NTSB CAROL · Event
Event WPR26FA068
Registry · N9540R
FAA Aircraft Registry record.
Make / Model
BEECH K35
Year of manufacture
1959 · 66 years old at event
Engine
CONT MOTOR I0-470 SERIES (260 hp)
Seats / Engines
5 seats · 1 engine
Last airworthiness date
19590903
ADS-B equipped
Yes — Mode-S AD45EB
Registrant of record
GORMAN JEFFRY S
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Factual narrative
On December 23, 2025, about 0841 Pacific standard time, a Beech K35, N9540R, was substantially damaged when it was involved in an accident near Summer Lake, Oregon. The pilot was fatally injured. The airplane was being operated as a Title 14 Code of Federal Regulations Part 91 personal flight. According to preliminary ADS-B flight track data, the airplane departed Susanville Municipal Airport (SVE), Susanville, California about 0730 and flew northwest. About 0752, the pilot requested visual flight rules (VFR) flight following to McNary Field (SLE), Salem, Oregon, with Seattle Air Route Traffic Control Center (ARTCC). About 0759, the airplane was at an altitude of about 10,600 mean sea level (msl) and turned toward the west-northwest, and the pilot reported to the controller that he was turning due to clouds. The controller subsequently relayed a weather report and pilot report (PIREP) for light rime icing near the accident pilot’s location. The data showed that the airplane continued on a west-northwest heading for about 9 minutes and climbed to about 12,170 ft msl, before it began a left 250° turn to the northeast. The controller subsequently relayed another PIREP to the pilot for light rime icing in the area. ADS-B data showed that the airplane continued on a northeasterly heading, at altitudes that varied between 11,370 ft msl and 12,500 ft msl for about 19 minutes. About 0827, the airplane began a left turn to the northwest and climbed to about 12,800 ft msl. About 3 minutes later, the airplane turned right, to the north-northeast and climbed to about 13,100 ft msl. At 0833, the airplane entered a descending right turn and the pilot subsequently reported to the ARTCC controller that the engine lost power. The controller advised the pilot of the closest airport, which was about 13 miles northwest of their location. The pilot subsequently reported that he was in the clouds and that ice was accumulating on the airplane. ADS-B data showed that the airplane continued the descending right turn until the end of the flight track data. The last recorded ADS-B target was at 0841, at an altitude of 6,000 ft msl, about 2,300 ft north of the accident site. An Alert Notice (ALNOT) was issued at 0857 and a ground search was initiated utilizing emergency locator transmitter (ELT) and iPhone crash detection signals being received. The wreckage was located that afternoon by local law enforcement about 13 miles southwest of Summer Lake, Oregon, at an elevation of 5,682 ft msl. Examination of the accident site revealed that the airplane impacted wooded terrain near the Fremont National Forest. The wreckage debris path was about 135 ft in length and oriented on a magnetic heading of about 245°. The first identified point of contact (FIPC) was an approximately 100 ft tall tree that had been topped, about 80 ft above ground level (AGL), 130 ft from the main wreckage. The right wingtip was located about 37 ft from the FIPC. The left stabilizer and elevator were located about 75 ft from the FIPC. The left wing was suspended in a tree about 20 ft above the ground about 110 ft from the FIPC. The main wreckage came to rest inverted, on a magnetic heading of about 238°. All major structural components of the airplane were located throughout the debris path. The wreckage was recovered to a secure facility for further examination. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2025_WPR26FA068.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 (icing). 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 · Contractor Report (CR)
Icing Physics Studies Using the 3D SIDRM Test Article: 2023 Icing Tests Analysis
In-flight icing is an important safety issue and is a factor that affects aircraft design and performance. Newer regulations are driving a need for improvements in airframe and engine icing simulation…
- arXiv 2025 · arXiv preprint
Multi-Agent Deep Reinforcement Learning for UAV-Assisted 5G Network Slicing: A Comparative Study of MAPPO, MADDPG, and MADQN
The growing demand for robust, scalable wireless networks in the 5G-and-beyond era has led to the deployment of Unmanned Aerial Vehicles (UAVs) as mobile base stations to enhance coverage in dense urb…
- Embry-Riddle Scholarly Commons 2025 · Journal article (JAAER)
A Mathematical Model on the Temporal Dynamics of Aviation Competitive Pricing
This study investigates the competitive dynamics of airport pricing using U.S. airport data to validate the findings. It employs linear and nonlinear ordinary differential equation models to analyze t…
- NASA NTRS 2025 · Presentation
NASA Icing Update – March 2025
This NASA Icing Update was prepared for presentation to the SAE International AC-9C Inflight Icing Technology Committee. This update includes the following topics: planned Rotational Icing Scaling tes…
- arXiv 2024 · arXiv preprint
An energy-stable phase-field model for droplet icing simulations
A phase-field model for three-phase flows is established by combining the Navier-Stokes (NS) and the energy equations, with the Allen-Cahn (AC) and Cahn-Hilliard (CH) equations and is demonstrated ana…
- NASA NTRS 2024 · Presentation
NASA Icing Update – Oct 2024
This presentation provides a status update on select NASA icing research activities for the SAE AC-9C Icing Technical Committee Meeting on Oct 21, 2024.
Browse the full corpus — academia portal ↗