NTSB CAROL · Event
Event CHI99FA147
Aircraft involved
Probable cause & findings
the failure of the pilot to maintain flying speed resulting in a stall and spin into the ground.
Factual narrative
On May 9, 1999, at 1005 central daylight time, a Taylorcraft BC-12D, N96876, piloted by a commercial pilot, collided with the terrain following a loss of control in flight and an uncontrolled descent. Visual meteorological conditions prevailed at the time of the accident. The personal 14 CFR Part 91 flight was not operating on a flight plan. The pilot was fatally injured. The flight departed East Moline, Illinois, exact time unknown. The Jasper County Sheriff's Report stated that the pilot had flown to Newton to attend a family get together and by previous arrangement the pilot would circle his residence and family members would meet the pilot at the Newton Municipal airport. One of the family members said the aircraft flew north, rocked his wings, saying "Hi" and circled the house. This witness said "After that, as the plane was flying north, it proceeded to go up at about a 45 degree angle. It 'appeared' to stall. The plane then either went left or right and 'spiraled' into the ground."
OTHER WITNESSES
One witness said the "Yellow plane buzzed over, turned came back over climbed straight up, nosed over, came down never pulled out, crashed in field." Another witness said "Aircraft circled once over head, the second pass around it went straight up stalled and spinned and hit ground. Never pulled out of spin." Another witness observed "The airplane proceeded in a northerly direction and nose went up and right wing went high and the plane stalled (slow speed)...the maneuver almost appeared to be what is commonly called a 'hammerhead'. The airplane went nose down and turned 1 to 1 1/2 revolutions before it impacted the ground."
PERSONNEL INFORMATION
The pilot held a Commercial Pilot's Certificate in Single Engine land and Sea Ratings and an Instrument Airplane Rating. The pilot had in excess of 925 flight hours.
AIRCRAFT INFORMATION
The last annual inspection noted in the aircraft logbook was on January 2, 1998, at a total aircraft time of 1727 hours with the engine recording 529.0 hours since major overhaul..
WRECKAGE
The wreckage was located about 1/2 mile south of Newton on S74 and 1/4 mile west in a field. The on scene inspection by NTSB investigators revealed flight control continuity. No anomalies with the engine were found that would prevent power development. See attached photographs of accident scene.
SURVIVAL FACTORS
The Chief Deputy of the Jasper County Sheriff's Office wrote in his report: "I made contact with Dr. Francis Garrity, Deputy State Medical Examiner ... He asked me if the plane was equipped with shoulder harness. I told him 'no' and told him about a question had been raised that the victim might not have had his lap belt fastened. Dr Garrity told me that that might be consistent to his observations, as he did not detect bruising consistent with lap belt use on the body."
MEDICAL AND PATHOLOGICAL INFORMATION
An autopsy of the pilot was conducted by the Deputy State Medical Examiner/Pathologist from Des Moines, Iowa. FAA toxicology testing of samples taken from the pilot were negative for ethanol, cyanide, and carbon monoxide. Theophylline was detected in the blood and liver fluid. Witnesses reported that the aircraft was circling a relative's home between 500 and 800-feet above ground level. These witnesses said the airplane pitched up steeply, rolled to the left, then pitched down steeply. The witnesses said the airplane appeared to spin and then collided with the terrain in a steep nose down attitude. The on-scene investigation revealed flight control continuity and no anomalies with the engine that would prevent power development. The airplane was not equipped with a shoulder harness. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1999_CHI99FA147.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 ↗