NTSB CAROL · Event
Event LAX06CA070
Registry · N198X
FAA Aircraft Registry record.
Make / Model
PILATUS AIRCRAFT LTD PC-24
Year of manufacture
2020
Engine
WILLIAMS FJ44-4A-QPM
Seats / Engines
9 seats · 2 engines
Last airworthiness date
20211220
ADS-B equipped
Yes — Mode-S A187F0
Registrant of record
KENMORE CREW LEASING INC TRUSTEE
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The student's failure to maintain adequate airspeed, and the instructor's inadequate supervision and delayed remedial action, which resulted in a stall/mush.
Factual narrative
On December 27, 2005, about 1446 Pacific standard time, a Socata TBM 700, N198X, collided with the ground while on short final approach to runway 06 at the General Wm. J. Fox Airfield (WJF), Lancaster, California. The right wing separated from the airframe during the subsequent impact with the ground. The airplane was substantially damaged during the impact sequence and during the post impact ground fire. The pilot receiving instruction owned the airplane. Both the airline transport certificated pilot, who was providing dual flight instruction to the airplane owner, and the owner sustained minor injuries. Visual meteorological conditions prevailed, and no flight plan had been filed. The instructional flight originated from Camarillo, California, about 1330. Both pilots provided the National Transportation Safety Board investigator with verbal and written statements regarding the accident flight. In pertinent part, the airplane owner reported that he had recently purchased the airplane. The purpose of the flight was to receive dual flight instruction in the airplane in order to become more acquainted with its handling characteristics. The owner met with his certified flight instructor (CFI) and received a briefing regarding the upcoming lesson. The flight was to include various maneuvers between 9,500 and 10,500 feet mean sea level. This was to be followed by takeoff and landing practice at WJF. After performing the maneuvers, the CFI directed the owner to perform a simulated engine-out approach to WJF. Accordingly, the engine power was reduced between 8 and 10 percent torque, and the owner glided toward the airport. After arriving over the airport, the owner entered a "close in" downwind for runway 06, and the pilots received a clearance to land. At the direction of the CFI, the owner performed a "left circle base to the runway." The landing gear was lowered, and the owner questioned the CFI regarding whether they could glide all the way to the runway. The CFI indicated to the owner that the airplane was in position to make the landing. The CFI directed the owner to maintain 90 knots airspeed. During the circling approach, as the airplane turned from the close in base leg onto the final approach leg, the CFI told the owner "don't bank." The owner rolled the wings level. Immediately thereafter, the left bank began a second time and the CFI again said, "Don't bank." The owner replied, "I'm not." Neither pilot recalled hearing the stall warning horn activate in the manner in which it had functioned during the earlier higher altitude maneuvers. Neither pilot recalled the airplane buffeting. The CFI applied engine power and right rudder. The airplane stopped rolling left, and then rolled into a right bank, whereupon the right wing impacted the ground. The Federal Aviation Administration (FAA) coordinator examined the accident site and airplane wreckage. He reported observing a ground scar that was consistent with the initial point of impact being upwind of runway 06's landing threshold and beyond the north edge of the runway. The outboard lower portion of the right wing was the first airframe component to impact the ground. According to the FAA inspector, the CFI indicated that during the last few seconds of flight he had applied full right rudder to reduce the left bank. At no time did the CFI direct his student to release the airplane's flight controls. Runway 06 at WJF, elevation 2,348 feet mean sea level, is 7,201 feet long by 150 feet wide. At the time of the mishap, the reported weather was as follows: Wind from 050 degrees at 7 knots; 10 miles visibility; scattered clouds at 15,000 feet; and temperature/dew point at 21/4 degrees Celsius, respectively. The airplane stalled on short final approach, and it impacted the ground. The purpose of the flight was for the student to receive dual flight instruction to become more acquainted with the airplane's handling characteristics. The student met with his certified flight instructor and received a briefing regarding the upcoming lesson involving, in part, takeoff and landing practice. The instructor directed his student to perform a simulated engine out approach, and engine power was reduced as the airplane glided toward the airport. The student entered a close in downwind approach and, at the direction of the instructor, then performed a left circling turn onto the base and final approach legs. The landing gear was lowered, and the student questioned the instructor regarding whether they could glide all the way to the runway. The instructor advised his student to maintain 90 knots airspeed. During the descent, as the airplane turned from the close in base leg onto the final approach leg, the instructor told his student "don't bank." The student rolled the wings level. Immediately thereafter, the left bank began a second time and the instructor again said, "Don't bank." The student replied, "I'm not." The instructor applied engine power and right rudder to reduce the left bank. The airplane stopped rolling left, and then rolled into a right bank, whereupon the right wing impacted the ground. At no time did the instructor direct his student to release the airplane's flight controls. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2005_LAX06CA070.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). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- 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 …
- arXiv 2023 · arXiv preprint
Automating Bird Diverter Installation through Multi-Aerial Robots and Signal Temporal Logic Specifications
This paper tackles the task assignment and trajectory generation problem for bird diverter installation using a fleet of multi-rotors.
- arXiv 2023 · arXiv preprint
Variation of Critical Crystallization Pressure for the Formation of Square Ice in Graphene Nanocapillaries
Two-dimensional square ice in graphene nanocapillaries at room temperature is a fascinating phenomenon and has been confirmed experimentally.
- arXiv 2023 · arXiv preprint
Polycrystallinity enhances stress build-up around ice
Damage caused by freezing wet, porous materials is a widespread problem, but is hard to predict or control. Here, we show that polycrystallinity makes a great difference to the stress build-up process…
- arXiv 2022 · arXiv preprint
Enhanced Prediction of Three-dimensional Finite Iced Wing Separated Flow Near Stall
Icing on three-dimensional wings causes severe flow separation near stall. Standard improved delayed detached eddy simulation (IDDES) is unable to correctly predict the separating reattaching flow due…
- Embry-Riddle Scholarly Commons 2021 · Journal article (JAAER)
Analysis on the Negative Emotional, Physiological, and Cognitive Responses Elicited from of the Activation of a Stall Alarm
Failing to identify an aerodynamic stall can lead to the inability of an aircraft to sustain flight. To warn pilots of an impending or fully-developed stall, many aircraft have safety devices installe…
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