规定了与地面加压设备的软管装置或适配器连接的加压飞机上压力接头的基本尺寸和进出间隙要求。对于推荐的座舱容积，规定了三种尺寸的连接件:22,22 mm、46,04 mm和72,39 mm:不超过1O m^3、1O到45 m^3和45到170 m^3。

Specifies the basic dimensional and access clearance requirements for pressure connections on pressurized aircraft for coupling with the hose unit or adaptor of ground pressurizing equipment. Three sizes of connection are specified 22,22 mm, 46,04 mm and 72,39 mm for the recommended cabin volumes: not exceeding 1O m^3, 1O to 45 m^3 and 45 to 170 m^3.