HEBUST forestry unmanned aerial vehicle
The HEBUST forestry unmanned aerial vehicle ( UAV ) is a Chinese micro air vehicle ( MAV ) developed by Hebei University of Science and Technology ( HEBUST , 河北科技大学 ) to perform surveilliance and fire detection missions over the forest where access by foot or ground vehicle is difficult or impossible . 
<triplet> micro air vehicle <subj> unmanned aerial vehicle <obj> subclass of