Certified UAV Communications, Navigation, Control, Surveillance, and Combat ID Solutions

Drone GPS Receiver Receives FAA TSO

By Mike Ball / 19 Aug 2021

uAvionix TSO certified GPS receiver

uAvionix has confirmed that its truFYX GPS receiver for UAS (unmanned aerial systems) has received a Technical Standard Order (TSO) from the FAA. The SBAS/WAAS (Satellite-Based Augmentation System/Wide Area Augmentation System)-capable receiver is the first to specifically target UAS platform navigation and surveillance solutions.

As aviation bodies and regulators continue to increase their focus on certifiability of UAS for Beyond Visual Line of Sight (BVLOS) operations, truFYX provides a critical component to enable safe navigation and airspace integration.

The highly compact TSO-C145e Class Beta 1 GPS weighs in at only 20 grams, which includes the receiver, antenna, and DO-160G power supply, and interface protection circuits. A Class Beta 1 GPS enables the truFYX to be the primary position source for domestic en-route and terminal navigation, as well as the primary position source for ADS-B OUT solutions. The Source Integrity Level (SIL) 3, System Design Assurance (SDA) 2 system ensures reception and processing by Air Traffic Control (ATC) and Traffic Collision Avoidance System (TCAS) when used as a position source for ADS-B. For these reasons, the Airbus Zephyr program has signed up as a truFYX launch customer.

A certified position source for UAS navigation reduces position error by implementing a strict Receiver Autonomous Integrity Monitoring (RAIM) / Fault Detection and Exclusion (FDE) engine, and processing advanced SBAS messages designed to improve accuracy and integrity. These systems combine to detect unhealthy GPS satellite transmissions and remove them from the position calculation, providing critical differentiation from a typical commercial GPS receiver. Design Assurance Level (DAL) C software and hardware is achieved through the use of RTCA DO-178C and DO-254 engineering processes. As with all uAvionix TSO certified avionics, truFYX is manufactured in Montana under an FAA Manufacturing Inspection District Office (MIDO) approved quality control process and facility.

truFYX technology has been previously TSO-certified in several form factors, including the highly integrated and complex skyBeacon, tailBeacon, and tailBeaconX platforms.

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Posted by Mike Ball Mike Ball is our resident technical editor here at Unmanned Systems Technology. Combining his passion for teaching, advanced engineering and all things unmanned, Mike keeps a watchful eye over everything related to the unmanned technical sector. With over 10 years’ experience in the unmanned field and a degree in engineering, Mike’s been heading up our technical team here for the last 8 years. Connect & Contact
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