Name the constituent radiation of electromagnetic spectrum which is used for Aircraft navigation Studying crystal structure Share with your friends Share 9 Ankur answered this 1. Microwaves are used in Radar systems for air craft navigation. 2. X rays. 13 View Full Answer Parag Pv answered this Aircrafts make use of radio waves for communication. I am not sure about the crystal though. I guess it is X-rays. -4