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NTSB Report
October 25, 1982 · Cessna 172 · N23388
Lansing, IL
Overview
Report Status
Preliminary report
Event Type
Accident
Date
October 25, 1982
Injury Outcomes
3 injuries (3 minor injuries), 1 uninjured
Location
Lansing, IL
Aircraft
Cessna 172
Tail Number
N23388
Operator
Southlake Aviation
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
CHI83LA025
THE ACFT HAD A COMPLETE ELECTRICAL FAILURE & THE PLT MADE AN EMERGENCY LANDING AT LANSING. THE PLT WAS UNABLE TO LOWER THE FLAP, & AFTER ENCOUNTERING GROUND FOG LANDED LONG, BOUNCED, & GROUND LOOPED TO AVOID RUNNING OFF THE END OF THE RWY.INVEST OF THE ELECT SYSTEM REVEALED THAT AN UNIDENTIFIABLE NOISE FILTER HAD BEEN INSTALLED IN THE LINE OF THE OUTPUT SIDE OF THE ALTERNATOR. TESTING REVEALED THAT THE NOISE FILTER DEVELOPED VOLTAGE SPIKES THAT COULD INCREASE LINE VOLTAGEMOMENTARILY TO 16 VOLTS. THE OVERVOLTAGE SENSOR WAS INOPERATIVE. THE SENSOR WAS PROBABLY TRIPPED BY EXCESSIVE SPIKING ON THE LINE VOLTAGE WHICH WOULD TURN OFF THE ALTERNATOR SYSTEM ILLUMINATING THE OVERVOLTAGE WARNING LIGHT. HOWEVER, THE BULB WAS FOUND BURNED OUT. THIS CONDITION CAN USUALLY BE CORRECTED BY RECYCLING THE MASTER SWITCH TO RESUME NORMAL ALTERNATING CHARGING.
Full Narrative
THE ACFT HAD A COMPLETE ELECTRICAL FAILURE & THE PLT MADE AN EMERGENCY LANDING AT LANSING. THE PLT WAS UNABLE TO LOWER THE FLAP, & AFTER ENCOUNTERING GROUND FOG LANDED LONG, BOUNCED, & GROUND LOOPED TO AVOID RUNNING OFF THE END OF THE RWY.INVEST OF THE ELECT SYSTEM REVEALED THAT AN UNIDENTIFIABLE NOISE FILTER HAD BEEN INSTALLED IN THE LINE OF THE OUTPUT SIDE OF THE ALTERNATOR. TESTING REVEALED THAT THE NOISE FILTER DEVELOPED VOLTAGE SPIKES THAT COULD INCREASE LINE VOLTAGEMOMENTARILY TO 16 VOLTS. THE OVERVOLTAGE SENSOR WAS INOPERATIVE. THE SENSOR WAS PROBABLY TRIPPED BY EXCESSIVE SPIKING ON THE LINE VOLTAGE WHICH WOULD TURN OFF THE ALTERNATOR SYSTEM ILLUMINATING THE OVERVOLTAGE WARNING LIGHT. HOWEVER, THE BULB WAS FOUND BURNED OUT. THIS CONDITION CAN USUALLY BE CORRECTED BY RECYCLING THE MASTER SWITCH TO RESUME NORMAL ALTERNATING CHARGING.
Flight
Event TypeAccident
Event Time22:15 CDT
Nearest AirportLANSING (0nm N)
Runway27
Runway Length2470 ft
Runway Width75 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 172
Tail NumberN23388
Aircraft CategoryAir
DamageSubstantial
OperatorSouthlake Aviation
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320-F · Reciprocating · 150
Seats4
People & Injuries
Injury Summary3 injuries (3 minor injuries), 1 uninjured
Fatal0
Serious0
Minor3
Uninjured1
Total4
Crew 1Age 31 · Third Class
Conditions
ConditionsIMC
LightDark Night
Wind270° @ 4 kt
Visibility1 sm
CeilingNone
Temperature / Dew Point15 C / 0 C
Altimeter0