Air Scent Dogs

The air scent dog works off lead, ranging back and forth in an area to pick up the human scent left by a subject. Ranging often takes the dog out of sight for several minutes at a time, so the handler must trust their dog and listen for an alert. Once the dog locates the subject's scent, they move into the source. The dog must then "alert" by returning to the handler and "indicating" them in some way that the handler is aware that human scent has been located. The dog then "refinds" the subject and leads the handler to the subject.