This is the Great Planes 1/5 Scale Sport Pilot in Yellow.
Pilot bust with molded-in yellow shirt, aviator style sunglasses, harness buckles and headphones. Flat bottom base for easy installation with glue or screws. Fits nearly any 1/5 scale airplane cockpit.
Thickness at Base : 1.75 in.(38mm)
Width at Base : 4 in. (102mm)
Height : 3.3 in. (84mm)
Weight : 1.6oz (45g)