aXb) 25.1585 (a) Amd7125-108) *m0125409) Arndt 1254 131 Amdt.125.1221 Amdi(25.1231 25.1325 (d) 25.1323 (exAS) 25.869 (aX1): 25.1431 25.1317 laX0Xe) 25.1353 (aXe) Based on 14 CFR §§ 21 115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for