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SAE航空航天标准（AS）规定了要求将汽油作为发动机燃料专用的民用飞机机身加油口的最大允许自由开口尺寸，以及以涡轮燃料为主要燃料、以汽油为应急燃料运行的民用飞机机身加油口的最小自由开口尺寸。本SAE航空航天标准（AS）还定义了要求独家使用涡轮燃料作为发动机燃料的波特森民用飞机机身加油的特征和尺寸。此外，本文件规定了涡轮燃料地面服务设备的最小燃料喷嘴喷嘴尺寸和汽油地面服务设备的最大燃料喷嘴喷嘴直径。

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.This SAE Aerospace Standard (AS) defines the maximum allowable free opening dimensions for airframe fueling ports on civil aircraft that require the exclusive use of gasoline as an engine fuel, and the minimum free opening dimensions for airframe fueling ports on civil aircraft that operate with turbine fuels as the primary fuel type and with gasoline as the emergency fuel type. This SAE Aerospace Standards (AS) also defines the features and dimensions for airframe refueling portson civil aircraft that require the exclusive sue of turbine fuel as an engine fuel.In addition, this document defines the minimum fuel nozzle spout dimensions for turbine fuel ground service equipment and the maximum fuel nozzle spout diameter for gasoline ground service equipment.