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Meeting	ACGS Committee Meeting 130 - Missoula, MT - March 2023
Agenda Location	5 SUBCOMMITTEE A – AERONAUTIC AND SURFACE VEHICLES 5.2 A Proposed Method of Compliance to Support Certification of Advanced Flight Controls in General Aviation and Hybrid Vehicles
Title	A Proposed Method of Compliance to Support Certification of Advanced Flight Controls in General Aviation and Hybrid Vehicles
Presenter	Marco Lotterio
Affiliation	Systems Technology, Inc.
Available Downloads*	presentation
	Downloads are available to members who are logged in and either Active* or attended this meeting.
Abstract	With the current development of Urban Air Mobility (UAM) and hybrid vehicles, fly-by-wire (FBW) flight controls are expected to be the standard for this new class of aircraft and, eventually, for an increasing number of aircraft certifiable under 14 CFR Part 23 regulations. The certification process must directly address the characteristics of FBW systems, and specifically their implementation in aircraft of new design and configuration. A method is proposed for certification of advanced flight controls in general aviation, urban air mobility, and hybrid vehicles. The central idea is that the FAA should monitor the development of aircraft being certified, to acquire knowledge, require minimum flying/handling qualities standards to progress, and provide guidance towards a successful certification, in a shorter time and at a lower cost than usual. Recommendations are provided on the intermediate requirements for the FAA to authorize the progress of vehicle development. This is expected to reduce the cost of the aircraft by identifying design deficiencies earlier in developmental phases. Means of compliance are proposed, which are connected to the steps of the presented sample aircraft development and testing, Flying Qualities Task Elements (FQTEs) and Handling Qualities Task Elements (HQTEs). HQTEs are applicable both in the flight clearance phase and in the in-flight evaluation of the vehicle handling qualities. While additional information, and potentially the evaluation of FQTEs and HQTEs by means of manned simulations and possibly in flight would be ideal, the proposed certification approach is a preliminary guide for the definition of a standardized certification process applicable to the new class of FBW UAMVs and hybrid vehicles.