- Date
- June 20, 1986, 14:45 local (18:45 UTC)
- Place
- West Chester, OH
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N6639PPiper PA-24-250
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19860620029539A
- Case key
- 7135
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
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.
Analysis
Drg flt, the eng lost power & the plt was unable to maintain alt. He made a forced landing on a road, but drg the lndg roll, the acft collided with a road sign. A post crash exam of the eng revealed the #6 cylinder had separated aprx 4' above the cylinder flange. A metallurgical exam of the fracture surface revealed there was a fatigue crack present priorto the failure. The eng was overhauled aprx 11 flt hrs prior to the accident. No fatigue cracking was noted at that time.
Aircraft
- Registration
- N6639P
- Reported as
- Piper PA-24-250
- Category
- Airplane
- Serial number
- 24-1761
- Airframe hours
- 4,425
- Engine
- Lycoming O-540-A1C5, 250 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Business · Part 91
- Operator
- Robert O. Hefner
- Airworthiness certificate
- Standard, Normal
- Last inspection
- 100 hour · June 20, 1985 · 177 hours before
- Departed
- CMH · Columbus, OH
- Destination
- LUK · Cincinnati, OH
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
- 54
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 3, Valid Medical--w/ waivers/lim
- Seat
- Left
- Flight hours
- 1,924 total · 501 in this make and model · 1,793 as pilot in command · 50 in the last 90 days · 5 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Visibility
- 5 statute miles
- Lowest ceiling
- None
- Temperature
- -0 °F, dew point -0 °F
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.