CEN17LA306

NTSB accident investigation · Piper PA 28-181 · Denver, CO · July 31, 2017

Accident · No injuriesLimited investigationFinal report
Date
July 31, 2017, 11:58 local (17:58 UTC)
Place
Denver, CO
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N2146RPiper PA 28-181
Defining event
Landing-landing roll: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed · report November 15, 2018
Report
Approved by Office Director
NTSB office
Central Region
Parties
FAA
FAA report
20170731010249A
Case key
95771

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 directional control while landing.

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.

Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotPiper PA-28-181: 53 casesAll aircraft: 9,295 casesProbable cause
Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedPiper PA-28-181: 37 casesAll aircraft: 3,958 casesProbable cause
Runway/land/takeoff/taxi surface: soft surfaceEnvironmental issues › Physical environment · Effect on operationPiper PA-28-181: 1 caseAll aircraft: 264 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 private pilot reported that the airplane veered right while landing earlier in the day. During the accident landing, the airplane again veered right when the nosewheel touched down on the runway and then exited the runway into grass. While the pilot was attempting to steer the airplane back onto the runway, it hit a runway sign, which separated the right main landing gear from the airplane. The right wing contacted the ground, and the airplane veered right again and then came to rest in the grass alongside the runway. Postaccident examination of the airplane did not reveal evidence of any preimpact mechanical anomalies that would have resulted in the pilot's inability to maintain directional control.

Factual narrative

On July 31, 2017, at 1158 mountain daylight time, a Piper PA-28-181, N2146R, collided with a runway sign while landing at the Centennial Airport (APA), Denver, Colorado. The private pilot and passenger were not injured. The airplane was substantially damaged. The airplane was registered to Plane Omdahl LLC and was being operated by the Aspen Flying Club. The private pilot was operating the airplane as a Title 14 Code of Federal Regulations Part 91 personal flight. Visual flight rules conditions existed near the accident site at the time of the accident, and a flight plan had not been filed. The flight departed from the Pueblo Memorial Airport (PUB), Pueblo, Colorado, at 1110.The pilot reported that he departed APA and flew to PUB earlier in the day. Upon touchdown at PUB, the airplane veered to the right, but he was able to keep the airplane on the runway. The pilot stated that during the return flight, the airplane once again veered sharply to the right when the nose landing gear touched down while landing on runway 35R at APA. In the process of steering the airplane back onto the runway, the airplane collided with a runway sign that separated the right main landing gear assembly. The right wing contacted the ground and the airplane veered back to the right coming to rest in the grass alongside the runway. A postaccident examination of the brakes, tires, steering linkages, struts, and torque tubes was conducted by a Federal Aviation Administration airworthiness inspector. The examination did not reveal any mechanical failure or malfunction that would have resulted in the loss of directional control. The passenger was reported to be a child who was not able to reach the rudder pedals. The wind reported at APA just prior to the accident was from 60° at 7 knots. The last maintenance performed on the brake system was on February 28, 2017, when the right brake master cylinder was replaced.

Aircraft

Registration
N2146R
Reported as
Piper PA 28-181
Category
Airplane
Serial number
28-7990303
Built
1979
Airframe hours
10,673
Engine
Lycoming O-360-A4M, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Aspen Flying Club
Registered owner
Plane Omdahl LLC
Airworthiness certificate
Standard, Normal
Last inspection
Unknown · July 8, 2017
Departed
PUB · Pueblo, CO
Destination
APA · Denver, CO
Airport
APA · Centennial, runway 35R, 10,000 × 100 ft

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
44
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, With waivers/limitations
Last flight review
December 8, 2016
Seat
Left
Restraint
3-point
Flight hours
81 total · 4 in this make and model · 37 as pilot in command · 11 in the last 90 days · 5 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
60° at 7 knots
Visibility
10 statute miles
Lowest ceiling
22,000 ft broken
Temperature
79 °F, dew point 52 °F
Altimeter
30.36 inHg
Observed at
APA

Docket · 3

The files NTSB released with the investigation on October 18, 2018, on NTSB’s docket system: statements, records, photos and specialists’ reports. 1.8 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.