NTSB CAROL · Event
Event CEN25FA148
Registry · N5RR
FAA Aircraft Registry record.
Make / Model
ANUSIEWICZ CASSUTT III M
Year of manufacture
1974 · 51 years old at event
Engine
CONT MOTOR 0-200 SERIES (100 hp)
Seats / Engines
1 seats · 1 engine
Last airworthiness date
19821021
ADS-B equipped
Yes — Mode-S A636C5
Registrant of record
MCALLISTER ROBERT D
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Factual narrative
On April 8, 2025, about 1459 central daylight time, a Cassutt III M airplane, N5RR, was substantially damaged when it was involved in an accident near Haskell, Oklahoma. The pilot was fatally injured. The aircraft was operated as a Title 14 Code of Federal Regulations Part 91 personal flight. A witness stated that he was standing in front of the accident pilot’s hangar and had observed the pilot complete two or three laps around the airport traffic pattern. On the final lap, he said the pilot flew the length of the runway at about 100 feet above the ground and then saw the airplane pitch nose up steeply off the end of the runway. The airplane climbed until the airplane slowed down, at which point the airplane leveled off and turned through crosswind to the downwind leg of the traffic pattern where it began to pick up speed once again. He stated that the pilot had routinely done this maneuver in the past. The witness stated that while the airplane was on the downwind leg of the traffic pattern, it entered an aileron roll, and while upside down, the nose dipped towards the ground and the airplane began to lose altitude. The airplane continued through the roll, and it looked like the pilot had managed to level the wings of the airplane and was in the process of pulling out of the ensuing shallow dive but didn’t have enough altitude to do so. The airplane impacted the ground at a shallow angle, bounced and tumbled with components separating from the airplane. According to the witness, it all happened in about 5 seconds and that it occurred very fast. The witness stated that he had never seen the pilot perform any aerobatic type maneuvers in the past. Multiple witnesses stated that the engine was running at full power at the time of the accident and heard no indication of an engine issue. The airplane was examined at the accident site, and all major components of the airplane were present. Control cable continuity was verified, and no flight control anomalies were noted. The engine exhibited impact damage and no anomalies were noted. Wood propeller blade fragments were found on and in the ground at the initial point of impact. The propeller hub remained attached to the propeller mounting flange. The pilot’s cellphone was recovered at the accident site, and a cursory examination of the phone provided flight track data from an application installed on the phone. No phone calls or texts were present at the time of the accident. The phone was retained for further examination. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2025_CEN25FA148.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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