On October 25, 1982, a Cessna 172 (registration N23388) operated by Southlake Aviation was involved in an aviation accident near Lansing, IL. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive; 1 related events involving the same aircraft type or operator are linked below.
An aircraft experienced a complete electrical failure, forcing an emergency landing at Lansing. The pilot could not lower flaps, landed long in fog, bounced, and ground looped to avoid overrun. Investigation found an improper noise filter installation causing voltage spikes.
Incident Overview
An aircraft suffered a complete electrical failure, prompting the pilot to execute an emergency landing at Lansing. During the approach, the pilot was unable to lower the flaps. After encountering ground fog, the aircraft landed long, bounced, and subsequently ground looped to avoid running off the end of the runway.
Electrical System Investigation
Examination of the electrical system revealed that an unidentifiable noise filter had been installed in the output line of the alternator. Testing showed that the noise filter generated voltage spikes that could momentarily increase line voltage to 16 volts. The overvoltage sensor was found to be inoperative; it would have normally tripped due to excessive spiking on the line voltage, which would turn off the alternator system and illuminate the overvoltage warning light. However, the warning light bulb was burned out. The condition could typically be corrected by recycling the master switch to resume normal alternator charging.
What happened in the 25 Oct 1982 Cessna 172 accident near Lansing, IL?
An aircraft experienced a complete electrical failure, forcing an emergency landing at Lansing. The pilot could not lower flaps, landed long in fog, bounced, and ground looped to avoid overrun. Investigation found an improper noise filter installation causing voltage spikes.
What aircraft was involved and where did it happen?
The accident on 25 Oct 1982 involved a Cessna 172, registration N23388, operated by Southlake Aviation, at Lansing, IL.
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