ERA22LA400

NTSB accident investigation · Aeronca 7AC · Marysville, OH · September 1, 2022

Accident · No injuriesClass 4 · LimitedFinal report
Date
September 1, 2022, 19:00 local (23:00 UTC)
Place
Marysville, OH
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N85748Aeronca 7AC
Defining event
Landing: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Investigation class
Class 4 - Basic report with no Prelim publish
NTSB office
Eastern Region Aviation
Parties
FAA/FSDO
FAA report
20220901015189A
Case key
105880

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

The pilot’s failure to maintain directional control during landing.

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.

Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedAeronca 7AC: 26 casesAll aircraft: 3,958 casesProbable cause
Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotAeronca 7AC: 43 casesAll aircraft: 9,295 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 of the tailwheel-equipped airplane was practicing takeoffs and landings on a turf runway. While on his third landing of the day he touched down and the airplane suddenly started to move to the left. He applied right rudder but the airplane did not respond as he expected it to, and it continued left off a steep embankment. During the runway excursion the fuselage was substantially damaged. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.

Aircraft

Registration
N85748
Reported as
Aeronca 7AC
Category
Airplane
Serial number
7AC-4497
Built
1946
Airframe hours
3,653.5
Engine
Continental C85-12-F, 85 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 22, 2022
Destination
Same as departure
Airport
MRT · Union County, runway 8, 2,702 × 81 ft, grass/turf
Equipment
None

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
70
Injuries
None
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
BasicMed
Last flight review
October 10, 2020
Seat
Front
Restraint
3-point
Flight hours
446 total · 24 in this make and model · 326 as pilot in command · 12 in the last 90 days · 6 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
40° at 5 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
79 °F, dew point 63 °F
Altimeter
30.07 inHg
Observed at
MRT
METAR
KMRT 012319Z AUTO 04005KT 10SM SCT065 26/17 A3007 RMK AO1

Docket · 3

The files NTSB released with the investigation on September 13, 2022, on NTSB’s docket system: statements, records, photos and specialists’ reports. 3.5 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.