PIPER PA32R

Canon City, CO — November 20, 2020

Event Information

DateNovember 20, 2020
Event TypeACC
NTSB NumberCEN21LA065
Event ID20201124102334
LocationCanon City, CO
CountryUSA
Coordinates38.42856, -105.10685
AirportFremont County Airport
Highest InjuryNONE

Aircraft

MakePIPER
ModelPA32R
CategoryAIR
FAR Part091
Aircraft DamageSUBS

Conditions

Light ConditionNITE
WeatherVMC

Injuries

Fatal0
Serious0
Minor0
None3
Total Injured0

Event Location

Probable Cause

The failure of the alternator drive belt, which resulted in insufficient electrical power to extend the landing gear and a subsequent gear-up landing.
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Full Narrative

On November 19, 2020, about 1820 mountain standard time, a Piper PA32R airplane, N4187H, was substantially damaged when it was involved in an accident in Canon City, Colorado. The flight instructor and pilot receiving instruction were not injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 personal flight.

According to the pilot receiving instruction, he asked the flight instructor to conduct night takeoffs and landings so that he could meet night currency requirements. A before-takeoff engine run-up revealed no anomalies. 

Shortly after takeoff, the battery warning light illuminated. They checked the circuit breakers, the alternator switch, and the master switch; all appeared normal and/or in the “ON” position. The voltage continued to decrease, and they agreed to return to the airport. While on final approach for landing, the instructor asked the pilot to lower the landing gear. The pilot advised the landing gear was down; then all the light flickered, and the instrument panel went dark. When the airplane touched down on the runway, the instructor stated that he noticed the propeller had stopped and heard a grinding sound. He immediately realized they had landed gear-up.

According to a Federal Aviation Administration inspector, the airplane sustained substantial damage to the fuselage. Examination of the engine revealed that the alternator drive belt had failed, and it was found lying in the engine compartment. The alternator drive belt was inspected and replaced on July 12, 2019, and most recently inspected during the annual inspection on May 6, 2020. 

About This NTSB Record

This aviation event was investigated by the National Transportation Safety Board (NTSB). NTSB investigates all U.S. civil aviation accidents to determine probable cause and issue safety recommendations to prevent future accidents.

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