ERA24LA238

NTSB accident investigation · Aeronca 11AC · Geneseo, NY · June 1, 2024

Accident · No injuriesClass 4 · LimitedFinal report
Date
June 1, 2024, 14:30 local (18:30 UTC)
Place
Geneseo, NY
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N9418EAeronca 11AC
Defining event
Takeoff: 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
20240601010289A
Case key
194362

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 the takeoff roll resulting in a runway excursion, and subsequent nose over.

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.

Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotAeronca 11AC: 14 casesAll aircraft: 9,295 casesProbable cause
Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedAeronca 11AC: 13 casesAll aircraft: 3,958 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 had previously performed three uneventful landings and elected to depart for a final landing. The pilot initiated the takeoff roll from but started to lose directional control, drifting from one side of the runway to the other. When the left main tire was in tall vegetation adjacent to the runway he decided to continue the takeoff but the airplane veered more to the left and entered taller vegetation. While slowing the airplane nosed over, and both of the right wing’s lift struts were substantially damaged. The pilot reported, and a postaccident examination of the airplane confirmed, that there were no preimpact mechanical malfunctions or failures of the airplane that would have precluded normal operation.

Aircraft

Registration
N9418E
Reported as
Aeronca 11AC (NO SERIES EXISTS)
Category
Airplane
Serial number
11AC-1055
Built
1946
Airframe hours
2,309
Engine
Continental A-665-8-F, 65 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · December 17, 2023 · 4 hours before
Airport
D52 · Geneseo Airport, runway 5, 4,695 × 90 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
77
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
BasicMed
Last flight review
September 22, 2023
Seat
Left
Restraint
4-point
Flight hours
230 total · 38 in this make and model · 166 as pilot in command · 5 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
Variable at 5 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
82 °F, dew point 45 °F
Altimeter
30.14 inHg
Turbulence
Unknown
Observed at
KDSV, 15 nm away
METAR
METAR KDSV 011854Z AUTO VRB05KT 10SM CLR 28/07 A3014 RMK AO2 SLP213 T02780067=

Docket · 6

The files NTSB released with the investigation on October 31, 2024, on NTSB’s docket system: statements, records, photos and specialists’ reports. 13.0 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.