CHI08CA105

NTSB accident investigation · Schultz Mini 500 · Batavia, OH · April 6, 2008

Accident · No injuriesData collectionFinal report
Date
April 6, 2008, 12:00 local (16:00 UTC)
Place
Batavia, OH
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N62GSSchultz Mini 500
Defining event
Maneuvering-hover: Sys/Comp malf/fail (non-power)
Weather
Visual (VMC) · Day
Status
Completed · report May 28, 2008
Report
Approved by Office Director
Parties
Cincinnati, Ohio
Case key
67972

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The failure of the helicopter's centrifugal clutch during hover which led to the pilot's inability to maintain control of the craft and its subsequent impact with the ground.

Findings · 2

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Main rotor drive: main rotor gearboxAircraft › Aircraft propeller/rotor · FailureSchultz George E MINI 500: 1 caseAll aircraft: 2 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot reported that he was air taxiing his homebuilt helicopter when the centrifugal clutch failed and the helicopter abruptly descended into the ground. The helicopter struck its right skid and then rolled onto its side.

Factual narrative

The pilot reported that he was air taxiing his homebuilt helicopter when the centrifugal clutch failed and the helicopter abruptly descended into the ground. The helicopter struck its right skid and then rolled onto its side.

Aircraft

Registration
N62GS
Reported as
Schultz Mini 500
Category
Helicopter, amateur-built
Serial number
36
Engine
Rotax 582, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Special, Experimental (Special)
Departed
I69 · Batavia, OH

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
81
Injuries
None
Certificates
Private, Commercial
Airplane ratings
Multi-engine land, Single-engine land, Single-engine sea
Instrument ratings
Airplane
Flight hours
2,950 total · 150 in this make and model

Weather

Conditions
Visual (VMC) · Day