LAX89DUJ04

NTSB accident investigation · Lehman/Jerrell Vans RV-4 · Tucson, AZ · January 22, 1989

Accident · FatalFinal report
Date
January 22, 1989, 12:30 local (19:30 UTC)
Place
Tucson, AZ
Injuries
2 fatal
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N44MELehman/Jerrell Vans RV-4
Weather
Visual (VMC) · Day
Status
Completed · report January 11, 1990
Report
Approved by Office Director
FAA report
19890122000929A
Case key
26130

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 judgement by the pilot in attempting and then improperly performing an aerobatic maneuver after takeoff, resulting in a stall/spin to the ground.

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 flightTakeoff - initial climb
Judgment - poorPilot in commandCause
Maneuver - improperPilot in commandCause
Stall/spin - inadvertentPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

During a local flight just after takeoff, the airplane was observed to fly the length of the runway at approximately 5-7 feet AGL. At the end of the runway, the airplane went into a steep climb to 200-300 feet AGL then rolled to the left. The nose pitched down and the airplane descended in a spin until collision with the terrain. No evidence of mechanical failures or malfunctions of the airplane was found. The acft had a total flt time of 119 hours. The airplane had been certified on 8/20/88. The pilot was also the owner of the aircraft.

Aircraft

Registration
N44ME
Reported as
Lehman/Jerrell Vans RV-4
Category
Airplane, amateur-built
Serial number
397
Airframe hours
119
Engine
Lycoming O-320-D3G, 160 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Lehman Douglas
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · August 20, 1988 · 119 hours before
Airport
40E · Lacholla Airpark, runway 19, 3,400 × 36 ft, asphalt

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
37
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Front
Toxicology
Performed
Flight hours
300 total

Weather

Conditions
Visual (VMC) · Day
Wind
2° at 4 knots
Visibility
50 statute miles
Lowest ceiling
None
Temperature
68 °F, dew point 28 °F
Altimeter
29.00 inHg
Observed at
TUS, 20 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.