NTSB CAROL · Event
Event CHI06CA274
Aircraft involved
Probable cause & findings
The pilot's failure to perform a go-around when he noticed the airplane was not on a stabilized final approach. Contributing factors to the accident were the hard landing, the subsequent pilot-induced oscillation (porpoise) which resulted in the collapse of the nose landing gear, and the taxiway sign.
Factual narrative
The airplane porpoised during landing, which resulted in the collapse of the nose landing gear. The pilot stated that he noticed the airplane was "higher than normal and a little fast" during final approach and to correct he "added full flaps slowing down to the right speed, but noticed a faster descent rate." The pilot reported that he increased engine power to arrest the descent, but during the landing flare the airplane's nose "dropped and hit the runway first and ballooned the aircraft back into the air quite abruptly." The pilot stated that he "immediately applied full power for a go around ... the aircraft turned slightly to the right because of a slight crosswind, and there was not enough altitude to nose down and raise the flaps at the same time." The pilot reported that the airplane's nose "sharply dropped and hit the nose gear on the runway for a second time and broke off, hitting the prop and stopping the engine." The pilot stated that the airplane impacted a taxiway sign before coming to a stop. The pilot reported that the accident could have been prevented if he had initiated a go-around after noticing the airplane was not on a stabilized final approach. The airplane porpoised during landing, which resulted in the collapse of the nose landing gear. The pilot stated that he noticed the airplane was "higher than normal and a little fast" during final approach and to correct he "added full flaps slowing down to the right speed, but noticed a faster descent rate." The pilot reported that he increased engine power to arrest the descent, but during the landing flare the airplane's nose "dropped and hit the runway first and ballooned the aircraft back into the air quite abruptly." The pilot stated that he "immediately applied full power for a go around ... the aircraft turned slightly to the right because of a slight crosswind, and there was not enough altitude to nose down and raise the flaps at the same time." The pilot reported that the airplane's nose "sharply dropped and hit the nose gear on the runway for a second time and broke off, hitting the prop and stopping the engine." The pilot stated that the airplane impacted a taxiway sign before coming to a stop. The pilot reported that the accident could have been prevented if he had initiated a go-around after noticing the airplane was not on a stabilized final approach. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2006_CHI06CA274.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, go-around). 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 · Conference Paper
A Training Study to Improve Monitoring During A Go-Around
As part of an FAA program to improve go-around (GA) safety, we were asked to determine if we could improve the performance of the Pilot Monitoring (PM) during a GA maneuver.
- 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…
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