Operation Last-Mile: Critical Drone Delivery Testing Report

Test 3A Results

Test 3A introduced pre-programmed flights to and from the target and remained BVLOS. This was the first test where all 3 crews flew at the same time. Deconfliction was accomplished in the pre-programmed flights by having each team fly at pre-set altitudes 25 feet vertically apart (175, 200, and 225). The distance for the 15 flights was increased on average by 54% over Test 1. All drops were within the 10-foot target circle. No demerits were scored. Here are the Test 3A (Pre-programmed) results compared to the baseline of Test 1.

(All times in minutes)

Test 3A

Test 1

Pre-Programmed

Results

Control

Difference

Number of Flights

15

15

0

Distance (total feet)

893.2

580.6

312.6

Time Ascending (Takeoff)

0.43

0.25

0.18

Time to Target

0.88

0.79

0.09

Time on Target

2.58

0.68

1.9

Time Returning

0.42

0.25

0.17

Time Descending (Landing)

0.79

0.31

0.48

Total Elapsed Time

5.10

2.28

2.82

Speed to Target (mph)

5.8

4.8

1

Speed Returning

12.8

15.2

-2.4

Battery Consumption

24.2%

10.7%

13.5%

Test 3A, on average, took over twice as long to complete than Test 1. The battery consumption increased as the speeds that were programmed to be conservative were slower than what the pilots flew manually. The elapsed time per flight went up 28% compared to test 2 even though the distance was shorter. Under these conditions, a crew could potentially deliver 3 packages on a set of batteries and an estimated 10 to 11 deliveries per hour.

Test 3B Results

Test 3B eliminated pre-programmed flights and remained BVLOS. The targets were the same as in Test 3A. This test used DroneSense software, which identified, and marked, the target on the flight controller map with a pin, which helped the pilots find it faster than a pure manual flight. DroneSense also provided the Airboss with a dashboard to view the location of each drone on a map and the video feed from each drone. This was the second test where all 3 crews flew at the same time. Deconfliction was accomplished by the Airboss setting flight

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