SEA05CA119

NTSB accident investigation · Adkins Ridge Runner II · Pocatello, ID · June 19, 2005

Accident · No injuriesData collectionFinal report
Date
June 19, 2005, 07:30 local (13:30 UTC)
Place
Pocatello, ID
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N825PBAdkins Ridge Runner II
Weather
Visual (VMC) · Day
Status
Completed · report September 13, 2005
Report
Approved by Office Director
FAA report
20050619011799A
Case key
61754

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 during the takeoff roll, which resulted in an inadvertent ground loop/swerve.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of control - on ground/waterTakeoff - roll/run
QualificationPilot in command
Directional control - not maintainedPilot in command(cfi)Cause
Ground loop/swerve - inadvertentPilot in command(cfi)
Main gear collapsedTakeoff - roll/run
Landing gear,main gear - overload

Analysis

The pilot reported that after applying full power for takeoff the airplane turned to the left. He reported that corrective actions were attempted; however the airplane "spun around" and the left main gear collapsed. During a telephone conversation with the NTSB (IIC), the pilot stated he had accumulate approximately 5 hours and fifty landings in tail wheel equipped aircraft, however he had not received a tail wheel endorsement (required by FAR 61.31[I]). The pilot noted in his written report to the NTSB that there were no preaccident mechanical anomalies with the airplane.

Factual narrative

On June 19, 2005, about 0730 mountain daylight time, an experimental category, tail wheel equipped, Adkins Ridge Runner II, N825PB, sustained substantial damage during the takeoff roll at the Pocatello Regional Airport, Pocatello, Idaho. The airplane was being operated as a visual flight rules (VFR) local area flight under the provisions of Title 14 CFR Part 91 when the accident occurred. The solo commercial pilot was not injured. Visual meteorological conditions prevailed and no flight plan was filed for the flight.

In a written statement to the National Transportation Safety Board (NTSB), dated June 21, the pilot reported that after applying full power for takeoff the airplane turned to the left. He reported that corrective actions were attempted; however the airplane "spun around" and the left main gear collapsed.

During a telephone conversation with the NTSB (IIC) on June 28, the pilot stated he had accumulate approximately 5 hours and fifty landings in tail wheel equipped aircraft, however he had not received a tail wheel endorsement (required by FAR 61.31[I]).

The pilot noted in his written report to the NTSB that there were no preaccident mechanical anomalies with the airplane.

Aircraft

Registration
N825PB
Reported as
Adkins Ridge Runner II
Category
Airplane, amateur-built
Serial number
722811
Engine
Rotax 503, reciprocating
Damage
Substantial damage
Flight
Part 91
Registered owner
David E. Adkins
Airworthiness certificate
Special, Experimental (Special)
Departed
PIH · Pocatello, ID
Destination
Pocatello, ID
Airport
PIH · Pocatello Regional, runway 21, 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
52
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3
Flight hours
150 total · 150 in this make and model · 9 in the last 90 days · 9 in the last 30 days

Weather

Conditions
Visual (VMC) · Day

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 N825PB · 1

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