iagram 1159-14010-'151 "Radar (TWR-850)" reflects the aircraft wiring and D.E.R. approved structural. drawing shows the installation of the antenna RT Unit, 0000088 "RTA-858 Antenna Ihitailation". 7.). Installed a Collins Air Data Computer ADC-80H‘DaDc, ADA-85 ADC adapter and TAI-80A TAS/TEMP indicator