e/Portable Collision Avoidance System

Information
has gloss	eng: PCAS, which stands for Portable Collision Avoidance System, is an aircraft collision avoidance system similar in function to TCAS (Traffic Collision Avoidance System). TCAS is the industry standard for commercial collision avoidance systems but PCAS is gaining recognition as an effective means of collision avoidance for general aviation and is in use the world over by independent pilots in personally owned or rented light aircraft as well as by flight schools and flying clubs.
lexicalization	eng: Portable Collision Avoidance System
instance of	c/Aircraft collisions