What is cost effectiveness? How will it affect the airlines and industry? On an overall basis, it will mean nothing more than good economic common sense; cost effectiveness will be synonomous with success. There are three specific categories to explore with regard to cost effectiveness; namely, technology, systems engineering, and specifications. Cost effectiveness to the airlines can be interpreted as absolute minimal downtime, whereas, its effectiveness as applied to avionics manufacturers will mean cost reduction while maintaining a high degree of accuracy and reliability.This system will be advantageous to those producers who learn the lessons of cost effectiveness as they will multiply and prosper.