NTSB CAROL · Event
Event NYC07CA215
Aircraft involved
Probable cause & findings
The pilot's failure to maintain adequate clearance from trees while maneuvering.
Factual narrative
According to several witnesses, the un-registered amateur built Hummel Aviation Ultra Cruiser departed the airport on the second flight of the day. After maneuvering in the vicinity of the airport, the airplane flew at a low altitude, and descended, toward the approach end of the runway opposite of its initial departure. One witness watched as the airplane struck trees near the end of the runway, and the other witness lost sight of the airplane before hearing the sounds of impact. Another witness commented that he heard the engine operating continuously, with no noted changes in engine rpm. Examination of a broken tree branch, identified as the initial impact point, and the wing of the airplane revealed that they both exhibited signatures consistent with a wings level impact attitude. No evidence of any pre-impact failures or malfunctions of the airframe or engine were noted. The pilot held a student pilot certificate, which was issued more than 9 years prior to the date of the accident flight. No maintenance records were available; however, according to witnesses, the accident flight was the second flight since the pilot had completed construction of the airplane. The un-registered amateur built Hummel Aviation Ultra Cruiser departed the airport on the second flight of the day. After maneuvering in the vicinity of the airport, the airplane flew at a low altitude, and descended towards the approach end of the runway opposite of its initial departure. The airplane subsequently struck trees near the end of the runway. Examination of a broken tree branch, identified as the initial impact point, and the wing of the airplane revealed that the airplane impacted the tree in wings level attitude. No evidence of any pre-impact failures or malfunctions of the airframe or engine were noted. The pilot held a student pilot certificate, which was issued more than 9 years prior to the date of the accident flight. No maintenance records were available; however, according to witnesses, the accident flight was the second flight since the pilot had completed construction of the airplane. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2007_NYC07CA215.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 (maintenance). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- Embry-Riddle Scholarly Commons 2026 · Journal article (IJAAA)
From Reactive to Predictive: A hybrid Trust-Mediated Adoption Framework for Data-Driven Maintenance in Distributed-Authority Aviation Environments
Modern aviation maintenance operates within increasingly data-intensive technological environments, yet the operational integration of predictive maintenance into routine decision-making remains incon…
- Semantic Scholar 2025 · Article (Applied Sciences)
Decision-Making Framework for Aviation Safety in Predictive Maintenance Strategies
The implementation of predictive maintenance (PM) in aviation presents unique challenges due to strict safety requirements, complex operational environments, and regulatory constraints.
- Embry-Riddle Scholarly Commons 2024 · Journal article (JAAER)
Low-Resource Automatic Speech Recognition Domain Adaptation – A Case-Study in Aviation Maintenance
With timeliness and efficiency being critical in the aviation maintenance industry, the need has been growing for smart technological solutions that optimize and streamline the different underlying ta…
- Embry-Riddle Scholarly Commons 2024 · Journal article (JAAER)
A New Trajectory in UAV Safety: Leveraging Reinforcement Learning for Distance Maintenance Under Wind Variations
In the field of aviation, safety is a critical cornerstone, and the operation of Unmanned Aerial Vehicle (UAV) systems is deeply connected with this principle.
- Embry-Riddle Scholarly Commons 2024 · Journal article (IJAAA)
Just Culture in Aviation: A Metaphorical Study on Aircraft Maintenance Students
Just Culture, a sub-dimension of safety culture, has been a prominent and debated topic in aviation safety in recent years.
- Embry-Riddle Scholarly Commons 2024 · Journal article (IJAAA)
Performance PRISM: A Comprehensive Framework For Performance Measurement In Aircraft Maintenance
Aircraft maintenance is governed by rigorous safety requirements and high operational complexity, demanding robust performance measurement frameworks to ensure optimal maintenance practices.
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