Purpose of this Document

This document describes a Traffic Computer with Traffic Alert and Collision Avoidance System (TCAS) functionality that provides the necessary interface definitions and protocols to accommodate the requirements of RTCA DO-185B: Minimum Operational Performance Standards for TCAS (latest version applies).

Additionally, this document describes interfaces and protocols necessary to accommodate Cockpit Display of Traffic Information (CDTI) based on reception of Automatic Dependent Surveillance – Broadcast (ADS-B) data and Traffic Information Services – Broadcast (TIS-B) data. The equipment becomes TCAS with ADS-B and TIS-B functions added, as defined by RTCA DO-260B: Minimum Operational Performance Standards for 1090 MHz Extended Squitter, Automatic Dependent Surveillance – Broadcast (ADS-B) and Traffic Information Services – Broadcast (TIS-B) (latest version applies).