What to know about planes’s avoidance systems
Years ago, Cox said, he was going down in a Boeing 737 on Orlando international airport when the system warned him and his co -fingering for nearby traffic. The pilots looked around for another plane, but they saw nothing. So, Tcas provided urgent education: "climbing". Mr. Cox said they did it and later saw a smaller plane below them. A collision would have been catastrophic, he said.After a series of collisions, culminating in the 1986 collapse of a smaller passenger jet and aircraft near Cerritos, California, who killed 82 people, Congress commissioned the Federal Aviation Administration to request TCA on all large commercial planes. It is optional for military planes, however, and it is not clear whether the army helicopter involved in Wednesday's accident was equipped with it.That acc...