Analysis of Landslide Mapping With Multicopter in Somangari, Kaligesing, Purworejo, Central of Java

Drones are unmanned aircraft, drone function mapping one of them trough landslide. This research was conducted by direct observation in the field, namely Somangari Village, Kaligesing, Purworejo. This area is famous for landslide drone areas and is a concern of Central Java Province. This research uses a multicopter with four propellers. The method used in this study prepare for making a drone, survey area to flood and landslide in Somangari; planning test altitude in the air; calibration drone; taking an aerial photograph in area landslides and then analysis of data then mapping the area in Somangari. This drone can fly with a hight of up to 100 meters and can map an area of 1.5 km. This research with hot weather conditions and wind speeds of around 20 km/hour. Multicopter has the advantage of being stable against wind speed. Drone battery can be used for 20 minutes. Battery capacity is 5000 mAH with camera DJI Phantom. The advantages in this research are that the drone used DJI Phantom has a good camera, the drone is stable so that it can produce good aerial photographs. In Somangari Village, which is famous for areas prone to landslides and floods, has greatly helped the Purworejo Regional Disaster Management Agency and Purworejo Regional Government, Central Java. With the mapping of flood and landslide areas with a multicopter to help the Somangari village government to always be prepared to the rainy season.