Risk analysis of small unmanned aircraft in uncertainty presence
DOI:
https://doi.org/10.22480/revunifa.2014.27.565Keywords:
Unmanned Aerial Vehicle (UAV), Remotely Piloted Aircraft (RPA), Fault Tree Analysis, Risk AnalysisAbstract
The final integration of the Remotely Piloted Aircraft (RPA) or Unmanned Aerial Vehicle (UAV) into controlled
airspace depends on the evidence of risk related to its operation be equal or less than the accepted value for
aircraft with pilots on board. The military and civilian market has broad applications for RPA, but the difficulty
of accreditation hinder its dissemination in operations, primarily for small aircraft (less than 25 kg) due to the
use of devices and COTS (Commercial Off-The Shelf ) without value or exact set of reliability, often originating
from recreational flying models. This paper presents a review of the publications made on key issues that
are necessary for the risk assessment of a system and innovates with the application of uncertainties usage
deriving from the fault tree analysis at the risk assessment. The article also demonstrates the need for increased
situational awareness in flight by means of efficient data link. Two remotely piloted aircraft, developed by the
research group of INCT-SEC, are used as examples of concepts application.
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Copyright (c) 2014 Andr´é Luiz Pierre Mattei, Elói Fonseca, Nina Machado Figueira, Onofre Trindade Júnior, Felipe Figueira Vaz
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