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NTSB Report
August 24, 1991 · Cessna C-210L · N2190S
Cheyenne, WY
Overview
Report Status
Probable Cause
Event Type
Accident
Date
August 24, 1991
Injury Outcomes
2 injuries (2 minor injuries), 1 uninjured
Location
Cheyenne, WY
Aircraft
Cessna C-210L
Tail Number
N2190S
Operator
Gary D Schmitz
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
SEA91LA221
THE ACFT ENG LOST POWER ABOUT 1500 FT AGL AND THE PILOT INITIATED AN EMERGENCY FORCED LANDING TO AN OPEN FIELD. THE PILOT MANEUVERED AT A LOW ALTITUDE DURING THE DESCENT, STALLED THE ACFT, WHICH LANDED HARD AND NOSED OVER. EXAM OF THE ENGINE REVEALED THE MAIN BEARINGS HAD SHIFTED, BLOCKED LUBRICATION PORTS, AND THE NO 1 ROD BEARING FAILED FROM LACK OF LUBRICATION. THE ENG HAD 35 HRS FLT TIME SINCE TOP OVERHAUL.
NTSB Probable Cause
MAINTENANCE PERSONNEL DID NOT PERFORM A PROPER TOP OVERHAUL. THIS RESULTED IN ENGINE FAILURE DUE TO THE FAILURE OF A CONNECTING ROD BEARING. FACTORS INCLUDE THE HARD LANDING RESULTING FROM THE PREMATURE LANDING FLARE BY THE PILOT.
Full Narrative
THE ACFT ENG LOST POWER ABOUT 1500 FT AGL AND THE PILOT INITIATED AN EMERGENCY FORCED LANDING TO AN OPEN FIELD. THE PILOT MANEUVERED AT A LOW ALTITUDE DURING THE DESCENT, STALLED THE ACFT, WHICH LANDED HARD AND NOSED OVER. EXAM OF THE ENGINE REVEALED THE MAIN BEARINGS HAD SHIFTED, BLOCKED LUBRICATION PORTS, AND THE NO 1 ROD BEARING FAILED FROM LACK OF LUBRICATION. THE ENG HAD 35 HRS FLT TIME SINCE TOP OVERHAUL.
Flight
Event TypeAccident
Event Time05:30 MDT
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna C-210L
Tail NumberN2190S
Aircraft CategoryAir
DamageSubstantial
OperatorGary D Schmitz
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · TSIO-520-H4B · Reciprocating · 285
Seats6
People & Injuries
Injury Summary2 injuries (2 minor injuries), 1 uninjured
Fatal0
Serious0
Minor2
Uninjured1
Total3
Crew 1Age 37 · Third Class
Conditions
ConditionsVMC
LightDawn
Wind260° @ 11 kt
Visibility30 sm
CeilingNone
Temperature / Dew Point61 F / 41 C
Altimeter30.00 inHg
Observation Time12:20
Weather SourceWFAC