NTSB CAROL · Event
Event ERA20LA194
Aircraft involved
Probable cause & findings
The partial loss of engine power for reasons that could not be determined based on available evidence.
Factual narrative
On May 21, 2020, about 1912 central daylight time, a Bellanca 8KCAB, N68555, was substantially damaged when it was involved in an accident near Rainbow City, Alabama. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 personal flight. According to the pilot, he was practicing aerobatic maneuvers and when finished, he headed back to the departure airport. During the flight back to the airport the engine started to "cut off and on." Although the engine continued to run, it got worse, and the pilot made the decision to make an emergency landing in a field. After touchdown the pilot was unable to stop the airplane in time to avoid an approaching tree line. The airplane impacted trees and came to a stop. The engine was still running after the impact, and the landing gear and both wings were buckled. The wreckage was examined at the accident site by a Federal Aviation Administration inspector. Both fuel tanks were breached and absent of fuel. The airplane was recovered from the accident site for an engine test run attempt. Prior to the test run, all fuel lines leading to the fuel pumps and fuel servo were examined. All of the fuel lines contained trace amounts of fuel and no debris was observed within them. The mechanical and electrical fuel pumps were checked, and no anomalies were noted. An external fuel tank was plumbed to the mechanical pump for the test run. The fuel-injected engine was started and run for 2 to 3 minutes at various rpms; and no anomalies were noted. According to the pilot, during the flight back to the departure airport after practicing aerobatic maneuvers, the engine started to "cut off and on." The pilot decided to make an emergency landing in a field. The airplane impacted trees, and the landing gear and both wings were buckled. The wreckage examination found that both fuel tanks were breached and absent of fuel. The airplane was recovered from the accident site, and an engine test run was conducted. Prior to the test run, all fuel lines leading to the fuel pumps and fuel servo were examined. The mechanical and electrical fuel pumps were checked, and no anomalies were noted. An external fuel tank was plumbed to the mechanical pump for the test run. The fuel-injected engine was started and run for 2 to 3 minutes at various rpms, and no anomalies were 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).
- C Aircraft-Aircraft power plant-Power plant-(general)-Malfunction - C
- — Not determined-Not determined-(general)-(general)-Unknown/Not determined
Verbatim from NTSB's published report. Source file
NTSB_2020_ERA20LA194.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 (icing). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- NASA NTRS 2026 · Contractor Report (CR)
Icing Physics Studies Using the 3D SIDRM Test Article: 2023 Icing Tests Analysis
In-flight icing is an important safety issue and is a factor that affects aircraft design and performance. Newer regulations are driving a need for improvements in airframe and engine icing simulation…
- arXiv 2025 · arXiv preprint
Multi-Agent Deep Reinforcement Learning for UAV-Assisted 5G Network Slicing: A Comparative Study of MAPPO, MADDPG, and MADQN
The growing demand for robust, scalable wireless networks in the 5G-and-beyond era has led to the deployment of Unmanned Aerial Vehicles (UAVs) as mobile base stations to enhance coverage in dense urb…
- Embry-Riddle Scholarly Commons 2025 · Journal article (JAAER)
A Mathematical Model on the Temporal Dynamics of Aviation Competitive Pricing
This study investigates the competitive dynamics of airport pricing using U.S. airport data to validate the findings. It employs linear and nonlinear ordinary differential equation models to analyze t…
- NASA NTRS 2025 · Presentation
NASA Icing Update – March 2025
This NASA Icing Update was prepared for presentation to the SAE International AC-9C Inflight Icing Technology Committee. This update includes the following topics: planned Rotational Icing Scaling tes…
- arXiv 2024 · arXiv preprint
An energy-stable phase-field model for droplet icing simulations
A phase-field model for three-phase flows is established by combining the Navier-Stokes (NS) and the energy equations, with the Allen-Cahn (AC) and Cahn-Hilliard (CH) equations and is demonstrated ana…
- NASA NTRS 2024 · Presentation
NASA Icing Update – Oct 2024
This presentation provides a status update on select NASA icing research activities for the SAE AC-9C Icing Technical Committee Meeting on Oct 21, 2024.
Browse the full corpus — academia portal ↗