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NTSB Report
January 15, 1991 · Cessna 172P · N62960
Charleston, WV
Overview
Report Status
Probable Cause
Event Type
Accident
Date
January 15, 1991
Injury Outcomes
No injuries (1 uninjured)
Location
Charleston, WV
Aircraft
Cessna 172P
Tail Number
N62960
Operator
Executive Air Terminal
Injuries
None
Aircraft Damage
Substantial
NTSB Number
NYC91LA059
THE PILOT WAS ON A LOCAL FAMILIARIZATION FLIGHT WHEN HE EXPERIENCED A TOTAL LOSS OF POWER. HE MADE A FORCED LANDING IN A FIELD SOFTENED BY RECENT RAIN. UPON TOUCHDOWN, THE NOSE WHEEL DUG IN AND THE AIRPLANE FLIPPED OVER. POST CRASH EXAMINATION OF THE ENGINE REVEALED THE DOWEL PIN FOR THE ACCESSORY DRIVE GEAR HAD SHEARED. ACCORDING TO THE ENGINE OVERHAUL RECORDS THERE WAS NO EVIDENCE THAT LYCOMING SB 475, OR SI 1179D, ITS PREDECESSOR HAD BEEN COMPLIED WITH. EXAMINATION OF THE FORMS USED IN THE ENGINE OVERHAUL SHOP FAILED TO FIND A LISTING OF SB 475 OR SI 1179D AS AN ITEM TO BE CHECKED.
NTSB Probable Cause
TOTAL LOSS OF ENGINE POWER IN CRUISE FLIGHT DUE TO FAILURE OF THE ACCESSORY DRIVE GEAR DOWEL PIN RESULTING IN A FORCED LANDING OVER UNSUITABLE TERRAIN AND SUBSEQUENT NOSE OVER ON LANDING ROLL. A FACTOR RELATED TO THE ACCIDENT WAS THE IMPROPER PROCEDURE USED DURING ENGINE OVERHAUL.
Full Narrative
THE PILOT WAS ON A LOCAL FAMILIARIZATION FLIGHT WHEN HE EXPERIENCED A TOTAL LOSS OF POWER. HE MADE A FORCED LANDING IN A FIELD SOFTENED BY RECENT RAIN. UPON TOUCHDOWN, THE NOSE WHEEL DUG IN AND THE AIRPLANE FLIPPED OVER. POST CRASH EXAMINATION OF THE ENGINE REVEALED THE DOWEL PIN FOR THE ACCESSORY DRIVE GEAR HAD SHEARED. ACCORDING TO THE ENGINE OVERHAUL RECORDS THERE WAS NO EVIDENCE THAT LYCOMING SB 475, OR SI 1179D, ITS PREDECESSOR HAD BEEN COMPLIED WITH. EXAMINATION OF THE FORMS USED IN THE ENGINE OVERHAUL SHOP FAILED TO FIND A LISTING OF SB 475 OR SI 1179D AS AN ITEM TO BE CHECKED.
Flight
Event TypeAccident
Event Time10:49 EST
Nearest Airport0nm
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 172P
Tail NumberN62960
Aircraft CategoryAir
DamageSubstantial
OperatorExecutive Air Terminal
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320-D2J · Reciprocating · 160
Seats4
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 22 · First Class
Conditions
ConditionsVMC
LightDaylight
Wind10° @ 3 kt
Visibility9 sm
CeilingNone
Temperature / Dew Point45 C / 0 C
Altimeter30.00 inHg
Weather SourcePILO