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NTSB accident investigation · Eugene Wells Dragon Fly-B · Kailua/Kona, HI · November 13, 2018

Accident · No injuriesData collectionFinal report
Date
November 13, 2018, 11:30 local (20:30 UTC)
Place
Kailua/Kona, HI
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N5023GEugene Wells Dragon Fly-B
Defining event
Landing: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed · report June 10, 2019
Report
Approved by Office Director
NTSB office
General Aviation Accidents
Parties
FAA
FAA report
20181113022519A
Case key
98635

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 maintain directional control during landing in a crosswind. Contributing to the accident was the pilot’s lack of experience in tailwheel airplanes for which he did not have an endorsement.

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.

Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedWells Eugene DRAGON FLY-B: 1 caseAll aircraft: 3,958 casesProbable cause
Wind: crosswindEnvironmental issues › Conditions/weather/phenomena · Effect on operationWells Eugene DRAGON FLY-B: 1 caseAll aircraft: 1,008 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 of the tailwheel-equipped airplane reported that, during the approach, there was "heavy traffic" behind his airplane and a right crosswind. He added that, during a wheel landing, he tried to "maintain speed" to clear the runway, but the airplane began to "fishtail." He added power to regain control, but the airplane exited the left side of the runway, the left wing impacted the ground, and the airplane came to rest in a "lava field." The airplane sustained substantial damage to the left wing. The pilot reported that the accident was due to pilot error because of his lack of experience in the airplane. He added that he did not have a tailwheel endorsement and had a total of only 3 flight hours experience in tailwheel airplanes with a flight instructor. The airport’s automated weather observation system reported that, about the time of the accident, the wind was from 220° at 9 knots. The pilot landed the airplane on runway 17.

Factual narrative

The pilot of the tailwheel-equipped airplane reported that, during the approach, there was "heavy traffic" behind, and a crosswind from the right. During a wheel landing, he tried to "maintain speed" to clear the runway, but the airplane began to "fishtail". He added power to regain control, but the airplane exited the left side of the runway, the left wing impacted the ground, and the airplane came to rest in a "lava field". The pilot further reported the accident was pilot error due to lack of experience in the airplane. He added that he did not have a tailwheel endorsement, and had a total of 3 flight hours in tailwheel airplanes with a certified flight instructor. The airplane sustained substantial damage to the left wing. The automated weather observation system at the airport reported that, about the time of the accident, the wind was from 220° at 9 knots. The pilot was landing on runway 17. After multiple attempts, the pilot failed to submit the National Transportation Safety Board form 6120.1.

Aircraft

Registration
N5023G
Reported as
Eugene Wells Dragon Fly-B
Category
Airplane, amateur-built
Serial number
1
Built
1979
Engine
Lycoming, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Special, Experimental (Special)
Destination
KOA · Kailua/Kona, HI
Flight plan
Unknown
Airport
KOA · Ellison Onizuka Kona Intl At K, runway 17, 11,000 × 150 ft, asphalt
Equipment
Unknown

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
70
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
BasicMed, Without waivers/limitations

Weather

Conditions
Visual (VMC) · Day
Wind
220° at 9 knots
Visibility
10 statute miles
Temperature
82 °F, dew point 64 °F
Altimeter
29.98 inHg
Observed at
PHKO

Docket · 3

The files NTSB released with the investigation on March 11, 2019, on NTSB’s docket system: statements, records, photos and specialists’ reports. 832 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.