FTW86FPJ09

NTSB accident investigation · Quick Silver Mxii · Ardmore, OK · June 20, 1986

Accident · Serious injuriesFinal report
Date
June 20, 1986, 12:30 local (17:30 UTC)
Place
Ardmore, OK
Injuries
2 serious
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N4410WQuick Silver Mxii
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19860620026949A
Case key
21940

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.

Loss of engine power(partial) - mech failure/malfApproach - vfr pattern - base leg/base to final
Engine assembly,bearing - failure,totalCause
Forced landingDescent - emergency
In flight collision with objectLanding - flare/touchdown
Object - tree(s)

Analysis

The acft landed short of the rwy after losing eng pwr during the apch. Post acc inspection showed that the bearing on the pwr shaft failed. This allowed the belt tension to become slack which reduced the prop RPM. No other discrepancies were noted.

Aircraft

Registration
N4410W
Reported as
Quick Silver Mxii
Category
Airplane, amateur-built
Serial number
1455
Engine
Rotax 503, 48 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Glenn G. Smith
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · August 15, 1985 · 60 hours before
Airport
runway 20, 1,800 × 11 ft

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
28
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
503 total · 115 in this make and model · 464 as pilot in command · 25 in the last 90 days · 10 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Lowest ceiling
None
Temperature
84 °F

FAA reports on this event · 1

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