title: Effects of aircraft altitude and speed on air-to-ground visual target acquisition.
mesh_terms: D000401:Aircraft; D000531:Altitude; D000704:Analysis of Variance; D005556:Form Perception; D006801:Humans; D008029:Lighting; D008297:Male; D008961:Models, Structural; D009038:Motion; D013647:Task Performance and Analysis; D014792:Visual Acuity