ERA13CA008

NTSB accident investigation · Sanders Ben G III DR-107 · Warrenton, VA · October 3, 2012

Accident · No injuriesData collectionFinal report
Date
October 3, 2012, 17:00 local (21:00 UTC)
Place
Warrenton, VA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N63071Sanders Ben G III DR-107
Defining event
Landing-flare/touchdown: Landing area undershoot
Weather
Visual (VMC) · Day
Status
Completed · report February 27, 2013
Report
Approved by Office Director
NTSB office
Eastern Region Aviation
Parties
FAA/FSDO
FAA report
20121003022479A
Case key
85261

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

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Probable cause

The pilot's failure to attain the proper touchdown point, which resulted in an undershoot of the runway.

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.

Action: incorrect action performancePersonnel issues › Action/decision · PilotAll aircraft: 1,386 casesProbable cause
Info processing/decision: identification/recognitionPersonnel issues › Action/decision · PilotAll aircraft: 559 casesProbable cause
Performance/control parameters: landing flareAircraft › Aircraft oper/perf/capability · Not attained/maintainedAll aircraft: 1,285 casesProbable cause
Landing gear system: main gear strut/axle/truckAircraft › Aircraft systems · Damaged/degradedAll aircraft: 86 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 he landed short and the left wheel collided with the elevated edge of the runway threshold. During the accident sequence, the airplane's left wheel separated from the landing gear axle and punctured the left wing spar and rib, resulting in substantial damage to the left wing. Examination of the wreckage did not reveal any preimpact mechanical malfunctions. The pilot did not report any preaccident mechanical malfunctions or failures that would have precluded normal operation.

Factual narrative

The pilot reported that they landed short and the left wheel collided with the elevated edge of the runway threshold. During the accident sequence, the airplane's left gear wheel broke off of the landing gear axle and punctured the left wing spar and rib. The airplane sustained substantial damage to the left wing. Examination of the wreckage by a Federal Aviation Administration inspector did not reveal any preimpact mechanical malfunctions. The pilot did not report any preaccident mechanical malfunctions or failures that would have precluded normal operation.

Aircraft

Registration
N63071
Reported as
Sanders Ben G III DR-107
Category
Airplane, amateur-built
Serial number
94-0067
Airframe hours
220
Engine
Lycoming 0-360-A1D, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Condition · February 13, 2012
Departed
HWY · Warrenton, VA
Destination
HWY · Warrenton, VA
Flight plan
Unknown
Airport
HWY · Warrenton-Fauquier Airport, runway 15, 5,000 × 100 ft, asphalt

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
22
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Without waivers/limitations
Last flight review
August 22, 2012
Seat
Single
Flight hours
260 total · 0 in this make and model · 217 as pilot in command · 40 in the last 90 days · 13 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
190° at 4 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
82 °F, dew point 73 °F
Altimeter
30.05 inHg
Observed at
HWY

Docket · 4

The files NTSB released with the investigation on December 11, 2012, on NTSB’s docket system: statements, records, photos and specialists’ reports. 10.8 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.