WPR21LA003

NTSB accident investigation · Evolution Revo · Hawthorne, CA · October 4, 2020

Accident · FatalClass 3 · LimitedFinal report
Date
October 4, 2020, 09:35 local (16:35 UTC)
Place
Hawthorne, CA
Injuries
1 fatal
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N449WBEvolution Revo
Defining event
Initial climb: Loss of control in flight
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Investigation class
Class 3
NTSB office
Western Pacific Region
Parties
Evolution Aircraft Inc., FAA-FSDO
FAA report
20201004016819A
Case key
102078

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

On this page

Probable cause

The pilot’s failure to maintain aircraft control during takeoff.

Findings · 2

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Action: incorrect action selectionPersonnel issues › Action/decision · PilotEvolution REVO: 1 caseAll aircraft: 397 casesProbable cause
Performance/control parameters: lateral/bank controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedEvolution REVO: 1 caseAll aircraft: 390 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot was departing on a personal flight in a light sport aircraft. Shortly after departing from the runway, the aircraft veered to the right and then banked to the right to clear a fence, after which the aircraft descended and struck a tree and a culvert wall. The engine was running throughout the flight. Postaccident examination revealed no evidence of preaccident mechanical malfunctions or failures that would have precluded normal operation. Recorded engine data indicated that the engine was producing power at the time of the accident. Although the pilot’s experience in the light sport aircraft could not be established, a witness reported that, after a previous takeoff “a couple of years" before the accident, the pilot had incorrectly steered the aircraft toward the airport tower before recognizing the error and correcting the aircraft’s flightpath. The same witness also reported that departing aircraft typically make a left bank—rather than a right bank—after takeoff. Thus, during the accident takeoff, the pilot likely manipulated the steering controls incorrectly, which resulted in a loss of control and subsequent impact with the tree and culvert.

Factual narrative

On October 4, 2020, about 0935 Pacific daylight time, an Evolution Revo weight-shift-control light sport aircraft (commonly referred to as a trike), N449WB, was substantially damaged when it was involved in an accident near Jack Northrop Field/Hawthorne Municipal Airport (HHR) Hawthorne, California. The pilot was fatally injured. The aircraft was operated as a Title 14 Code of Federal Regulations Part 91 personal flight. The pilot was cleared to depart from runway 25 at HHR. Flight track data showed that, after departure, the aircraft veered slightly to the left of centerline and then began a right turn, after which the aircraft was no longer being tracked by radar. The aircraft impacted a tree and then the north wall of a culvert that was located about 1/4-mile northwest of the departure end of runway 25. A witness was performing a preflight on his gyrocopter when he saw the aircraft take off and climb to about 30 to 40 ft above ground level before banking right. The aircraft cleared the airport perimeter fence and continued to bank right until it was out of this witness’ sight. Another witness, who had flown the aircraft days before the accident, watched the aircraft depart from the runway and, soon afterward, saw the aircraft begin to bank to the right. He watched as the pilot “pushed the steering to the left and the aircraft banked harder to the right before flying into the drainage ditch.” He stated that aircraft departing from HHR typically make a left bank after takeoff because of the proximity of Los Angeles International airport to the right (north) of HHR. The witness also stated that the engine was running the entire time during the flight. The witness further stated he had met with the pilot earlier that morning and that the pilot was acting normally. In addition, the witness stated that “a couple of years ago” the pilot had departed from the runway and “steered” the aircraft directly toward the airport tower before correcting the aircraft’s flightpath and that the pilot had acknowledged his steering mistake. The pilot’s logbooks were not available during the investigation. Postaccident examination of the airframe and engine revealed no evidence of mechanical malfunctions or failures that would have precluded normal operation. The propeller blades were missing material from their midsections to their tips. Recorded engine data indicated that the engine was producing power at the time of the accident.

Aircraft

Registration
N449WB
Reported as
Evolution Revo
Category
Airplane
Serial number
000614
Built
2015
Airframe hours
1,093
Engine
Rotax 912iS, 100 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Joe K Audette
Registered owner
Joe K Audette
Airworthiness certificate
Special, Special light-sport (Special)
Last inspection
Annual · January 2, 2020
Airport
HHR · Jack Northrop Field/Hawthorne Municipal Airport, runway 25, 4,884 × 100 ft, asphalt
Equipment
Airframe parachute

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
60
Injuries
Fatal
Certificate
Sport Pilot
Airplane ratings
Single-engine land
Seat
Front
Restraint
4-point
Toxicology
Performed
Flight hours
0 total

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
8 statute miles
Temperature
72 °F, dew point 66 °F
Altimeter
29.86 inHg
Observed at
HHR

Docket · 16

The files NTSB released with the investigation on January 19, 2023, on NTSB’s docket system: statements, records, photos and specialists’ reports. 8.9 MB in all.

FAA reports on this event · 1

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