Abstract: Modular focal plane system was proposed under the airborne remote sensing instruments application background. The research and developement were finished that large array visible and near infrared focal plane system with 300 fps maximum frame rates. By the integrated design of mechanical and electronic and heat, and improving the FPA technology integration, signal avoid to be weakened and disturbed. The advanced high-speed fiber-optic transmission technology was taken into the aviation field of remote sensing, data rate of 1.6 Gbps or more, which ensuring the high data rate and reducing the complexity of the system interconnect, improving anti-disturbing capability of data transmission. Based on expounding the thought of system design and the structure of VNIR CCD detector, the key technologies among the system were analyzed such as mechanical and electronic and heat integrated design, high-speed data interface and high-speed serial photoelectric interface in detail. Finally the miniaturization, lightweight and modular are the features of developed large array airborne visible and near infrared focal plane system, its maximum data rate is up to 2.5 Gbps, SNR is up to 400 or more.