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NTSB Report
November 17, 1988 · Cessna 210B · N5021P
Uriah, AL
Overview
Report Status
Preliminary report
Event Type
Accident
Date
November 17, 1988
Injury Outcomes
1 injury (1 minor injury)
Location
Uriah, AL
Aircraft
Cessna 210B
Tail Number
N5021P
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
ATL89LA034
WHILE CRUISING AT 6500 FT, THE ENG LOST POWER & THE PROP STOPPED WINDMILLING. THE PLT ELECTED TO LAND ON A HIGHWAY. DRG THE LANDING, THE RIGHT WING HIT OVERHANGING TREE LIMBS WHICH YAWED THE ACFT OFF THE RIGHT SIDE OF THE ROAD & DOWN AN EMBANKMENT. THE ENG WAS REMOVED & DISASSEMBLED WHICH REVEALED THE CRANKSHAFT HAD FAILED FROM FATIGUE AT THE #2 CRANK CHEEK. FATIGUE HAD ORIGINATED AT THE FRONT CORNER OF THE #2 CHEEK LIGHTENING HOLE. THE ENG WAS MANUFACTURED IN 1961. IN 1962, THE MANUFACTURER REDESIGNED THE CRANKSHAFT FOR THIS MODEL OF ENG BY ELIMINATING THE LIGHTENING HOLE. IN MAY 1962, CONTINENTAL SVC BULLETIN (SB) M62-8 ADZD OF THE AVAILABILITY OF THE IMPROVED CRANKSHAFT. THE ENG OF N5021P WAS OVERHAULED ON 7/21/75 AT 1486 HRS. AT THAT TIME, THE CRANKSHAFT WAS REMOVED, MAGNAFLUXED & REINSTALLED. TIME SINCE OVERHAUL WAS 695 HRS. TOTAL ENG TIME WAS 2181 HRS.
Full Narrative
WHILE CRUISING AT 6500 FT, THE ENG LOST POWER & THE PROP STOPPED WINDMILLING. THE PLT ELECTED TO LAND ON A HIGHWAY. DRG THE LANDING, THE RIGHT WING HIT OVERHANGING TREE LIMBS WHICH YAWED THE ACFT OFF THE RIGHT SIDE OF THE ROAD & DOWN AN EMBANKMENT. THE ENG WAS REMOVED & DISASSEMBLED WHICH REVEALED THE CRANKSHAFT HAD FAILED FROM FATIGUE AT THE #2 CRANK CHEEK. FATIGUE HAD ORIGINATED AT THE FRONT CORNER OF THE #2 CHEEK LIGHTENING HOLE. THE ENG WAS MANUFACTURED IN 1961. IN 1962, THE MANUFACTURER REDESIGNED THE CRANKSHAFT FOR THIS MODEL OF ENG BY ELIMINATING THE LIGHTENING HOLE. IN MAY 1962, CONTINENTAL SVC BULLETIN (SB) M62-8 ADZD OF THE AVAILABILITY OF THE IMPROVED CRANKSHAFT. THE ENG OF N5021P WAS OVERHAULED ON 7/21/75 AT 1486 HRS. AT THAT TIME, THE CRANKSHAFT WAS REMOVED, MAGNAFLUXED & REINSTALLED. TIME SINCE OVERHAUL WAS 695 HRS. TOTAL ENG TIME WAS 2181 HRS.
Flight
Event TypeAccident
Event Time11:54 CST
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 210B
Tail NumberN5021P
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · IO-470-S · Reciprocating · 260
Seats4
People & Injuries
Injury Summary1 injury (1 minor injury)
Fatal0
Serious0
Minor1
Uninjured0
Total1
Crew 1Age 37 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind345° @ 10 kt
Visibility15 sm
CeilingNone
Temperature / Dew Point70 F
Altimeter30.00 inHg
Weather SourcePILO