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NTSB Report
October 6, 1988 · Cessna 172 · N739PE
Sandston, VA
Overview
Report Status
Preliminary report
Event Type
Accident
Date
October 6, 1988
Injury Outcomes
1 injury (1 minor injury)
Location
Sandston, VA
Aircraft
Cessna 172
Tail Number
N739PE
Operator
Randolph S Scott
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
BFO89LA001
THE PLT SAID HE WAS ON FINAL APCH ABOUT 600 TO 800 FT AGL WHEN POWER LOSS OCCURRED. HE FORCED LANDED ON AN OPEN FIELD ABOUT 1/2 MI SHORT OF THE RWY. THE ENG EXAM REVEALED THAT TWO TEETH OF THE IDLER GEAR HAD SEPARATED. THIS RESULTED IN A LOSS OF CONTINUITY BETWEEN THE CRANKSHAFT, THE CAMSHAFT, AND THE LEFT MAGNETO. METALLURGICAL EXAM DISCLOSED THAT THE TEETH SEPARATED BECAUSE OF OVERLOAD. THE ENGINE HAD BEEN INSTALLED ON ANOTHER AIRCRAFT THAT WAS INVOLVED IN AN ACCIDENT OF WHICH THE DETAILS WERE NOT DETERMINED.
Full Narrative
THE PLT SAID HE WAS ON FINAL APCH ABOUT 600 TO 800 FT AGL WHEN POWER LOSS OCCURRED. HE FORCED LANDED ON AN OPEN FIELD ABOUT 1/2 MI SHORT OF THE RWY. THE ENG EXAM REVEALED THAT TWO TEETH OF THE IDLER GEAR HAD SEPARATED. THIS RESULTED IN A LOSS OF CONTINUITY BETWEEN THE CRANKSHAFT, THE CAMSHAFT, AND THE LEFT MAGNETO. METALLURGICAL EXAM DISCLOSED THAT THE TEETH SEPARATED BECAUSE OF OVERLOAD. THE ENGINE HAD BEEN INSTALLED ON ANOTHER AIRCRAFT THAT WAS INVOLVED IN AN ACCIDENT OF WHICH THE DETAILS WERE NOT DETERMINED.
Flight
Event TypeAccident
Event Time16:00 EDT
Nearest AirportBYRDINTL (0nm N)
Runway2
Runway Length6607 ft
Runway Width150 ft
Flight Plan FiledVFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 172
Tail NumberN739PE
Aircraft CategoryAir
DamageSubstantial
OperatorRandolph S Scott
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320-H2AD · Reciprocating · 160
Seats4
People & Injuries
Injury Summary1 injury (1 minor injury)
Fatal0
Serious0
Minor1
Uninjured0
Total1
Crew 1Age 36 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind330° @ 4 kt
Visibility15 sm
CeilingBroken clouds 25000 ft
Temperature / Dew Point59 / 34 C
Altimeter30.00 inHg
Observation Time19:51
Weather SourceWFAC