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NTSB accident investigation · Zenair Zenith CH 801 · Fort Worth, TX · April 4, 2019

Accident · No injuriesData collectionFinal report
Date
April 4, 2019, 18:10 local (23:10 UTC)
Place
Fort Worth, TX
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N801RZenair Zenith CH 801
Defining event
Landing: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed · report April 13, 2020
Report
Approved by Office Director
NTSB office
General Aviation Accidents
Parties
FAA
FAA report
20190404002519A
Case key
99230

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 lateral control in flight and his subsequent loss of directional control during landing with a crosswind, which resulted in a runway excursion and impact with terrain.

Findings · 4

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.

Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedRunyan David ZENITH CH 801: 1 caseAll aircraft: 3,958 casesProbable cause
Performance/control parameters: lateral/bank controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedRunyan David ZENITH CH 801: 1 caseAll aircraft: 390 casesProbable cause
Wind: crosswindEnvironmental issues › Conditions/weather/phenomena · Effect on operationRunyan David ZENITH CH 801: 1 caseAll aircraft: 1,008 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 reported that, while on short final, about 50 ft above ground level, the airplane rolled about 30º to the left. He applied full right aileron and leveled the airplane about 2 ft above ground level, but the airplane descended onto the runway, exited the runway to the left, and impacted terrain. The airplane sustained substantial damage to both wings and the fuselage. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

Factual narrative

The pilot reported that, while on short final, about 50 feet above the ground, the airplane rolled about 30º to the left. He applied full right aileron and leveled the airplane about a couple feet above the ground, but the airplane descended on to the runway, exited the runway to the left, and impacted terrain. The airplane sustained substantial damage to the both wings and fuselage. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The automated weather observation station located on an airport about 5 NM away reported that, about 15 minutes before the accident, the wind was from 050° at 16 knots. The pilot reported the wind was 050º at 10 knots, gusting up to 20 knots. The weight-shift control aircraft landed on runway 25.

Aircraft

Registration
N801R
Reported as
Zenair Zenith CH 801 (No Series)
Category
Airplane, amateur-built
Serial number
8-4296
Built
2005
Airframe hours
445
Engine
Superior XP-0-360-A1A2, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Condition · December 31, 2018
Departed
T67 · Fort Worth, TX
Destination
T67 · Fort Worth, TX
Airport
T67 · Hicks Airfield, runway 32, 3,740 × 60 ft, asphalt
Equipment
ADS-B, Stall warning system, Electronic flight bag or handheld device, Auto-pilot, Angle of attack indicator

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
67
Injuries
None
Certificates
Commercial, Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 3, With waivers/limitations
Last flight review
June 27, 2015
Seat
Left
Restraint
3-point
Flight hours
729 total · 445 in this make and model · 686 as pilot in command · 7 in the last 90 days · 4 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
50° at 16 knots
Visibility
10 statute miles
Temperature
79 °F, dew point 63 °F
Altimeter
29.90 inHg
Observed at
KAFW, 5 nm away

Docket · 2

The files NTSB released with the investigation on February 5, 2020, on NTSB’s docket system: statements, records, photos and specialists’ reports. 1.3 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.