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NTSB Report
January 27, 1986 · Mooney M20C · N9307V
Loogootee, IN
Overview
Report Status
Preliminary report
Event Type
Accident
Date
January 27, 1986
Injury Outcomes
2 injuries (2 fatalities)
Location
Loogootee, IN
Aircraft
Mooney M20C
Tail Number
N9307V
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
CHI86FA077
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.
Full Narrative
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.
Flight
Event TypeAccident
Event Time18:45 EST
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledIFR
Aircraft FireBoth
Aircraft ExplosionNo
Aircraft
AircraftMooney M20C
Tail NumberN9307V
Aircraft CategoryAir
DamageDestroyed
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-360-A1A · Reciprocating · 180
Seats4
People & Injuries
Injury Summary2 injuries (2 fatalities)
Fatal2
Serious0
Minor0
Uninjured0
Total2
Crew 1Age 57 · Third Class
Conditions
ConditionsVMC
LightBright Night
Wind340° @ 8 kt
Visibility15 sm
CeilingNone
Temperature / Dew Point7 C / 7 C
Altimeter30.00 inHg
Observation Time23:48
Weather SourceWFAC