What is the difference between the Ryan 9900B and 9900BX TCAD?
The Ryan 9900B TCAD system is a passive traffic system that only uses transponder replies from other aircraft. (note: only possiblein ATC SSR environments – see other FAQ relating to this). The 9900BX is an active traffic system that actually interrogates other aircraft transponders to process and produce its traffic detection and alerts.
The Ryan 9900B TCAD system is a passive traffic system that only uses transponder replies from other aircraft. (note: only possiblein ATC SSR environments – see other FAAQ relating to this). The 9900BX is an active traffic system that actually interrogates other aircraft transponders to process and produce its traffic detection and alerts.