The success of civil aircraft program is mainly determined by the supplier selection and overseeing in the 'airframer-supplier' development mode. The Airborne Software Development Capability (ASDC) model for supplier is established from airborne software development qualification, experiences, procedures and resource. Based on the process, the supplier evaluation and overseeing criteria is proposed. The supplier selection and overseeing criteria mechanism will be established based on the extending form the ASDC model to system /technology/price/quality.