CEN12LA146
2012-01-31 · Sheridan, Arkansas, United States · Serious · 1 aircraft · Status: Completed
Airport 9M8
Aircraft involved
Probable cause & findings
The passenger’s interference with the flight controls during the initial climb, which resulted in a loss of control and impact with terrain.
Factual narrative
On January 31, 2012, at 1142 central standard time, a Piper Aircraft, Inc., PA-22-135 single engine airplane, N2677A, impacted terrain and obstructions during initial climb at Sheridan Municipal Airport (9M8), Sheridan, Arkansas. The airplane was registered to and operated by an individual as a personal flight under the provisions of 14 Code of Federal Regulations Part 91. Visual meteorological conditions prevailed and no flight plan was filed. The private pilot was seriously injured and the passenger suffered minor injuries. The airplane was substantially damaged. At the time of the accident the flight was originating from 9M8 for a local flight. During climbout the nose of the airplane started to skid sharply to the left and the pilot lowered the nose to avoid stalling. The airplane descended and impacted terrain on the left side of the runway coming to rest upright in the edge of a tree line. The impact completely separated the engine and propeller from the fuselage and there was substantial damage to both wings, the forward fuselage, and the empennage. The pilot reported that during the initial climb the passenger had suddenly tensed up and the pilot was unable to move the rudder pedals to correct the nose-left skidding because of interference from the passenger who was stepping on the passenger side rudder controls. The passenger reported this was his first flight ever in any aircraft and added that he was certain that his feet were clear and he was not pressing on the rudder pedals. A postaccident examination confirmed flight control continuity and revealed no evidence of mechanical malfunctions or failures that would have precluded normal operation. The pilot reported that the takeoff was normal until the airplane was climbing through about 200 feet above the ground, at which time he observed that the passenger suddenly tensed up. The pilot said he was then unable to move the rudder pedals because the passenger was stepping on the passenger-side rudder controls. The airplane skewed to the left, descended, and impacted terrain on the left side of the runway. A postaccident examination confirmed flight control continuity and revealed no evidence of mechanical malfunctions or failures that would have precluded normal operation. The passenger reported this was his first flight ever in any aircraft. He also reported that he was not pressing on the rudder pedals. However, given the pilot’s experience in the accident airplane and the lack of evidence of a preimpact anomaly, it is likely that the passenger did inadvertently interfere with the rudder pedals. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
NTSB Findings
FAA avdata. C = Cause, F = Factor.
- C Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Yaw control-Attain/maintain not possible - C
- C Personnel issues-Action/decision-Action-Incorrect action performance-Passenger - C
Verbatim from NTSB's published report. Source file
NTSB_2012_CEN12LA146.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 (stall, loss of control). All research papers
- Semantic Scholar 2016 · Article (Interacción) Trajectory Recovery System: Angle of Attack Guidance for Inflight Loss of Control
This paper describes the design and development of an ecological display to aid pilots in the recovery of an In-Flight Loss of Control event due to a Stall (ILOC-S).
- NTSB Aircraft Accident Reports 2010 · Accident report Loss of Control on Approach — Colgan Air Flight 3407
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- 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 …
- 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 …