本文件已被宣布为“稳定”，不再接受货币定期审查。用户负责验证参考资料和持续适用性或技术要求。新技术可能存在。本试验的主要目的是确定缓冲牵引钩与重型飞机牵引拖拉机上常用的刚性牵引钩相比的应用优势。自从这种新型牵引挂接装置引入市场以来，人们对其适用性产生了各种各样的意见，因此，在实际应用中，人们打算对这种缓冲牵引连杆的阻尼能力进行物理测量和评估。

This document has been declared "Stabilized" and will no longer be subjected to periodic reviews for currency. Users are responsible for verifying references and continued suitability or technical requirements. New technology may exist.The main purpose of this test was to determine the application advantages of cushion tow hitches in comparison to the commonly used rigid tow hitch type fitted on heavy aircraft towing tractors.As diverse opinions emerged about its suitability since the introduction on the market of this new tow hitch type, it was intended to physically measure and evaluate the damping capability of this cushioned tow link when applied in practice.