ERA12LA233

NTSB accident investigation · Boehlke Kevin P 2/3 Scale Jenny · Hannacroix, NY · March 18, 2012

Accident · Serious injuriesLimited investigationFinal report
Date
March 18, 2012, 17:15 local (21:15 UTC)
Place
Hannacroix, NY
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N987KBBoehlke Kevin P 2/3 Scale Jenny
Defining event
Approach-VFR pattern final: Loss of engine power (partial)
Weather
Visual (VMC) · Day
Status
Completed · report October 9, 2012
Report
Approved by Office Director
NTSB office
Eastern Region Aviation
Parties
FAA/FSDO
FAA report
20120318006519A
Case key
83164

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 non-certificated pilot's improper high-speed taxi test, which resulted in a loss of control and the pilot's subsequent decision to take off to avoid trees. Also causal, was an in-flight magneto failure, which resulted in a partial loss of engine power. Contributing to the accident was the pilot's inability to maintain control of the airplane due to his lack of total flight experience and his lack of experience in the airplane make and model.

Findings · 6

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 non-certificated pilot built the airplane, which was certificated about 19 months earlier. According to the pilot, the airplane had not flown, and because he wanted to ensure it was flyable again, he conducted a high-speed taxi test with no intent for flight. During the taxi test, the pilot lost control of the airplane, and by the time he had regained control, the airplane was approaching the end of the runway. To avoid the trees, the pilot decided to take off and complete one circuit to a landing. As the pilot turned the airplane onto final approach, he noted a loss of engine power. The pilot then lost control of the airplane, regained it, and attempted to land in a small field as the airplane continued to lose altitude. The pilot avoided a barn, but while doing so, the airplane hit a pine tree, spun around into the direction from which it came, and dropped nose-first to the ground. Postflight examination of the airplane revealed evidence of low power on the 65-horsepower engine at impact, and the left magneto was inoperative. Federal Aviation Administration records indicated that the pilot had previously held a student pilot certificate, which expired in 2001, and the pilot indicated that he had no flight experience in the accident airplane make and model.

Factual narrative

On March 18, 2012, about 1715 eastern daylight time, an experimental amateur-built 2/3 Scale Jenny, N987KB, was substantially damaged when it impacted a tree and terrain in Hannacroix, New York. The non-certificated pilot was seriously injured. The unplanned local flight, which originated at Wayne Delp Airport (33NY), West Coxsackie, New York, was conducted under the provisions of 14 Code of Federal Regulations Part 91. According to the pilot/builder, he was conducting high speed taxi tests with no intent to fly. Nearing the end of runway 17, the airplane encountered a wind gust strong enough to lift the right wheel off the runway. By the time the pilot was able to regain control of the airplane, it was at the end of the runway, heading for a tree line. The pilot then felt that he had no other option but to "pull up" to avoid hitting the trees. After avoiding the trees, the pilot climbed the airplane to pattern altitude to attempt a return to the airport. As he turned the airplane onto final approach, it lost engine power. The airplane then "abruptly dropped to the left and rolled over, upside down," and began to spin towards the ground. The pilot was able to recover control, but the airplane continued to lose altitude. The pilot saw a small field, but had to clear a barn first. To miss the barn, the pilot banked the airplane to the left, but it hit a pine tree, spun around into the direction from which it came, and dropped nose-first into the ground. According to the responding Federal Aviation Administration (FAA) inspector, the pilot stated to him that the reason for the high speed taxi was that the airplane hadn't been flown in a long time and as the builder, he wanted to test it prior to putting it up for sale. The FAA inspector also clarified that the engine had lost partial power. FAA records indicated that the pilot was issued a student pilot certificate in June 1999, which would have expired in 24 months. The pilot indicated that he had no flight experience in the accident airplane make and model. FAA records also revealed that the airplane was issued an airworthiness certificate on August 27, 2010, and that the pilot was issued an inspection certificate for the airplane on September 23, 2010. The airplane was powered by a Continental Motors A65 engine, rated at 65 horsepower. During the postflight examination of the airplane, the FAA inspector found fuel in the fuel lines and lower fuel tank (the tank selected), and that the fuel was clean and absent of debris. He also provided photographs that showed that the wooden propeller had partially shattered in a direction opposite normal rotation, and he confirmed compression on all cylinders. He further confirmed that the right magneto was producing spark on all leads, but that the left magneto was not producing spark on any leads.

Aircraft

Registration
N987KB
Reported as
Boehlke Kevin P 2/3 Scale Jenny
Category
Airplane, amateur-built
Serial number
001
Airframe hours
2
Engine
Cont Motor A-65-1, 65 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Condition · September 29, 2011 · 2 hours before
Departed
33NY · West Coxsackie, NY
Destination
33NY · West Coxsackie, NY
Airport
33NY · Wayne Delp

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
55
Injuries
Serious
Seat
Rear
Flight hours
72 total · 0 in this make and model · 0 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
160° at 7 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
68 °F, dew point 48 °F
Altimeter
30.12 inHg
Observed at
ALB, 20 nm away

Docket · 3

The files NTSB released with the investigation on August 3, 2012, on NTSB’s docket system: statements, records, photos and specialists’ reports. 7.8 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.