Manufacturer: Bendix King
Model Number: KA 90
The KA 90 radio magnetic indicator (RMI)/slewed course horizontal situation indicator (HSI) adapter allows Bendix/King GPS units to exchange data with other avionics. It does both digital to analog conversion, and analog to digital conversion. The KA 90 can drive primary navigational indicator displays, which automates and simplifies your GPS installation.
The slewed course function lets the KA 90 can automatically drive the course pointer on your HSI for you, decreasing pilot workload.