DEN06CA123
2006-09-09 · Crossville, Tennessee, United States · Serious · 1 aircraft · Status: Completed
Airport CSV
Aircraft involved
Probable cause & findings
A loss of control in flight due to a disconnected rudder control cable. Contributing to the accident was the pilot's inability to control the roll.
Factual narrative
According to the Pilot/Operator Aircraft Accident Report (NTSB Form 6120.1) submitted by the pilot he was departing from runway 26 (5,148 feet by 100 feet, asphalt). The pilot stated that at 50 to 60 feet above ground level, the airplane did not seem to perform as usual, "although the engine seemed to be putting out its normal amount of power." At this time the airplane "began a rapid roll to the left." The pilot countered the roll but was not able to roll back upright. He elected to perform a forced landing to the grass to the left of the runway environment. The bi-plane came to rest 15 feet off the runway surface, on its right side. The lower right wing was bent up 90 degrees at the wing root and the lower left wing was wrinkled and bent down. The upper left wing was bent and wrinkled, the outboard portion of the left elevator was crushed, and the propeller fragmented. According to the routine aviation weather report (METAR), the winds were 130 degrees at 3 knots. An examination of the airplane's systems, conducted by the Federal Aviation Administration, revealed the left rudder cable and spring had separated from the rudder control surface. It was not established if this separation took place during the impact or prior to the accident. An examination of the remaining airplane systems revealed no anomalies. According to the pilot he was departing from runway 26. The pilot stated that at 50 to 60 feet above ground level, the bi-plane did not seem to perform as usual, "although the engine seemed to be putting out its normal amount of power." At this time the airplane "began a rapid roll to the left." The pilot countered the roll but was not able to roll back upright. He elected to perform a forced landing to the grass to the left of the runway environment. The airplane came to rest 15 feet off the runway surface, on its right side, resulting in substantial damage. An examination of the airplane's systems, conducted by the Federal Aviation Administration, revealed the left rudder cable and spring had separated from the rudder control surface. It was not established if this separation took place during the impact or prior to the accident. An examination of the remaining airplane systems revealed no anomalies. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2006_DEN06CA123.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
Matched on aircraft type or causal vocabulary (loss of control). All research papers
- Embry-Riddle Scholarly Commons 2025 · Journal article (JAAER) A Scoping Review of Aviation Loss of Control Inflight Research
Loss of control – inflight (LOC-I) contributes to aircraft accidents at unacceptably high rates. Significant industry efforts and research have aimed to improve LOC-I prevention, detection, and recove…
- SKYbrary (Eurocontrol) 2024 · SKYbrary article Loss of Control In-Flight (LOC-I) — SKYbrary Knowledge Base
SKYbrary comprehensive knowledge-base entry on Loss of Control In-Flight — definitions, contributing factors, accident case studies (Air France 447, Colgan 3407), and prevention strategies.
- Semantic Scholar 2024 · Article (International Conference on Networking and Services) Risk Assessment of Loss of Control In-Flight Trajectories for Urban Air Mobility Safety
In Urban Air Mobility (UAM), maintaining a minimum separation between aircraft is a safety requirement, which becomes challenging amidst congested air traffic and off-nominal conditions, such as Loss …
- NTSB Aircraft Accident Reports 2022 · Accident report Loss of Control on Takeoff in Icing Conditions — Citation 560XL
Cessna Citation 560XL fatal takeoff icing accident, March 2018. Investigation of a Citation 560XL loss-of-control takeoff accident in icing conditions.
- Semantic Scholar 2021 · Article (Aviation) ANALYSIS OF GENERAL AVIATION FIXED-WING AIRCRAFT ACCIDENTS INVOLVING INFLIGHT LOSS OF CONTROL USING A STATE-BASED APPROACH
Inflight loss of control (LOC-I) is a significant cause of General Aviation (GA) fixed-wing aircraft accidents. The United States National Transportation Safety Board’s database provides a rich source…
- NASA NTRS 2021 · Presentation Use of Design of Experiments in Determining Neural Network Architectures for Loss of Control Detection
Abstract—We describe empirical methods for selecting a neural network architecture to implement belief state inference on generic commercial transport aircraft.