Great Planes Christen Eagle .46-.72 EP Aircraft FEATURES: Construction: Balsa and ply Wings: One-piece, with innovative interplane struts for simple and quick assembly and teardown INCLUDES: Great Planes Christen Eagle 46 ARF Biplane with Landing Gear, Wheels Wheel Pants, Pilot Bust, Spinner, Hardware and Instruction Manual REQUIRES: Radio: At least 4-channel Servos: 2-3 standard and 2-4 micro 6 (152mm) Dual Servo Extensions: One 12 (305mm) Servo Extensions