NTSB CAROL · Event
Event ERA24LA212
Registry · N8290C
FAA Aircraft Registry record.
Make / Model
PIPER PA-20-135
Year of manufacture
1954 · 70 years old at event
Engine
LYCOMING 0-290 SERIES (140 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
19570522
ADS-B equipped
Yes — Mode-S AB54A5
Registrant of record
MCKINNEY STEVE R
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
An inadvertent encounter with the rotor wash of a nearby hovering helicopter during landing, which resulted in a loss of control and a runway excursion.
Factual narrative
The pilot reported that the purpose of the flight was to return to his home airport and that there was a military helicopter and another small single engine airplane in the traffic pattern. While the pilot was landing, the military helicopter was in a hover on the ramp adjacent to the runway. The pilot reported that the airplane touched down normally and that he had positive control of the airplane during the initial landing rollout with all wheels on the ground. Once the airplane passed abeam the helicopter, the pilot described that the airplane “levitated” off the ground in a nose high attitude and began to turn to the right. The pilot attempted to regain control of the airplane, but it continued to the right and departed the runway surface. During the runway excursion, the airplane sustained substantial damage to the fuselage. The pilot reported there were no mechanical failures or anomalies with the airplane that would have precluded normal operation. Based on this information, it is likely that during the landing roll, the airplane encountered the rotor wash of the hovering military helicopter that was adjacent to the runway. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
NTSB Findings
Hierarchical cause / factor breakdown from the FAA bulk avdata database. Each finding tagged C (Cause) or F (Factor).
- — Environmental issues-Conditions/weather/phenomena-Turbulence-Wake turbulence-Effect on equipment
- — Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot
- — Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Lateral/bank control-Attain/maintain not possible
Verbatim from NTSB's published report. Source file
NTSB_2024_ERA24LA212.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 (loss of control, runway excursion). 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 2017 · Conference paper
Energy Safety Management: Mitigating Loss of Control Inflight
Under the new Airman Certification Standards (ACS), the Federal Aviation Administration (FAA) has mandated for the first time that private and commercial pilot candidates demonstrate understanding of …
- Embry-Riddle Scholarly Commons 2025 · Journal article (JAAER)
A Scoping Review of Aviation Loss of Control Inflight Research
Loss of control – inflight (LOC-I) contributes to aircraft accidents at unacceptably high rates. Significant industry efforts and research have aimed to improve LOC-I prevention, detection, and recove…
- SKYbrary (Eurocontrol) 2024 · SKYbrary article
Loss of Control In-Flight (LOC-I) — SKYbrary Knowledge Base
SKYbrary comprehensive knowledge-base entry on Loss of Control In-Flight — definitions, contributing factors, accident case studies (Air France 447, Colgan 3407), and prevention strategies.
- SKYbrary (Eurocontrol) 2024 · SKYbrary article
Runway Excursion — SKYbrary Knowledge Base
SKYbrary runway excursion review — RE-OE (overruns) + RE-LO (lateral). Risk drivers: long landing, high approach speed, contaminated surface, tailwind, mis-set autobrakes.
- NTSB Aircraft Accident Reports 2022 · Accident report
Loss of Control on Takeoff in Icing Conditions — Citation 560XL
Cessna Citation 560XL fatal takeoff icing accident, March 2018. Investigation of a Citation 560XL loss-of-control takeoff accident in icing conditions.
- Semantic Scholar 2021 · Article (Aviation)
ANALYSIS OF GENERAL AVIATION FIXED-WING AIRCRAFT ACCIDENTS INVOLVING INFLIGHT LOSS OF CONTROL USING A STATE-BASED APPROACH
Inflight loss of control (LOC-I) is a significant cause of General Aviation (GA) fixed-wing aircraft accidents. The United States National Transportation Safety Board’s database provides a rich source…
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