This SAE Aerospace Information Report (AIR) provides information about impulse loads that occur during normal aircraft towing operations. An instrumented tow bar was used to characterize towing loads. Suggestions to minimize impulse loads by reducing the tow bar to tow vehicle gap are described. Purpose The purpose of this document is to provide information concerning the impulse loads that occur during aircraft towing when a large gap exists between the tow bar and the tow vehicle.