Pesawat model fixed wing yang telah dirancang dan dibuat adalah untuk mengambil data ukur untuk perhitungan turning performance. Parameter turning performance terdiri dari airspeed, turn radius, load factor, bank angle, dan turn rate. Perancangan sistem kontrol dan instrumentasi dibuat agar pesawat dapat melakukan misi terbang dengan mode terbang loiter pada satu titik. Sistem kontrol pesawat model dilengkapi oleh sebuah flight controller agar dapat menerapkan sistem semi autopilot pada pesawat model. Sistem instrumentasi terdiri dari visual cockpit pada ground control station (Mission Planner), radio telemetri sebagai pengantar data, dan tiga sensor yaitu sensor airspeed, sensor gyro dan sensor GPS agar pesawat dapat menjalankan misi terbang. Model Simulink dibuat untuk memudahkan perhitungan load factor dan bank angle. Data ukur untuk proses perhitungan turning performance menggunakan data dummy dengan turn speed (V) sebesar 12.14 m/s dengan radius belok (R) sebesar 72.79 m. Hasil pengolahan data didapatkan turn rate (�‰) sebesar 0.1668 rad/s, load factor (n) sebesar 1.021 dan bank angle (†) sebesar 11.67 derajat. Pengujian sistem menggunakan kendaraan bermotor dilakukan untuk mengetahui apakah sistem sudah dapat bekerja dengan melihat masukan pada data ukur airspeed dan groundspeed. Data pengujian menunjukkan trend linear antara data ukur kecepatan dan kecepatan kendaraan dengan nilai 0.99. Kata kunci: Pesawat Model Fixed Wing, Turning Performance, Mission Planner

Fixed wing aircraft models which have been designed and manufactured is to retrieve data measurement for turning performance calculation. The parameters to calculate turning performace is consist of airspeed, turn radius, load factor, bank angle, and turn rate. Control and instrumentation system design is made so that aircraft models can carry out flight missions with flight mode loiter at one point. Aircraft models control systems are equipped by a flight controller in order to implement a semi autopilot system on the aircraft models. The instrumentation system consists of visual cockpit at the ground control station (Mission Planner), radio telemetry as a data link, and three sensors which are airspeed sensor, gyro sensor and GPS sensor so that the aircraft can fly missions. Simulink model is made to facilitate the calculation of load factor and bank angle. Data measurement for the turning performance calculation is using dummy data with a turn speed (V) of 12.14 m/s with a turn radius (R) of 72.79 m. The result of data processing obtained a turn rate (�‰) of 0.1668 rad/s, the load factor (n) of 1.021 and bank angle (�†) of 11.67 degree. Testing the system on land using a motor vehicle is performed to determine whether the system can work with reviewing the input of airspeed and groundspeed data measurement. Data test shows a linear trend between data measurement speed and vehicle speed with a value of 0.99. Keywords: Aircraft Models Fixed Wing, Turning Performance, Mission Planner

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