The TCAS Resolution Advisory and Uberlingen: The Night the Machine Was Right
The 2002 Überlingen collision killed 71 people when one crew followed ATC instead of their TCAS RA - a failure of training, not technology.
VectorACAS X
ACAS X - The Algorithm That's Going to Replace TCAS II and Why the Airspace Needs It Now
ACAS X replaces TCAS II's 1990s-era lookup table with a real-time dynamic programming algorithm designed for drones, eVTOLs, and modern mixed airspace.
Vector