Indonesian government needs a well-built, easy to operate unmanned aircraft systems (UAS) to perform various civilian missions as UAS are a well-known platform for dirty, dull, and dangerous missions. Hence, the Indonesian government has an organization that performs research and development of UAS, named as Aeronautic Technology Center. This organization is placed underneath Indonesian National Institute of Aeronautics and Space. The UAS developments in this institute are primarily driven by civilian uses; therefore, the UAS size, sensor types, and mission payload are optimized for civilian missions. In order to produce the decent to the best quality of the aerial image, which is the essential product for various civilian missions, the UAS regularly flies under the cloud.For this reason, the Aeronautic Technology Center is only developing the LASE (low altitude, short-endurance) and the LALE (low altitude, long endurance) UAS type as of now. The UAS development was begun with LSU-01, followed by LSU-02, LSU-03, and LSU-05. The LSU-01, LSU-02, and LSU-03 are in the operational phase, while the LSU-05 is in the experimental Phase. In this chapter, the specification of the platforms and the sensor capabilities that are relevant with the demands of users in the civilian sector are described.

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Model mekanika terbang pesawat udara memiliki peran penting untuk melakukan analisis gerak dan sikap pesawat udara terhadap input yang diberikan. Pengembangan model mekanika terbang pesawat biasanya dilakukan dengan menggunakan perangkat lunak yang umum digunakan, yaitu MATLAB Simulink. Namun, perangkat lunak ini bersifat komersial dengan harga tinggi. Pada penelitian ini model mekanika terbang pesawat udara Cessna 182 dikembangkan dengan perangkat lunak open-source, yaitu Scilab Xcos. Model dikembangkan berdasarkan persamaan gerak pesawat udara 6 derajat kebebasan yang didukung oleh 3 sub-sistem, yaitu gaya dan momen, lingkungan, dan input (bidang kendali dan throttle). Masing-masing komponen model diverifikasi dengan melakukan perbandingan dengan model referensi. Hasil penelitian menunjukkan bahwa Scilab Xcos mampu digunakan untuk melakukan pemodelan mekanika terbang pesawat dan melakukan simulasi terbang pesawat dengan input yang diberikan.