ERA11CA309
2011-05-21 · Greene, New York, United States · Minor · 1 aircraft · Status: Completed
Airport 4N7
Aircraft involved
Probable cause & findings
The pilot's decision to continue a visual approach with low visibility and in heavy rain and his subsequent failure to maintain clearance from trees.
Factual narrative
The pilot stated that while attempting to land in heavy rain and low visibility, the airplane collided with trees to the right side of the runway before descending and impacting the runway. The collision damaged the left wing, collapsed the landing gear, and substantially damaged the engine firewall. A Federal Aviation Administration inspector reported that the airplane's first impact with the ground was 68 feet from the tree impact. The pilot did not report any mechanical malfunctions or failures with the airplane prior to the accident. The pilot stated that while attempting to land in heavy rain and with low visibility, the airplane collided with trees to the right side of the runway before descending and impacting the runway. The collision damaged the left wing, collapsed the landing gear, and substantially damaged the engine firewall. The pilot did not report any mechanical malfunctions or failures with the airplane prior to the accident. Although the nearest weather observation facility reported no precipitation and 10-mile visibility, it was located 28 miles from the accident location. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
NTSB Findings
FAA avdata. C = Cause, F = Factor.
- C Personnel issues-Task performance-Planning/preparation-Weather planning-Pilot - C
- C Personnel issues-Action/decision-Action-Lack of action-Pilot - C
- — Environmental issues-Conditions/weather/phenomena-Ceiling/visibility/precip-Rain-Response/compensation
- — Environmental issues-Conditions/weather/phenomena-Ceiling/visibility/precip-Low visibility-Response/compensation
Verbatim from NTSB's published report. Source file
NTSB_2011_ERA11CA309.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
Matched on aircraft type. All research papers
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- arXiv 2025 · arXiv preprint Transonic buffet and incompressible low-frequency oscillations at high Reynolds numbers
Coherent, self-sustained oscillations of the flow over aircraft wings can lead to unsteady loads that detrimentally affect aircraft safety and stability, thus limiting the flight envelope.