A Cessna. For those of you who are curious about the text and numbers on the side of the plane, TPT is short for The Powder Toy, while the 10 references the year that The Powder Toy was released (2010).
Are you sure that's the callsign? Looks more like a tail number to me. Callsign is when they call a specific model of plane something plane-unrelated, for example, "duck"