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NTSB Report

June 10, 2018 · Cessna 170 B · N170W

Benson, AZ

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
June 10, 2018
Injury Outcomes
No injuries (1 uninjured)
Location
Benson, AZ
Aircraft
Cessna 170 B (1953)
Tail Number
N170W
Injuries
None
Aircraft Damage
Substantial
NTSB Number
GAA18CA339

The pilot reported that, during the landing roll, the tailwheel-equipped airplane veered left and began to bounce. He applied right rudder correction, which quickly turned the airplane right toward the centerline, and he then applied left rudder to realign with the runway heading. He increased the engine power setting to full to perform a go-around, but the airplane, during its third bounce, ground looped to the left. The right wing impacted the ground, and the airplane came to rest on its right side with the wing at a 90° angle. The airplane sustained substantial damage to the right wing. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The pilot reported that the automated weather observation system located on the airport reported that, about 15 minutes before the accident, the wind was light and variable at 2 knots, gusting to 5 knots. The airplane landed on runway 28.

NTSB Probable Cause

Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Directional control-Not attained/maintained - C

Full Narrative

The pilot reported that, during the landing roll, the tailwheel-equipped airplane veered to the left and began to bounce. He applied right rudder correction, which quickly turned the airplane right towards centerline, and then applied left rudder to realign with runway heading. He increased the engine power setting to full to perform a go around, but the airplane, on its third bounce, ground looped to the left. The right wing impacted the ground and the airplane came to rest on its right side with the wing at a 90° angle. The airplane sustained substantial damage to the right wing. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The pilot reported that the automated weather observation system located on the airport reported that, about 15 minutes before the accident, the wind was light and variable at 2 knots, gusting to 5 knots. The airplane landed on runway 28.

Flight

Event TypeAccident
Event Time09:45 MST
Nearest AirportBenson Muni (0nm W)
Runway28
Runway Length4002 ft
Runway Width75 ft
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftCessna 170 B
Tail NumberN170W
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsCont Motor · O-300A · Reciprocating · 145
Seats4

People & Injuries

Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 40 · Basc · None

Conditions

ConditionsVMC
LightDaylight
Wind260° @ 14 kt, gusting 20 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point-8 C
Altimeter30.01 inHg
Observation Time20:56
Weather SourceWFAC

Appendix: Source Data