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GAA16CA088

2015-12-20 · Middle River, Maryland, United States · None · 1 aircraft · Status: Completed

Airport MTN

Aircraft involved

Probable cause & findings

The pilot's incorrect installation of the rudder horn and failure to properly inspect the installation, which led to a loss of directional control during takeoff.

Factual narrative

The pilot of the experimental amateur built airplane reported that during the takeoff roll the airplane veered to the left. As the airplane neared the left edge of the runway, the pilot rotated the airplane in an attempt to be come airborne, but the airplane aerodynamically stalled three feet above the runway and then impacted the runway nose first. The pilot reported that he performed a post-accident inspection of the airplane with the assistance of another pilot, and he discovered that he installed the rudder control horn upside down. The improper installation reversed the rudder control input. When right rudder input was needed during takeoff to overcome the airplane's left turning tendency precipitated by the engine and propeller, pushing on the right rudder pedal made the airplane turn left. The pilot recommended that he verify proper control connections after maintenance. The pilot of the experimental amateur built airplane reported that during the takeoff roll the airplane veered to the left. As the airplane neared the left edge of the runway, the pilot rotated the airplane in an attempt to be come airborne, but the airplane aerodynamically stalled three feet above the runway and then impacted the runway nose first. The pilot reported that he performed a post-accident inspection of the airplane with the assistance of another pilot, and he discovered that he installed the rudder control horn upside down. The improper installation reversed the rudder control input. When right rudder input was needed during takeoff to overcome the airplane's left turning tendency precipitated by the engine and propeller, pushing on the right rudder pedal made the airplane turn left. The pilot recommended that he verify proper control connections after maintenance. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12

NTSB Findings

FAA avdata. C = Cause, F = Factor.

  • C Aircraft-Aircraft structures-Empennage structure-Rudder-Incorrect service/maintenance - C
  • C Personnel issues-Task performance-Maintenance-Installation-Pilot - C
  • C Personnel issues-Task performance-Inspection-Post maintenance inspection-Pilot - C

Verbatim from NTSB's published report. Source file NTSB_2015_GAA16CA088.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Related research

Matched on aircraft type or causal vocabulary (stall, maintenance). All research papers