Ответ:Air Trac: The Air TracÃÂ® is an excellent choice for single engine, piston aircraft. It is ideal for aircraft operated on grass strips while being perfectly usable on hard surfaces. They are unique, narrow-ribbed, oval shaped tires designed for soft field applications. Air Hawk: The Air HawkÃÂ® is an excellent choice if you are looking for an increased level of performance and security at a price that will not break your budget. Improved tread compounds and high-strength casings offer added wear resistance and an extra measure of security. FAA approved and used by thousands of pilots, the Air HawkÃÂ® delivers reliable, cost-effective performance under a wide variety of takeoff and landing conditions.