The Rockwell Collins TCAS-94 Traffic Alert and Collision Avoidance System (TCAS) II consists of a TTR-921 (Change 7.0) TCAS Transmitter-Receiver, replacement of the existing TDR-94 Mode S Non-Diversity Transponder with a TDR-94D Mode S Transponder, installation of an upper TRE-920 TCAS Directional Antenna and reuse of an existing lower TCAS Omni...

Collins Aerospace’s TDR-94D Transponder is an all solid-state, crystal-controlled receiver/transmitter specifically designed for TCAS-II-equipped business aircraft and regional airliners with 28 V DC electrical systems and limited space.

– TCAS II has been mandatory in US airspace since 1994, for all civilian turbine -engined aircraft carrying more than 30 passengers

2025年2月17日 · BLW pushbutton: Toggles the TCAS BELOW display mode where traffic between -9900ft and +2700ft relative to the aircraft are shown. It is lit green when active. TA ONLY pushbutton: Toggles the Traffic Advisory Only (TA ONLY) display mode where all Resolution Advisories (RA) are inhibited.

TCAS II or TCAS 94 systems. The crew members of the involved aircraft report that targets suddenly appear or are moving at a very high rate of speed toward their

At Collins Aerospace, we give mission flight crews precision situational awareness through a wide range of trusted traffic collision avoidance systems (TCAS), including our advanced TCAS II system based on technology we developed for the 787 ISS-2100 Integrated Surveillance System to address the emerging requirements of the NextGen® airspace.

TCAS II and Change 7.1 Ref. No.: BRS- 110082.14M Pub Date: 01/2017 Providing total situational awareness of impending traffic conflicts. TCAS change 7.1 includes safety enhancements that reduce traffic conflicts and modify avoidance maneuvers. Rockwell Collins has perfect solutions to assist customers with increased traffic awareness.

空中警告和防撞系统（Traffic alert and CollisionAvoidance System，TCAS）简称为避撞系统或防撞系统，TCAS 是不依赖地面设备工作的机载设备，通过向同一空域内飞行的、且装有 ATC 应答机的飞机发射询问信号并接…

TCAS is an on-board radar surveillance system that provides separation assurance throughout a predefined column of airspace. The TCAS II systems work by interrogating the ATC transponders of other nearby aircraft to determine and display their altitudes, ranges and relative positions.

Detailed avionics part information page for Collins Aerospace TTR-920 TCAS Processor with price, availability, stock, inventory, features, specifications, and description.