RANCANG BANGUN ALAT PENDETEKSI GAS BUANG KARBON MONOKSIDA (CO) PADA PESAWAT CESSNA 402B

The Cessna 402B is a small, twin-piston engine aircraft used in general aviation and special missions. Airplane exhaust gases, such as carbon monoxide (CO), are potentially dangerous. This research aims to understand carbon monoxide (CO) concentrations in aircraft to reduce health risks and improve flight safety. This research uses an experimental method with the MQ-9 sensor to detect carbon monoxide (CO). The process includes hardware and software design, sensor calibration, and distance testing. The data was analyzed using statistics to measure the accuracy of the tool in detecting carbon monoxide (CO) on the Cessna 402B aircraft and compare the results with standard tools. The aim of this research is to design a carbon monoxide (CO) detection device for the Cessna 402B aircraft and evaluate its performance in detecting dangerous exhaust gases. The results show that the carbon monoxide (CO) detector based on the MQ-9 sensor achieves an accuracy of 82.24% with an error of 17.76%. Distance confirms optimal detection up to 40 cm. The implementation results on the Cessna 402B aircraft show that the accuracy of carbon monoxide (CO) gas reached 79.31% with an error of 21.69% and a time of 88.96% with an error of 11.04%. This tool is effective for implementation on Cessna 402B aircraft.