What is any electronic device providing point-to-point guidance information or position data to an aircraft in flight known as?

The term that describes any electronic device providing point-to-point guidance information or position data to an aircraft in flight is known as a NAVAID, which stands for Navigational Aid. NAVAIDs encompass a wide range of systems used to assist pilots in navigating and ensuring safe flight operations. This includes devices like VORs (VHF Omnidirectional Range), NDBs (Non-Directional Beacons), and GPS (Global Positioning System), which offer crucial information about an aircraft's position as well as guidance toward specific routes or waypoints.

While other options such as a transponder, radar, and airspeed indicator serve important functions in aviation, they do not fit the description provided. A transponder transmits identification and altitude information to air traffic control but does not provide navigational guidance. Radar is primarily a system used for detection and tracking, relaying positional information rather than direct guidance. An airspeed indicator indicates the speed of the aircraft but does not assist with navigation or positional data. Therefore, NAVAIDs represent the correct answer as they are specifically designed to provide the necessary guidance and positioning information during flight.