NTSB CAROL · Event
Event LAX93LA041
Aircraft involved
Probable cause & findings
THE PILOT'S INFLIGHT LOSS OF CONTROL FOR REASONS RELATED TO THE IMPROPER INSTALLATION AND FUNCTIONING OF THE RUDDER CONTROL SYSTEM, AND, THE PILOT'S INADVERTENT ENTRY INTO A STALL SPIN.
Factual narrative
THE PILOT OF THE UNREGISTERED AND UNLICENSED EXPERIMENTAL HOMEBUILT REQUESTED A HIGH SPEED TAXI TEST FROM THE ATCT CONTROLLERS WITH AN OPTION TO TAKEOFF FOR CLOSED TRAFFIC. WITNESSES SAID THE AIRCRAFT BECAME AIRBORNE AFTER ABOUT A 150 FOOT GROUND ROLL AND ENTERED A STEEP CLIMB. THE PILOT THEN REPORTED TO ATCT THAT 'I'VE JUST LOST A RUDDER PEDAL.' THE AIRCRAFT THEN FELL OFF ON A WING AND ENTERED A STEEP NOSE DOWN SPIN OR SPIRAL TO GROUND IMPACT. EARLIER IN THE DAY A AIRLINE PILOT WHO ALSO HOLDS AN A & P MECHANIC'S CERTIFICATE TALKED TO THE PILOT AND LOOKED OVER THE AIRCRAFT. THE PILOT TOLD THE WITNESS THAT THE AIRCRAFT HAD NOT FLOWN IN TWO OR THREE YEARS. THE WITNESS SAID HE SAW MANY DISCREPANCIES ON THE AIRCRAFT AS HE WATCHED THE PILOT WORK ON THE RUDDER CABLES IN THE REAR SEAT AREA. SOME ITEMS NOTED BY THE WITNESS WERE: 1) RUDDER CABLES NOT ROUTED CORRECTLY ON THE PULLEYS IN THE COCKPIT AREA, 2) REAR COCKPIT RIGHT RUDDER PEDAL WAS COLLAPSED ON THE FLOOR, AND 3) RUDDER CABLES CONNECTED TO THE WINGLET RUDDERS WITH BUNGEE CORDS WHICH WERE TIED TOGETHER. THE WITNESS SAID HE RECOMMENDED TO THE PILOT THAT IT NOT BE FLOWN. FAA INSPECTORS EXAMINED THE AIRCRAFT AND REPORTED THAT CONTROL SYSTEM CONTINUITY COULD NOT BE ESTABLISHED DUE TO COCKPIT IMPACT DAMAGE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1992_LAX93LA041.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 (stall, loss of control). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- 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
Colgan Air 3407 / Continental Connection (Q400) Buffalo NY, February 12, 2009 — 50 fatalities. Definitive investigation of the Colgan 3407 stall-stick-pusher crash on approach to Buffalo.
- 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…
- arXiv 2025 · arXiv preprint
Quadratic Programming Approach to Flight Envelope Protection Using Control Barrier Functions
Ensuring the safe operation of aerospace systems within their prescribed flight envelope is a fundamental requirement for modern flight control systems.
- 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.
Browse the full corpus — academia portal ↗