BFO89DIG03

NTSB incident investigation · Smith Miniplane · Cumberland, MD · July 30, 1989

Incident · No injuriesFinal report
Date
July 30, 1989, 14:15 local (18:15 UTC)
Place
Cumberland, MD
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Taxi
Aircraft
N4655YSmith Miniplane
Weather
Visual (VMC) · Day
Status
Completed · report September 9, 1992
Report
Approved by Office Director
FAA report
19890730047279A
Case key
11447

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

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Probable cause

Failure of the pilot to maintain directional control of the airplane during high speed taxi tests.

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 control - on ground/waterTaxi
Directional control - not maintainedPilot in commandCause
On ground/water collision with objectTaxi
Object - tree(s)

Analysis

The plt was making a high speed taxi run, when the accident occurred. He reported having difficulty steering the acft as he was taxiing down the rwy. Control of the acft was lost and it veered off the left side of the rwy into a wooded area. Inspection of the acft failed to reveal any mechanical failure/malfunction of the landing gear and/or acft steering.

Aircraft

Registration
N4655Y
Reported as
Smith Miniplane
Category
Airplane, amateur-built
Serial number
1001
Engine
Continental A-65, 65 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Edward W. Koch
Airworthiness certificate
Special, Experimental (Special)
Airport
1W3 · Mexico Farms, runway 28, 2,180 × 250 ft, grass/turf

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
64
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Front
Flight hours
17,060 total · 72 in this make and model · 30 in the last 90 days · 15 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Visibility
5 statute miles
Lowest ceiling
4,000 ft broken
Temperature
-0 °F, dew point -0 °F

FAA reports on this event · 1

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