CID A-A-59939B描述了航空燃料热氧化测试仪（JFTOT）的要求，该测试仪符合行业标准ASTM D3241“航空涡轮燃料热氧化稳定性的标准试验方法（JFTOT程序）”该装置必须符合下列显著特征的形式、适合性和功能。JFTOT用于测量燃气轮机燃料在与燃气轮机发动机燃料系统中发生的情况相关的条件下的高温稳定性。

CID A-A-59939B describes the requirements for a Jet Fuel Thermal Oxidation Tester (JFTOT) which adheres to the industry standard ASTM D3241 "Standard Test Method for Thermal Oxidation Stability of Aviation Turbine Fuels (JFTOT Procedure)." The unit must meet the form, fit, and function of the salient characteristics listed below. The JFTOT is used to measure the high temperature stability of gas turbine fuels to conditions that can be related to those occurring in gas turbine engine fuel systems.