CHI86FA077

NTSB accident investigation · Mooney M20C · Loogootee, IN · January 27, 1986

Accident · FatalField investigationFinal report
Date
January 27, 1986, 18:45 local (23:45 UTC)
Place
Loogootee, IN
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N9307VMooney M20C
Weather
Visual (VMC) · Night/bright
Status
Completed · report April 25, 1988
Report
Approved by Office Director
FAA report
19860127001399A
Case key
13240

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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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 engine power(partial) - mech failure/malfCruise - normal
Engine assembly,cylinder - separationCause
Maintenance,installation - improperOther maintenance personnelCause
FireDescent - emergency
Emergency procedure - attemptedPilot in command
Proper descent rate - not maintainedPilot in commandFactor
Diverted attentionPilot in commandFactor
PanicPilot in commandFactor
Loss of control - in flightDescent - emergency
Airspeed - not maintainedPilot in commandCause
Stall/spin - inadvertentPilot in commandCause
Remedial action - not possiblePilot in command
In flight collision with terrain/waterDescent - uncontrolled

Analysis

Plt experienced loss of pwr during cruise flt at 6,000 feet. ATC vectored acft toward daviess county arpt, approximately 10 miles away. Plt reported acft on fire. Witnesses saw N9307V in a left bank turn then 'nose dive into ground.' Post crash exam of engine revealed no. 3 cylinder deparated from crankcase. Further exam revealed the throughbolts/nuts were under torqued. The no. 2 and no. 4 cylinders were top overhauled in July 1981. Metallurgical exam of bolts/nuts revealed fatigue failures and 'working' of no. 3 cylinder for a long period of time.

Aircraft

Registration
N9307V
Reported as
Mooney M20C
Category
Airplane
Serial number
690089
Airframe hours
3,890
Engine
Lycoming O-360-A1A, 180 horsepower, reciprocating
Damage
Destroyed
Fire
Both
Flight
Personal · Part 91
Registered owner
Mckinley Thompson
Airworthiness certificate
Standard, Normal
Last inspection
Annual · March 25, 1985 · 94 hours before
Departed
BWG · Bowling Green, KY
Destination
GYY · Gary, IN
Flight plan
IFR

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
57
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Toxicology
Performed
Flight hours
815 total · 285 in this make and model · 641 as pilot in command · 4 in the last 90 days

Weather

Conditions
Visual (VMC) · Night/bright
Wind
340° at 8 knots
Visibility
15 statute miles
Lowest ceiling
None
Temperature
7 °F, dew point 7 °F
Altimeter
30.00 inHg
Observed at
HUF, 49 nm away

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.