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NTSB Report
March 11, 2020 · Aeronca 7AC No Series · N83032
Ankeny, IA
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
March 11, 2020
Injury Outcomes
No injuries (1 uninjured, 1 unknown outcome)
Location
Ankeny, IA
Aircraft
Aeronca 7AC No Series (1956)
Tail Number
N83032
Operator
Private Individual
Injuries
None
Aircraft Damage
Substantial
NTSB Number
CEN20CA120
The pilot reported that he attempted to hand prop the engine numerous times without success. He returned to the cockpit and turned the magneto switch to the "off" position and advanced the throttle to between 1/2 and 3/4 travel. He then exited the cockpit and turned the propeller backward five to six "blades" to clear the cylinders. The pilot again returned to the cockpit and turned the magneto switch back to the "on" position, but he did not retard the throttle back to idle. He attempted to hand prop the engine again, and it started. Due to the engine's throttle setting, the airplane moved forward over the wheel chocks and struck the pilot, which resulted in serious injuries, and then a hangar, which resulted in substantial damage to the firewall and fuselage.
NTSB Probable Cause
The pilot's improper starting procedure, which allowed the airplane to move forward over the wheel chocks and impact him and a hangar when he subsequently hand propped the engine.
Full Narrative
The pilot attempted to hand-prop the airplane's engine without success. He turned off the magneto switch and advanced the throttle to between ½ to ¾ travel and then turned the propeller backwards 5-6 times to clear the cylinders. The pilot reported that he returned to the cockpit and turned the magneto switch back to the on position but did not put the throttle back to idle. He hand-propped the airplane a second time and the engine started. The engine's throttle setting allowed the airplane to move forward over the wheel chocks, and the airplane struck the pilot. A passenger was still in the airplane as it collided with a hangar, resulting in substantial damage to the airplane's firewall and fuselage. The pilot was seriously injured, and the passenger was not injured.
Flight
Event TypeAccident
Event Time16:45 CDT
Nearest AirportAnkeny Rgnl (0nm NNW)
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftAeronca 7AC No Series
Tail NumberN83032
Aircraft CategoryAir
DamageSubstantial
OperatorPrivate Individual
Operating RulePart 91
Seats2
People & Injuries
Injury SummaryNo injuries (1 uninjured, 1 unknown outcome)
Fatal0
Serious0
Minor0
Uninjured1
Total2
Crew 1Age 65 · Unknown · Serious
Conditions
ConditionsVMC
LightDaylight
Wind320° @ 18 kt, gusting 31 kt
Visibility10 sm
CeilingBroken clouds 5000 ft
Temperature / Dew Point52 / 37 C
Altimeter29.82 inHg
Observation Time21:35
Weather SourceWFAC