Operation Last-Mile: Critical Drone Delivery Testing Report

● The number of successful deliveries ​ . A successful delivery was defined as a package that came to rest within a 10-foot diameter around an 18-inch cross marking the exact center of the delivery location. ● Time to complete each delivery. ​ Time recording started when the package was loaded and stopped when the aircraft landed after returning. ● Time to complete all deliveries. ​ Time recording started as the preflight inspection was performed, and ended after the final landing. ● Fuel consumption. Each delivery ​ battery level was recorded at each takeoff, each delivery, and each landing. Demerit Points: ​ Demerit points were recorded for incidents that would gravely impact safety or operational efficiency in live operations performed outside of the testing environment. The occurrence of a single demerit point indicates an expected real-world emergency or catastrophic failure. Any of the following conditions would be recorded for each test as demerits: ● Controlled Flight Into Terrain (CFIT) - ​ Any portion of the aircraft contacts terrain in controlled flight, other than landing ● Takeoff or Landing Damage to Airframe - ​ Any damage to the aircraft occurs during takeoff or landing ● Inadvertent Activation of Emergency Procedures ​ Emergency procedures are activated by another mechanism than the RPIC, such as a C2 link failure ● Failure of Flight Critical Avionics - ​ An avionics component critical to flight safety fails (IMU) ● Failure of Powertrain - ​ A powertrain unit fails ● Near-Miss - ​ A “Near Miss” is defined as 2 aircraft in en route passing within 25’ horizontally or 10’ vertically of one another. Additionally, a “near miss” is any situation where an sUAS pilot must take evasive action to prevent midair collision with another sUAS. ● Viral Contamination - ​ Drone Descends below 8’ AGL. The CDC had provided guidance that if an object remained 10 feet above the ground, the chance of COVID-19 aerosol particles infecting the object was very low. We determined that a drone with an 8-foot tether dropping the payload 2-3 feet above the ground would avoid contamination in a simulated quarantine environment. Our targets were unpopulated at the drop times so the risk of infection at any height was near zero. But we wanted to demonstrate that the drone drop height could be successfully controlled using VO’s. ● Drop Mechanism Failure - ​ The drop mechanism fails ● Payload Entanglement - ​ The payload becomes entangled ● Loss of Communications between RPIC and VO

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