year of manufacture
2005 · 19 years old at event
Engine
CONT MOTOR TSIO-550 SER (280 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
20050309
ADS-B equipped
Yes — Mode-S A576E6
Registrant of record
TIMOTHY DUANE HIGH
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot’s failure to extend and verify landing gear extension which resulted in a wheels-up landing. Contributing was the increased workload due to several airplane issues that occurred during the descent in severe turbulence.
Factual narrative
The pilot reported that he was hired to fly the airplane to another airport following a pre-purchase inspection. The preceding pilot informed the pilot of several issues with the airplane including the propeller control and the cabin door. The pilot said he familiarized himself with the airplane and after about three hours of inspections and ground tests determined the airplane was in a safe condition and proceeded with the flight. He reported that during the descent to the destination airport, the turbulence became severe, noting that his head hit the cabin roof twice even though the lap seat belt was secured. The cockpit was loud and as he advanced the throttle after lowering the flaps 10 degrees, the cabin noise increased, and the propeller indications became erratic. Several engine instruments were giving erratic readings as well and the pilot was additionally concerned about the cabin door latches becoming loose in the turbulence. The airplane was operating properly and after a minute the propeller indications stabilized. All these events added to his workload. The pilot said that while approaching to land and after lowering the flaps, he reached for the landing gear handle, noting that these checks were performed in severe turbulence. He visually confirmed that the flaps were fully extended by looking out the side window and believed that he looked at the gear indicator lights but didn’t clearly remember this. He also did not remember shading the landing gear position indicator with his hand as he had done previously. During the landing, the airplane settled onto its belly and the airplane slid to a stop. He noted that after the accident, the landing gear handle and flap handle were both in the mid-position. The airplane sustained substantial damage to the fuselage. When the airplane was being recovered from the runway, aircraft power was turned on and the landing gear selector placed in the fully down position. The landing gear extended and locked into the fully extended position with no anomalies noted. 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).
- — Aircraft-Aircraft systems-Landing gear system-Landing gear selector-Not used/operated
- — Personnel issues-Task performance-Use of equip/info-Use of equip/system-Pilot
- — Environmental issues-Conditions/weather/phenomena-Turbulence-Clear air turbulence-Effect on operation
- — Personnel issues-Psychological-Attention/monitoring-Monitoring equip/instruments-Pilot
Verbatim from NTSB's published report. Source file
NTSB_2024_CEN24LA247.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 (turbulence). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- arXiv 2026 · arXiv preprint
Direct Numerical Simulations of Ice-Ocean Boundary Turbulence
Turbulent heat and freshwater transport at ice-ocean interfaces controls glacier and iceberg melt rates, yet the underlying physics remains poorly constrained.
- Embry-Riddle Scholarly Commons 2025 · Journal article (JAAER)
Political Turbulence and Aviation Safety: A Cross-National Analysis of Political Stability's Effects on Aviation Accidents
To what extent does political stability affect aviation safety? This research aims to link domestic political conditions and public safety through the consideration of aviation accident frequency.
- arXiv 2025 · arXiv preprint
Explainable LiDAR 3D Point Cloud Segmentation and Clustering for Detecting Airplane-Generated Wind Turbulence
Wake vortices - strong, coherent air turbulences created by aircraft - pose a significant risk to aviation safety and therefore require accurate and reliable detection methods.
- arXiv 2024 · arXiv preprint
Does small-scale turbulence matter for ice growth in mixed-phase clouds?
Representing the glaciation of mixed-phase clouds in terms of the Wegener-Bergeron-Findeisen process is a challenge for many weather and climate models, which tend to overestimate this process because…
- arXiv 2023 · arXiv preprint
Effects of electrostatic interaction on clustering and collision of bidispersed inertial particles in homogeneous and isotropic turbulence
In sandstorms and thunderclouds, turbulence-induced collisions between solid particles and ice crystals lead to inevitable triboelectrification.
- SKYbrary (Eurocontrol) 2023 · SKYbrary article
Wake Vortex Turbulence — SKYbrary Knowledge Base
SKYbrary wake vortex turbulence comprehensive article — generation mechanics, dissipation factors, separation standards (ICAO LIGHT/MEDIUM/HEAVY/SUPER + recategorisation RECAT-EU).
Browse the full corpus — academia portal ↗