NTSB CAROL · Event
Event IAD01LA071
Registry · N2242P
FAA Aircraft Registry record.
Make / Model
ROBINSON HELICOPTER R22 ALPHA
Year of manufacture
1985 · 16 years old at event
TCDS
H10WE · ROBINSON HELICOPTER CO
Engine
LYCOMING 0-320 SERIES (180 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
19850610
ADS-B equipped
Yes — Mode-S A1F289
Registrant of record
DEESE DERICK D E
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot's improper remedial response to a dynamic rollover event, which resulted in the helicopter rolling over on its side.
Factual narrative
On June 16, 2001, about 1600 eastern daylight time, a Robinson R-22A, N2242P, was substantially damaged when it rolled over while hovering at a private helipad in Atwater, Ohio. The certificated airline transport pilot was seriously injured. Visual meteorological conditions prevailed and no flight plan was filed for the local personal flight that originated at the pilot/owner's helipad and conducted under 14 CFR Part 91. During a telephone interview, the pilot said the purpose of the flight was to experiment with ballast added to the helicopter. He said that in its normal configuration, the helicopter tended to ascend and descend from a hover in a left-skid low attitude. The pilot said that with the proper placement of ballast, the center-of-gravity could be adjusted to attain a more wings-level attitude during takeoffs and landings to and from a hover. According to the pilot, he placed the weight on the pad to the right of the helicopter prior to engine start. He said he intended to fly one trip around the traffic pattern, land the helicopter, set the throttle at idle, de-plane, install the ballast weight, then fly the helicopter around the pattern to note the difference in helicopter attitude in both hovering and forward flight. According to the pilot: "My helicopter always landed heels first. I read in the maintenance manual that you could put a 10-pound weight in the front of the helicopter to level the attitude. So I figured, I'm going to fly this thing around and back down to the ramp, leave it at idle, and put the weight in. "I took the damn weight and set it on the ramp next to my helicopter. I started the helicopter, picked it up to a hover, drifted to the right, hit the weight, and rolled over. It was instant, it happened in a millisecond." When asked if he was familiar with the phenomenon of dynamic rollover, the pilot said: "I sure am. What I should have done was lower the collective, but I think I tried to maneuver out of it." The pilot held an airline transport pilot certificate with a rating for airplane multi-engine land. He held a commercial pilot certificate with ratings for airplane single-engine land, single-engine sea, instrument airplane, glider, and rotorcraft-helicopter. The pilot's most recent first class medical certificate was issued May 2, 2000. He reported 18,935 hours of flight experience, 236 hours of which were in helicopters. The pilot said there were no mechanical deficiencies with the helicopter. The weather at the Akron-Canton Regional Airport, about 15 miles southwest of the accident site included a few clouds at 5,000 feet with variable winds at 6 knots. The pilot said the purpose of the flight was to experiment with ballast added to the helicopter. He said that in its normal configuration, the helicopter tended to ascend and descend from a hover in a left-skid low attitude. The pilot said that with the proper placement of ballast, the center-of-gravity could be adjusted to attain a more wings-level attitude during takeoffs and landings to and from a hover. The pilot placed the ballast weight on the pad to the right of the helicopter prior to engine start. He said he intended to fly one trip around the traffic pattern, land the helicopter, set the throttle at idle, de-plane, install the ballast weight, then fly the helicopter around the pattern to note the difference in helicopter attitude in both hovering and forward flight. During the initial takeoff to a hover, the helicopter drifted right, struck the weight, and rolled over onto its side. When asked if he was familiar with the phenomenon of dynamic rollover, the pilot said: "I sure am. What I should have done was lower the collective, but I think I tried to maneuver out of it." The pilot said there were no mechanical deficiencies with the helicopter. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2001_IAD01LA071.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 (stall, 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 2023 · Conference paper
The Value of Strong Partnerships to Build a Successful Aviation Maintenance Career Pathway Program for Transitioning Military Service Members
The aerospace industry is competing with other industries for a qualified workforce, and many of those competing industries are investing heavily in creating workforce development pipelines.
- 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…
- NASA NTRS 2026 · Conference Paper
Computational Analysis of Steady State Aerodynamics of Transonic Truss-Braced Wing Configuration in Deep Stall
This study presents a computational investigation of steady state aerodynamics of the Subsonic Ultra-Green Aircraft Research (SUGAR) Transonic Truss-Braced Wing (TTBW) configuration over a wide range …
- 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.
Browse the full corpus — academia portal ↗