L-3 Communications said ACSS, an L-3 and Thales company, signed an agreement with Airbus to study the certification of its integrated traffic alert and collision avoidance system (TCAS), terrain awareness warning system (TAWS) and Mode S Transponder product – T3CAS – on the A320 and on the A330/A340 aircraft families. The new platform is expected to be certified by the end of 2009. The T3CAS features a TCAS, Class A TAWS and Mode S Transponder in a single line-replaceable unit (LRU) with a 6- MCU form factor. The integrated platform will form the baseline for Airbus to host future ADS-B-In (automatic dependent surveillance-broadcast) functionality on their aircraft, such as In-Trail Procedures (ITP) and Air Traffic Situational Awareness.