AD/RAD/91 Amdt 1 - Rockwell Collins TDR-94/94D Transponder - Air/Ground Discrete Inputs Zoe has a public metadata record for this legal instrument, but accepted source text is not available in the agent mirror yet. Canonical page: https://zoelaw.ai/legislation/ad-rad-91-amdt-1-rockwell-collins-tdr-94-94d-transponder-air-ground-discrete-inputs