Air China will use Rockwell Collins’ avionics on 25 Boeing 737NG and 24 Airbus A320/A321 aircraft, the companies said Wednesday. Financial terms were not disclosed. Rockwell Collins will provide its MultiScan Hazard Detection System, VHF-2100 data radio, ADF-900 Automatic Direction Finder, DME-900 Distance Measuring Equipment, HFS-900D High Frequency System, CPL-920D Coupling Unit and the VOR-900 VHF Omnidirectional Radio. Deliveries are scheduled to begin in the fall of 2007. Air China also selected the Rockwell Collins GLU-925 Multi-Mode Receiver, an integrated unit that provides the aircraft's primary position, velocity and time reference and enables precision landing capability.