CHI85FA209

NTSB accident investigation · Heekin B-8-M · Williamsburg, OH · May 25, 1985

Accident · FatalField investigationFinal report
Date
May 25, 1985, 11:05 local (15:05 UTC)
Place
Williamsburg, OH
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N3250MHeekin B-8-M
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19850525020629A
Case key
12837

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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Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Airframe/component/system failure/malfunctionManeuvering
Aircraft handling - improperPilot in commandCause
Rotor system,main rotor blade - movement restrictedCause
Propeller system/accessories,blade - disintegratedFactor
Loss of control - in flightDescent - uncontrolled
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - ground

Analysis

Witness reported hearing a loud bang and seeing the main rotor blades stopped. The gyrocopter was then observed rotating slowly in a clockwise direction to ground impact. The wooded prop (engine driven) was demolished with portions of it found up to 300 ft from the accident site. Prop strike marks were found on the main rotor blades.

Aircraft

Registration
N3250M
Reported as
Heekin B-8-M
Category
Gyroplane, amateur-built
Serial number
294400870
Airframe hours
83
Engine
McCulloch 4318G, 90 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Herbert P. Heekin
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · July 24, 1984 · 3 hours before
Airport
Hutchinson Farm Field

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
41
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Center
Flight hours
193 total · 66 in this make and model · 148 as pilot in command · 3 in the last 90 days · 3 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
360° at 10 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
75 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.