ERA20CA152

NTSB accident investigation · Holmgren Bearhawk · Ahoskie, NC · April 17, 2020

Accident · No injuriesData collectionFinal report
Date
April 17, 2020, 11:00 local (15:00 UTC)
Place
Ahoskie, NC
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N118CRHolmgren Bearhawk
Defining event
Landing: Landing gear collapse
Weather
Visual (VMC) · Day
Status
Completed · report August 3, 2020
Report
Approved by Office Director
NTSB office
Eastern Region Aviation
Parties
FAA/FSDO
FAA report
20200417004209A
Case key
101179

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 collapse of the right main landing gear during a bounced, crosswind landing.

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.

Wind: crosswindEnvironmental issues › Conditions/weather/phenomena · Effect on operationJohn A Holmgren BEARHAWK: 1 caseAll aircraft: 1,008 casesProbable cause

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, during landing roll, the right main landing gear (MLG) collapsed. He added that there were two bolts that secure the right MLG and that he found them both fractured after the accident. The pilot believed that one of the bolts was not properly tightened/torqued and failed first and that the second bolt then failed due to overstress. A witness who was working at the airport at the time of the accident reported that he noticed a small airplane approaching and that it appeared to be "wobbling" as it came in for landing. Upon landing, the airplane "bounced" on the runway, turned left, and departed the runway. The witness was unable to see the entire touchdown because his line of sight was partially obscured by buildings, but he noticed that one wingtip seemed to rise 15 to 20 ft during the bounce. The airplane sustained substantial damage to the right wing, airframe, and tailwheel. A 6-knot crosswind existed at the time of the landing.

Factual narrative

The pilot of the experimental, amateur-built tailwheel airplane was also the owner and maintained it as well. He stated that during landing, the right main landing gear collapsed. He added that there were two bolts that secure the right main landing gear and he found them both fractured after the accident. The pilot believed that one of the bolts was not properly tightened/torqued and failed first, and then the second bolt failed due to overstress. A witness, who was working on that airport at the time, reported that while driving back to the terminal, he noticed a small airplane approaching and it caught his attention as it appeared to be "wobbling" as it came in for landing. It then appeared as if the airplane "bounced" on the runway and departed the left side of the runway. The witness was unable to see the entire airplane touch down due his line of sight being partially obscured by buildings, but he noticed that one wingtip seemed to rise 15 to 20 ft during the "bounce." Examination of the wreckage revealed damage to the right wing, airframe, and tailwheel. The recorded wind at the airport, about 5 minutes before the accident, indicated an 80° left crosswind at 6 knots.

Aircraft

Registration
N118CR
Reported as
Holmgren Bearhawk
Category
Airplane, amateur-built
Serial number
88
Built
2013
Airframe hours
169
Engine
Lycoming O-540, 250 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Condition · September 18, 2019 · 3 hours before
Departed
ROA · Roanoke, VA
Destination
ASJ · Ahoskie, NC
Airport
ASJ · Tri-County Airport, runway 19, 4,501 × 75 ft, asphalt
Equipment
Angle of attack indicator, Heads up display

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
78
Injuries
None
Certificates
Commercial, Airline transport
Airplane ratings
Multi-engine sea, Single-engine land, Single-engine sea
Instrument ratings
Airplane
Medical
Class 2, With waivers/limitations
Last flight review
October 29, 2019
Seat
Left
Restraint
Lap only
Flight hours
16,000 total · 300 in this make and model · 16,000 as pilot in command · 30 in the last 90 days · 12 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
110° at 6 knots
Lowest ceiling
None
Temperature
59 °F, dew point 39 °F
Altimeter
30.30 inHg
Observed at
ASJ

Docket · 5

The files NTSB released with the investigation on May 28, 2020, on NTSB’s docket system: statements, records, photos and specialists’ reports. 3.7 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.