GAA19CA485

NTSB accident investigation · Stinson 10 · Yuba, CA · June 17, 2019

Accident · No injuriesData collectionFinal report
Date
June 17, 2019, 12:13 local (19:13 UTC)
Place
Yuba, CA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N34658Stinson 10
Defining event
Landing-landing roll: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed · report April 13, 2020
Report
Approved by Office Director
NTSB office
General Aviation Accidents
Parties
FAA
Case key
100004

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, which resulted in a ground loop.

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/maintainedStinson 10A: 1 caseAll aircraft: 3,958 casesProbable cause
Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotStinson 10A: 1 caseAll 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 reported that, during landing, the airplane ground looped to the right, the left main landing gear collapsed, and the left wing impacted the ground. The airplane sustained substantial damage to the lower fuselage. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

Factual narrative

The pilot of the tailwheel-equipped airplane reported that, during landing, the airplane ground looped to the right, the left main landing gear collapsed, and the left wing impacted the ground. The airplane sustained substantial damage to the lower fuselage. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The automated weather observation station located on the airport reported that, about the time of the accident, the wind was 210° at 5 knots. The pilot reported the wind was light and variable. The airplane landed on runway 14.

Aircraft

Registration
N34658
Reported as
Stinson 10 (A)
Category
Airplane
Serial number
7958
Airframe hours
1,910.9
Engine
Lycoming O-235 SERIES, 115 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · May 3, 2019
Departed
MYV · Yuba, CA
Destination
MYV · Yuba, CA
Airport
MYV · Yuba County, runway 14, 6,007 × 150 ft, asphalt
Equipment
ADS-B, Electronic flight bag or handheld device

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
62
Injuries
None
Certificate
Student
Medical
Class 3, Waiver time limited special
Seat
Left
Restraint
3-point
Flight hours
72 total · 64 in this make and model · 8.1 in the last 90 days · 7.4 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
210° at 5 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
81 °F, dew point 61 °F
Altimeter
29.79 inHg
Observed at
KMYV

Docket · 2

The files NTSB released with the investigation on January 17, 2020, on NTSB’s docket system: statements, records, photos and specialists’ reports. 3.3 MB in all.