Validation of UAS Contingency En Route HITL Simulation

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Document Number:
DOT/FAA/TC-19/25
Publication Date:
12-2020
Authors: Amy Alexander, PhD.
John Bradley
Eamon Caddigan, PhD.
Steve Cullen
Alex Konkel, PhD.
Randy Sollenberger, PhD.
Lacey Thompson

Thompson, L., Sollenberger, R., Alexander, A., Konkel, A., Caddigan, E., Bradley, J., & Cullen, S. (2020). TValidation of Unmanned Aircraft Systems Contingency Procedures and Requirements En Route Human-in-the-Loop Simulation Technical Report. DOT/FAA/TC-19/25. Atlantic City International Airport, NJ: Federal Aviation Administration William J. Hughes Technical Center.

Abstract

Objective:

We investigated the time needed for air traffic control specialists (ATCS) to respond to Unmanned Aircraft System (UAS) lost link events in the en route environment.

Background:

When a UAS loses link, ATCS must react to an uncontrolled aircraft in the airspace. The time needed to do so has not been studied.

Method:

We conducted a human-in-the-loop (HITL) simulation to examine the human factors impact of lost link timing as well as related information delivery methods.

Results:

Participants preferred to receive information quickly via automation and to have more coordination time.

Conclusion:

We suggest that lost link information be given to ATCS within 2 minutes and lost link routes not involve a turn for at least 4 minutes after route delivery, particularly if automation is not assisting them.