CHI02LA168

NTSB accident investigation · Bumgarner CA65 Sky Fly · Warrensburg, MO · June 15, 2002

Accident · Minor injuriesLimited investigationFinal report
Date
June 15, 2002, 15:30 local (20:30 UTC)
Place
Warrensburg, MO
Injuries
1 minor, 1 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N145JBBumgarner CA65 Sky Fly
Weather
Visual (VMC) · Day
Status
Completed · report February 25, 2003
Report
Approved by Office Director
Parties
FAA
FAA report
20020615027509A
Case key
54966

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 of the airplane during the takeoff roll. A factor associated with the accident was the overload failure of the right main landing gear.

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
Directional control - not maintainedPilot in commandCause
Main gear collapsedTakeoff - roll/run
Landing gear,main gear - overloadFactor

Analysis

The right main landing gear collapsed following a loss of directional control on takeoff. The pilot reported "Gear collapsed on takeoff roll after veering to the left. I throttled it back when it started going left." A witness reported seeing the airplane veer to the left of the runway during the takeoff roll. The witness reported the right main gear collapsed as the airplane went off of the runway into the grass. The propeller then hit the ground and the airplane turned approximately 30 degrees to the right before coming to a stop. The reported winds 15 miles southeast of the accident site, 25 minutes after the accident, were from 250 degrees at 10 knots. The pilot reported the local winds were from 270 degrees at 5 knots at the time of the accident. The airplane was originally built as a retractable gear airplane; however, the landing gear was safetied in the extended position

Factual narrative

On June 15, 2002, at 1530 central daylight time, an amateur built CA65 Sky Fly, N145JB, was substantially damaged when the landing gear collapsed during a takeoff roll on runway 31 (2,800 feet by 60 feet dry, asphalt) at the Skyhaven Airport, Warrensburg, Missouri. The pilot was not injured and the passenger received serious injuries. The 14 CFR Part 91 personal flight was operating in visual meteorological conditions without a flight plan. The flight was destined for the Gimlin Airport, Ozark, Missouri.

The pilot reported "Gear collapsed on takeoff roll after veering to the left. I throttled it back when it started going left."

A witness to the accident reported that the airplane accelerated on runway 31 for takeoff. It then started to veer off the runway to the left. The witness reported that the power came off and the brakes were applied. He reported that the right main gear collapsed as the airplane went off of the runway. The witness reported the propeller then hit the ground and the airplane turned approximately 30 degrees to the right before coming to a stop.

The winds reported at Whiteman Air Force Base, located 15 miles southeast of the accident site, at 1555 were from 250 degrees at 10 knots. The pilot reported the local winds were from 270 degrees at 5 knots at the time of the accident.

The airplane was originally built as a retractable gear airplane. An entry in the airplane logbook dated October 10, 2000 reads, "Landing gear safetied in the down position."

The owner of the airplane submitted the landing gear retracting lever to the National Transportation Safety Board for inspection. Inspection of the fracture surfaces under 10x magnification revealed a fracture indicative of overload.

Aircraft

Registration
N145JB
Reported as
Bumgarner CA65 Sky Fly
Category
Airplane, amateur-built
Serial number
001
Airframe hours
138
Engine
Lycoming O-290-G, 125 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Johnny G. Bumgarner
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · May 1, 2002 · 2 hours before
Departed
9K4 · Warrensburg, MO
Destination
18MO · Ozark, MO
Airport
9K4 · Skyhaven, runway 31, 2,800 × 60 ft, 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
71
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
274 total · 81 in this make and model · 3 in the last 90 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
250° at 10 knots
Visibility
7 statute miles
Lowest ceiling
25,000 ft broken
Temperature
84 °F, dew point 54 °F
Altimeter
29.88 inHg
Observed at
SZL, 15 nm away

Docket · 11

The files NTSB released with the investigation on December 2, 2002, 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.