The Rockwell Collins TCAS-4000 (TCAS II) improves safety with total situational awareness of impending traffic conflicts, including the display of resolutionary information for immediate threats. The system tracks all Mode C and Mode S transponders and provides range, relative bearing and altitude information for the up to 30 aircraft that pose the greatest threat of collision. It incorporates Change 7 logic as standard and is software upgradeable to Change 7.1.

TCAS-4000 consists of a TTR-4000 TCAS transmitter/receiver, one or two TRE-920 TCAS directional antennas, two TDR-94 MODE S transponders, a variety of control panels and a wide variety of traffic display options. Resolution Advisory commands appear on the two vertical speed indicators or the vertical speed display fields of integrated electronic flight display systems.

Features & Benefits

• Enhances crew situational awareness: Real-time visual display of surrounding traffic situation and potential collision threats provides flight crew with improved safety.
• TCAS II features: Change 7 incorporated as standard and Change 7.1 is field loadable; ACAS II compliant.
• Transponder features: TCAS II compliant; data link capable for TCAS II crosslink and ATC data communications; ICAO Level 2A capable.
• Growth capable: An efficient receiver architecture allows for growth for future applications.
• Innovative architecture: Provides increased efficiency to avoid transponder overload.
• Extensive IO capability: Contains both analog and digital system interfaces for universal application and fleet commonality.
• Flexible interface options: Provides a wide variety of display and control options and interfaces with single or dual Mode S transponders (including the Rockwell Collins TDR-94).
• Maintainability features: Data load for shop or on-aircraft software revisions; diagnostics for easy fault isolation and shop maintenance; plus extensive internal diagnostics.