WPR23LA100

NTSB accident investigation · Aeronca 65-CA · Deming, NM · December 15, 2022

Accident · No injuriesClass 4 · LimitedFinal report
Date
December 15, 2022, 20:45 UTC
Place
Deming, NM
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Standing
Aircraft
N29447Aeronca 65-CA
Defining event
Standing-engine(s) start-up: Ground collision
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Investigation class
Class 4 - Basic report with no Prelim publish
NTSB office
Western Pacific Region
Parties
FAA
Case key
106654

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 occupant’s improper throttle movement during the start procedure, which resulted in forward movement and loss of airplane control.

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: use of equip/systemPersonnel issues › Task performance · OtherAeronca 65-CA: 1 caseAll aircraft: 1,391 casesProbable cause
Use of equip/info: aircraft controlPersonnel issues › Task performance · OtherAeronca 65-CA: 2 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.

Ground collisionStanding-engine(s) start-upAeronca 65-CA: 1 caseAll aircraft: 618 casesDefining event

Analysis

The pilot reported that, the airplane does not have an electrical system and needed to be hand propped to start the engine. There were no tire chocks or tie-down ropes on the ramp, so he asked an individual at the airport, whom he believed was a pilot and said that he had experience with assisting in hand propping an airplane. The pilot instructed the individual on the procedures and with the throttle set to 1/8 inch open, and the individual in the pilot’s seat, he then positioned himself in front of the airplane and spun the propeller. The engine started as expected and the engine immediately went to a high rpm setting. The airplane began forward movement under high rpm and speed and subsequently collided with a light pole and airport hangar after the individual in the cockpit could not stop the airplane. Both wings were substantially damaged. The pilot reported that after the collision, he found the throttle positioned to the full forward high rpm position instead of the idle position and that the individual reported that he went the wrong direction with the throttle. The pilot reported that there were no mechanical failures or malfunctions with the airplane that would have precluded normal operation.

Aircraft

Registration
N29447
Reported as
Aeronca 65-CA
Category
Airplane
Serial number
CA10330
Airframe hours
1,801.36
Engine
Continental A65-8, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Jones Cody
Registered owner
Jones Cody
Airworthiness certificate
Unknown
Last inspection
Annual · December 26, 2021 · 12 hours before
Destination
Same as departure
Airport
KDMN · Deming Municipal Airport, runway N/A

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
38
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 3, Without waivers/limitations
Last flight review
October 10, 2022
Seat
None
Restraint
None
Flight hours
926.24 total · 14 in this make and model · 920.4 as pilot in command · 74.4 in the last 90 days · 24.8 in the last 30 days · 7 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Observed at
KDMN

Docket · 4

The files NTSB released with the investigation on March 30, 2023, on NTSB’s docket system: statements, records, photos and specialists’ reports. 2.5 MB in all.