CHI90DEE03

NTSB accident investigation · Nelsen-David Sonerai II/EV · Huntley, IL · November 26, 1989

Accident · FatalFinal report
Date
November 26, 1989, 10:40 local (16:40 UTC)
Place
Huntley, IL
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N4984HNelsen-David Sonerai II/EV
Weather
Visual (VMC) · Day
Status
Completed · report September 30, 1991
Report
Approved by Office Director
FAA report
19891126047209A
Case key
14449

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

Pilot-in-command's failure to maintain airspeed during a turn at low altitude, resulting in an inadvertent stall and impact with terrain, lack of recent total experience and lack of total experience in type of aircraft.

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 flightManeuvering
Airspeed - not maintainedPilot in commandCause
Lack of recent total experiencePilot in commandCause
Stall/spin - inadvertentPilot in commandCause
Lack of total experience in type of aircraftPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Aircraft

Registration
N4984H
Reported as
Nelsen-David Sonerai II/EV (SONERAI II)
Category
Airplane, amateur-built
Serial number
507
Airframe hours
61
Engine
Monnett EV2/1850, 65 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Thomas M. Aloy
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · October 1, 1989 · 2 hours before
Airport
61L6 · Reid Rla, runway 36, 3,000 × 50 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
35
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Rear
Toxicology
Performed
Flight hours
92 total · 1 in this make and model · 48 as pilot in command · 3 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
180° at 5 knots
Visibility
15 statute miles
Lowest ceiling
None
Temperature
45 °F, dew point 28 °F
Altimeter
29.00 inHg
Observed at
RFD, 31 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.