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NTSB Report
February 8, 2023 · Cirrus Design SF50 · N426SJ
Waukesha, WI
Overview
Report Status
Probable Cause
Event Type
Accident
Date
February 8, 2023
Injury Outcomes
No injuries (2 uninjured)
Location
Waukesha, WI
Aircraft
Cirrus Design SF50 (2019)
Tail Number
N426SJ
Injuries
None
Aircraft Damage
Substantial
NTSB Number
CEN23LA104
The pilot reported that during takeoff, he heard a noise that sounded like “gravel hitting the gear,” which continued after landing gear retraction, and prompted a return to the departure airport for a precautionary landing. He stated that while on the downwind leg, the stall warning aural alert sounded, and the stick shaker activated; the pilot used the autopilot disconnect button to regain control of the airplane. During touchdown, the airplane bounced and exited the runway, which resulted in substantial damage to the lower forward fuselage. Following the accident, the pilot discovered that he had failed to remove the angle of attack vane cover. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.
NTSB Probable Cause
The pilot’s failure to maintain aircraft control during landing. Contributing to the accident was the pilot’s inadequate preflight inspection removal of the angle of attack vane cover.
Full Narrative
The pilot reported that during takeoff, he heard a noise that sounded like “gravel hitting the gear,” which continued after landing gear retraction, and prompted a return to the departure airport for a precautionary landing. He stated that while on the downwind leg, the stall warning aural alert sounded, and the stick shaker activated; the pilot used the autopilot disconnect button to regain control of the airplane. During touchdown, the airplane bounced and exited the runway, which resulted in substantial damage to the lower forward fuselage. Following the accident, the pilot discovered that he had failed to remove the angle of attack vane cover. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.
Flight
Event TypeAccident
Event Time10:00 CST
Nearest AirportWaukesha County Airport (0nm N)
Runway28
Runway Length5849 ft
Runway Width100 ft
Flight Plan FiledIFR
Flight Plan ActivatedYes
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCirrus Design SF50
Tail NumberN426SJ
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeTurbofan
Engine DetailsWilliams International · FJ33-5A · Turbofan · 1846
Seats7
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1None
Crew 2Age 59 · Third Class · None
Conditions
ConditionsVMC
LightDaylight
WindCalm
Visibility10 sm
CeilingNone
Temperature / Dew Point34 F / 25 F
Altimeter30.24 inHg
Observation Time09:45
Weather SourceWFAC