WPR13CA263

NTSB accident investigation · Garland Avipro Bearhawk · Sheridan, WY · June 7, 2013

Accident · Minor injuriesData collectionFinal report
Date
June 6, 2013, 19:30 local (Jun 7, 2013, 01:30 UTC)
Place
Sheridan, WY
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N540THGarland Avipro Bearhawk
Defining event
Initial climb: Aerodynamic stall/spin
Weather
Visual (VMC) · Day
Status
Completed · report July 23, 2013
Report
Approved by Office Director
NTSB office
Western Pacific Region
Parties
Federal Aviation Administration
FAA report
20130606010119A
Case key
87116

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 airspeed, which resulted in a stall and a loss of aircraft control during the initial takeoff.

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.

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 stated that the purpose of the flight was to return back to his home airport. He configured the airplane for a three-point takeoff and added full power. During the takeoff roll, the airplane began to veer to the left and subsequently became airborne. As the airplane ascended to about 50 feet above ground level (agl), the left wing dropped and subsequently struck the ground. The airplane was substantially damaged when it tumbled in a cartwheel-type maneuver with the right wing flipping over and striking the terrain. The airplane came to rest on its belly in a grassy area adjacent to the taxiway. The pilot stated that there were no mechanical malfunctions or failures with the airplane that would have precluded normal operation. He noted that the wind was calm. He thought that the airplane initially veered left because of p-factor and his delay in recognizing this aerodynamic phenomenon.

Factual narrative

The pilot stated that the purpose of the flight was to return back to his home airport. He configured the airplane for a three-point takeoff and added full power. During the takeoff roll, the airplane began to veer to the left and subsequently became airborne. As the airplane ascended to about 50 feet above ground level (agl), the left wing dropped and subsequently struck the ground. The airplane was substantially damaged when it tumbled in a cartwheel-type maneuver with the right wing flipping over and striking the terrain. The airplane came to rest on its belly in a grassy area adjacent to the taxiway. The pilot stated that there were no mechanical malfunctions or failures with the airplane that would have precluded normal operation. He noted that the wind was calm. He thought that the airplane initially veered left because of p-factor and his delay in recognizing this aerodynamic phenomenon.

Aircraft

Registration
N540TH
Reported as
Garland Avipro Bearhawk
Category
Airplane, amateur-built
Serial number
029-43-44-590
Airframe hours
81
Engine
Lycoming O-540-L35D, 235 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Garland Air LLC
Registered owner
Garland Air LLC
Airworthiness certificate
Special, Experimental (Special)
Departed
SHR · Sheridan, WY
Destination
BYG · Buffalo, WY
Airport
SHR · Sheridan County Airport, runway 23, 5,000 × 75 ft, asphalt

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
61
Injuries
Minor
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 3, With waivers/limitations
Flight hours
4,326 total · 56 in this make and model

Weather

Conditions
Visual (VMC) · Day
Visibility
10 statute miles
Lowest ceiling
None
Temperature
75 °F
Altimeter
30.20 inHg

Docket · 1

The files NTSB released with the investigation on July 8, 2013, on NTSB’s docket system: statements, records, photos and specialists’ reports. 719 KB 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.