The ADC tester is used in 2nd line maintenance is to check the functionality of ADC. This unit is a rugged customized hardware based on full functionality test of ADC. The Air Data Computer (ADC) Tester is a fully automated GO/NOGO tester with full functional testing in 2nd line maintenance. This tester is to test ADC at unit level and identify faulty Shop Replaceable Unit (SRU). This tester is also used to carry out PI checks on ADC before clear them for installation on aircraft. ADC Interface board designed to test full functionality of ADC. The Air Data Computer (ADC) test equipment shall be used for testing ADC of Tejas Aircraft. ADC test equipment shall verify the functionality against specifications during second line maintenance and pre-installation on the aircraft.