CHI90DEG01

NTSB accident investigation · Mccomb RV-4 · Eaton, OH · October 31, 1989

Accident · FatalFinal report
Date
October 31, 1989, 18:25 local (23:25 UTC)
Place
Eaton, OH
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N828BMMccomb RV-4
Weather
Visual (VMC) · Night/dark
Status
Completed · report September 30, 1991
Report
Approved by Office Director
FAA report
19891031044659A
Case key
14457

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

Poor in-flight planning/decision by the pilot which resulted in spatial disorientation and an inadvertent spiral. Factors related to the accident were: the dark night and instrument lights not installed.

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 - in flightCruise - normal
Light condition - dark nightFactor
Instrument light(s) - not installedFactor
In-flight planning/decision - poorPilot in commandCause
Aircraft control - uncontrolledPilot in commandCause
Spatial disorientationPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

One witness observed 'a solid green light...drop out of the sky.' The airplane impacted the ground in a steep angle. There were no instrument lights installed. The light conditions were described as dark.

Aircraft

Registration
N828BM
Reported as
Mccomb RV-4
Category
Airplane, amateur-built
Serial number
418
Engine
Lycoming O-320-E3D, 150 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Personal · Part 91
Registered owner
Mccomb, Bernard Alford
Airworthiness certificate
Special, Experimental (Special)
Departed
LNP · Wise, VA
Destination
RID · Richmond, IN

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
58
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Front
Toxicology
Performed
Flight hours
200 total · 70 in this make and model · 160 as pilot in command · 30 in the last 90 days · 15 in the last 30 days · 5 in the last 24 hours

Weather

Conditions
Visual (VMC) · Night/dark
Wind
240° at 4 knots
Visibility
7 statute miles
Lowest ceiling
25,000 ft broken
Temperature
41 °F, dew point 21 °F
Altimeter
30.00 inHg
Observed at
DAY, 25 nm away

FAA reports on this event · 1

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