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Vigilant Aerospace’s FlightHorizonX product was successfully used by NASA to complete its Quiet Supersonic Flight campaign (QSF18) near Galveston, Texas this week. The flights are a part of NASA’s Commercial Supersonic Technology program. FlightHorizonX was used to monitor supersonic flights taking place offshore by a NASA F-18 aircraft. The QSF18 flights were conducted to test new supersonic boom mitigation techniques to help re-introduce supersonic transportation aircraft into the US national airspace and secondarily to test a new supersonic aircraft transponder. The NASA QSF18 flights included up to eight flights per day with the flight operations occurring over a two week period which began November 5 and concluded last week. More info about the QSF18 program. The Vigilant Aerospace FlightHorizonX software provided the NASA flight team and researchers with real-time situational awareness of their aircraft and other aircraft in the region, display of the geofenced flight area, warnings about other aircraft entering the flight area and airspace logging for later analysis. FlightHorizonX is a special, supersonic version of FlightHorizon which has been modified to receive and display data from a new supersonic transponder prototype being tested on both supersonic aircraft and spacecraft in the US. The software was active on a small computer connected to a large display for monitoring by the flight team in a hanger building at Ellington Field. The software was also installed and running on a tablet computer on a knee-board attached to the pilot of the aircraft. The NASA Commercial Supersonic Technology program is the premier supersonic research program in the US. Vigilant Aerospace was selected to provide FlightHorizon GCS to the program for 2018-2019 test flights. Read more here.  

Pictured: NASA QSF18 team members monitoring flights with FlightHorizon showing the designated operating area for the flights with an  orange “geofence” in FlightHorizonX on the large display.

Media Coverage:

Related Vigilant Aerospace Posts: Related Articles from NASA: QSF18 in the News:


NASA creating ‘quiet’ sonic booms over Galveston

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About Vigilant Aerospace Systems

Vigilant Aerospace is the leading developer of detect-and-avoid and airspace management software for uncrewed aircraft systems (UAS or drones). The company’s product, FlightHorizon, is based on two NASA patents and uses data from multiple sources to display a real-time picture of the air traffic around a UAS and to provide automatic avoidance maneuvers to prevent collisions. The software is designed to meet industry technical standards, to provide automatic safety and to allow UAS to safely fly beyond the sight of the pilot. The software has won multiple industry awards and the company has had contracts and users at NASA, the FAA, the U.S. Department of Defense and with a variety of drone development programs. Visit our website at

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