p8、p9：时隔60年的两张照片。60年，足够一棵幼苗长成苍松，足够一条天路写下传奇。从伊尔18到空客a319，从目视飞行到rnp(ar)技术，这条航线，让 ...

The RNP-AR system allows sufficiently equipped aircraft with adequately trained pilots to land at an airport in low visibility conditions. However, approval must be obtained from CAAN.

Aviation regulator DGCA validated the IndiGo flight operated with A320 plane that utilised the Required Navigation Performance with Authorisation Required (RNP AR) approach. "RNP AR technology is ...