OMP Hobby 59" Challenger Balsa Airplane Receiver ReadyOMP Hobby Challenger 59 inch Receiver Ready OMP Hobby 59 Challenger is a sport RC model airplane built in the traditional way: balsa and film cover. The airplane features light yet strong structure, low wing load, and abundant power, making the airplane easy to fly and capable of a lot of advanced aerobatics, such as all P3A and a few 3D maneuvers. This airplane performs very well in either low or high speed, with great authenticity and precision in