NTSB CAROL · Event
Event WPR26LA020
Registry · N2345R
FAA Aircraft Registry record.
Make / Model
PIPER PA-23-250
Year of manufacture
1981 · 44 years old at event
Engine
LYCOMING IO-540 SER (300 hp)
Seats / Engines
6 seats · 2 engines
Last airworthiness date
19810717
ADS-B equipped
Yes — Mode-S A21A73
Registrant of record
BLUE WAVE AIR LLC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Factual narrative
On October 17, 2025, about 1615 mountain daylight time, a Piper PA-23-250, N2345R, was substantially damaged when it was involved in an accident near Condon, Montana. The pilot and two passengers were fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 personal flight. According to a report of preliminary air traffic control (ATC) services, at 1541, the pilot requested a climb to 14,000 ft mean sea level (msl) due to concerns about icing and was also advised of icing in the mid-teens by the controller. The pilot subsequently requested vectors toward lower terrain and then informed the controller that he was unable to maintain altitude before he declared an emergency, citing icing and an issue with the left engine. Salt Lake Center (ZLC) lost radar contact with the airplane at 1615. An airplane in the area attempted to relay communications to the accident airplane, but was unsuccessful. Another airplane advised ZLC that they were able to identify the accident airplane at 4,300 ft msl on ADS-B, northeast of Goat Mountain. Family members notified the Federal Aviation Administration when the flight did not arrive at its destination airport and an Alert Notice (ALNOT) was subsequently issued at 1629. Figure 1: ADS-B Flight track of the accident airplane’s final moments Search and Rescue aircraft were deployed from Malmstrom Air Force Base, along with members of the Missoula County Search and Rescue, Montana Department of Natural Resources and Conservation, and the Powell County Sheriff's Office. The accident site was located on October 18, 2025 in mountainous terrain at an elevation of 5,286 ft msl near Youngs Creek within the Bob Marshall Wilderness. The airplane 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_WPR26LA020.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 ↗