===Regulatory situation around the world=====See also==*Mid-air collision (MAC)*Gol Transportes Aéreos Flight 1907*1996 Charkhi Dadri mid-air collision—November 12, 1996*DHL Flight 611—July 1, 2002*Bitching Betty*Ground Proximity Warning System*Portable Collision Avoidance System==References====External links==*EUROCONTROL ACAS Website*TCAS II Version 7.1*Discussion of TCAS*AIS-P/TailLight alternative to TCAS and ADS-B without the problems of TCAS and ADS-B (Dead Link)*Critical discussion of TCAS using hypothetical abuse/exploit scenarios of TCAS usage*Introduction to TCAS II Version 7*Introduction to TCAS II Version 7.1*Decision criteria for regulatory measures on TCAS II version 7.1*TCAS User Interface Awareness video toolkit on Skybrary*Collision avoidance on the UKCS (TCAS II Trial) by Mark Prior (Bristow)
TCAS, akronim za Traffic Collision Avoidance System je naprava na letalu, ki je namenjena preprečevanju trkov med letali v zraku.