Abstract: ACS(Aeronautical Charting System) plays an important role in AIS (Aeronautical Information Server). A new automatic technique named clone is put forward. With it, a CACS(Clone-based Aeronautical Charting System) is built. It solves inheritance problem thoroughly. A new chart is proposed, it can not only inherit the historical modification from father chart, but also keep the synchronization with NDB(Navigation Database). Using configuration tools and data driver, a custom chart can be cloned efficiently and accurately. It establishes strong foundation for ACS's automatization and extends application of ARINC 424 specification database.

Key words: computer cartography, aeronautical chart, clone, aeronautical information server(AIS), ARINC 424