GAA19CA424

NTSB accident investigation · Cessna 172 · Grand Canyon, AZ · July 16, 2019

Accident · No injuriesData collectionFinal report
Date
July 16, 2019, 10:30 local (17:30 UTC)
Place
Grand Canyon, AZ
Injuries
4 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N1079MCessna 172
Defining event
Landing: Loss of control in flight
Weather
Visual (VMC) · Day
Status
Completed · report December 2, 2019
Report
Approved by Office Director
NTSB office
General Aviation Accidents
Parties
FAA
FAA report
20190716011859A
Case key
99861

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 failure to maintain lateral control during landing in gusting wind conditions, which resulted in the left wing striking the ground.

Findings · 3

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: lateral/bank controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedCessna 172L: 1 caseAll aircraft: 390 casesProbable cause
Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotCessna 172L: 24 casesAll aircraft: 9,295 casesProbable cause
Wind: gustsEnvironmental issues › Conditions/weather/phenomena · Effect on operationCessna 172L: 4 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 reported that, during approach to land, he corrected for a left crosswind. After crossing the threshold, he reduced power and as the airplane was about to touch down, it "rolled" left, and the left wing struck the runway. He added that the airplane immediately "righted itself" and that he then landed it. The airplane sustained substantial damage to the left wing. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The airport's automated weather observation station reported that, about 36 minutes before the accident, the wind was from 210° at 11 knots, gusting to 19 knots. The same automated station reported that, about 24 minutes after the accident, the wind was from 210° at 17 knots, gusting to 25 knots, with a peak wind reported 3 minutes after the accident from 220° at 27 knots. The pilot landed the airplane on runway 21.

Factual narrative

The pilot reported that, during approach to land, he corrected for a left crosswind. After crossing the threshold, he reduced power and as he was about to touch down, the airplane "rolled" to the left and the left wing struck the runway. The airplane immediately "righted itself" and he landed the airplane. He added that the runway strike caused a "minor misalignment" with the airplane. The airplane sustained substantial damage to the left wing. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The airport's automated weather observation station reported that, about 36 minutes before the accident, the wind was from 210° at 11 knots, gusting to 19 knots. The same automated station reported that, about 24 minutes after the accident, the wind was from 210° at 17 knots, gusting to 25 knots, with a peak wind reported 3 minutes after the accident from 220° at 27 knots. The pilot landed the airplane on runway 21.

Aircraft

Registration
N1079M
Reported as
Cessna 172 (L)
Category
Airplane
Serial number
17259802
Built
1971
Airframe hours
14,694
Engine
Lycoming O-320-E2D, 160 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
West Air Aviation
Registered owner
Unique Equipment Leasing Llc
Airworthiness certificate
Standard, Normal; Standard, Utility
Last inspection
Annual · June 28, 2019
Departed
VGT · Las Vegas, NV
Destination
GCN · Grand Canyon, AZ
Flight plan
VFR
Airport
GCN · Grand Canyon National Park, runway 21, 8,999 × 150 ft, asphalt
Equipment
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

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
71
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 3, With waivers/limitations
Last flight review
August 15, 2018
Seat
Left
Restraint
3-point
Flight hours
379 total · 143 in this make and model · 287 as pilot in command · 7 in the last 90 days · 4 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
210° at 17 knots, gusting 25
Visibility
10 statute miles
Lowest ceiling
None
Temperature
86 °F, dew point 37 °F
Altimeter
30.22 inHg
Observed at
KGCN

Docket · 2

The files NTSB released with the investigation on September 6, 2019, on NTSB’s docket system: statements, records, photos and specialists’ reports. 5.0 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.

Other investigations on N1079M · 1

Matched to the same aircraft by N-number and date.