NTSB CAROL · Event
Event CHI06LA150
Registry · N55H
FAA Aircraft Registry record.
Make / Model
MCDONNELL DOUGLAS HELICOPTER 369E
Year of manufacture
1992 · 14 years old at event
TCDS
H3WE · MD HELICOPTERS INC (MDHI)
Engine
ALLISON 250-C20 (400 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
20211113
ADS-B equipped
Yes — Mode-S A6FDC1
Registrant of record
CARLETON INC TRUSTEE
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot's failure to maintain directional control during the landing roll, which resulted in a loss of control, and an on-ground collision with terrain.
Factual narrative
On June 5, 2006, about 1915 central daylight time, an Aviat Pitts S-2B, N55H, piloted by a private pilot, sustained substantial damage during landing when the airplane exited runway 26 (1,930 feet by 50 feet ,dry grass), impacted high vegetation, and nosed over at the J & S Field Airport, near Darmstadt, Indiana. The personal flight was operating under 14 Code of Federal Regulations Part 91. Visual meteorological conditions prevailed at the time of the accident. No flight plan was on file. The pilot and pilot rated passenger reported no injuries. The flight originated from the Hepler Airport, near St. Wendel, Indiana, at 1910. The pilot's accident report, in part, stated: Normal approach - 100 mph, 900 [feet above ground level] downwind pattern. Touched down center of runway, plane was on the ground and rolling. Everything felt right and normal. Started pulling to right added left rudder, right wing contacted wheat along edge of runway and pulled plane into [field.] At 1854, the recorded wind at the Evansville Regional Airport, near Evansville, Indiana, was 070 degrees at 7 knots. Federal Aviation Administration Inspectors examined the runway and wreckage. The landing gear from the accident airplane was sent to the National Transportation Safety Board Materials Laboratory for detailed examination. Examination of the landing gear components revealed the separations were consistent with overload. The aerobatic tailwheel airplane sustained substantial damage during landing on a 50 foot wide grass runway when the airplane exited runway 26, impacted high vegetation, and nosed over. The pilot stated, "Normal approach - 100 mph, 900 [feet above ground level] downwind pattern. Touched down center of runway, plane was on the ground and rolling. Everything felt right and normal. Started pulling to right added left rudder, right wing contacted wheat along edge of runway and pulled plane into [field.]" At 1854, the recorded wind was 070 degrees at 7 knots. An examination of the landing gear components disclosed that the left main landing gear fractured/separated during the accident sequence. Portions of the left main landing gear were sent to the NTSB Materials laboratory for analysis. The examination disclosed that the fractures/separations were consistent with overload, with no evidence of any pre-existing anomalies. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2006_CHI06LA150.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). 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 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.
- 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…
- NASA NTRS 2021 · Presentation
Use of Design of Experiments in Determining Neural Network Architectures for Loss of Control Detection
Abstract—We describe empirical methods for selecting a neural network architecture to implement belief state inference on generic commercial transport aircraft.
- NASA NTRS 2021 · Conference Paper
Use of Design of Experiments in Determining Neural Network Architectures for Loss of Control Detection
We describe empirical methods for selecting a neural network architecture to implement belief state inference on generic commercial transport aircraft.
Browse the full corpus — academia portal ↗