WPR23LA011

NTSB accident investigation · Cessna 170B · Monument Valley, UT · October 8, 2022

Accident · No injuriesClass 4 · LimitedFinal report
Date
October 8, 2022, 14:00 local (20:00 UTC)
Place
Monument Valley, UT · airport environment
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N1961CCessna 170B
Defining event
Landing-flare/touchdown: 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
Western Pacific Region
Parties
FAA
FAA report
20221008016549A
Case key
106124

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Probable cause

The pilot’s loss of airplane control during the landing flare in gusting wind and subsequent loss of directional control during the landing roll.

Findings · 4

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 · PilotCessna 170B: 91 casesAll aircraft: 9,295 casesProbable cause
Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedCessna 170B: 74 casesAll aircraft: 3,958 casesProbable cause
Performance/control parameters: landing flareAircraft › Aircraft oper/perf/capability · Not attained/maintainedCessna 170B: 5 casesAll aircraft: 1,285 casesProbable cause
Wind: gustsEnvironmental issues › Conditions/weather/phenomena · Effect on operationCessna 170B: 13 casesAll aircraft: 1,199 cases

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 reported that, during the flare for landing, the airplane encountered a wind gust and the airplane landed hard and bounced. The airplane veered to the left and subsequently ground looped off the runway. 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.

Aircraft

Registration
N1961C
Reported as
Cessna 170B
Category
Airplane
Serial number
26106
Built
1953
Airframe hours
3,388
Engine
Lycoming O-360-A1D, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 23, 2022
Departed
CNY · Moab, UT
Destination
UT25 · Monument Valley, UT
Airport
UT25 · Monument Valley, runway 16, 3,800 × 45 ft, asphalt
Equipment
Satellite tracking device, Onboard weather, Handheld GPS, Electronic flight bag or handheld device, Auto-pilot, ADS-B, Stall warning system

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 · 2

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
68
Injuries
None
Certificates
Commercial, Private
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, With waivers/limitations
Seat
Left
Restraint
4-point
Flight hours
2,532 total · 110 in this make and model · 2,432 as pilot in command · 95 in the last 90 days · 41 in the last 30 days · 3 in the last 24 hours
Role
Pilot-rated passenger
Seat
Right
Restraint
4-point

Weather

Conditions
Visual (VMC) · Day
Wind
150° at 5 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
68 °F, dew point 45 °F
Altimeter
30.40 inHg
Observed at
KBDG, 48 nm away
METAR
KBDG 082015Z AUTO 15005KT 10SM 20/07 A3040 RMK AO1 T01970066

Docket · 2

The files NTSB released with the investigation on December 30, 2022, on NTSB’s docket system: statements, records, photos and specialists’ reports. 3.2 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.