ATM Modernization, Embedded Avionics

Universal Avionics Offers Simplified ADS-B Out with New SBAS-FMS

By Juliet Van Wagenen | June 14, 2016
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Universal Avionics SBAS-FMS ADS-B Out fail message
Universal Avionics SBAS-FMS ADS-B Out fail message. Photo: Universal Avionics

[Avionics Today 06-14-2016] Universal Avionics has unveiled new software version for the Satellite-Based Augmentation System (SBAS)-Flight Management System (FMS) that provides messaging to alert crews of a failure of the Automatic Dependent Surveillance-Broadcast (ADS-B) Out system. The FAA has made it very clear that ADS–B Out failure annunciations in the flight deck are required for Part 23 and Part 25 aircraft, and this system eliminates the need for a separate transponder failure annunciator.

In addition, the system provides a growth path to Localizer Performance with Vertical Guidance (LPV), Required Navigation Performance (RNP) and with the UniLink UL-800/801 Communications Management Unit (CMU), Controller-Pilot Data Link Communications (CPDLC) and CPDLC Departure Clearance (DCL), Future Air Navigation System (FANS) and Link 2000+.

The new FMS SCN adds support for four new ARINC input busses and four new discrete inputs. The inputs are monitored for data indicating the state of ADS–B Out or transponder failure. This feature adds a monitor with messaging to alert the crew to a failure of the ADS–B Out system. The status labels from an Air Traffic Control (ATC)/Mode-S Transponder system are monitored by the FMS and used to detect a failure in the system.

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