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Meeting	ACGS Committee Meeting 120 - Tukwila, WA - November 2017
Agenda Location	5 SUBCOMMITTEE D – Dynamics, Computations and Analysis 5.4 HQ Design Criteria for UAS Carrier Approach
Title	HQ Design Criteria for UAS Carrier Approach
Presenter	Marge Draper-Donley
Affiliation	NAVAIR
Available Downloads*	presentation
	Downloads are available to members who are logged in and either Active* or attended this meeting.
Abstract	Existing flying qualities military specifications designed for manned aircraft are difficult to apply to unmanned vehicles (UAS). Streamlined acquisition requires re-examining existing requirements to determine applicability and utility for applications to UAS. This presentation presents results of a study which attempts to identify which requirements from the existing military specifications may be applicable to large unmanned vehicles for the carrier approach task, which may need modification to be useable and which are not considered useful or valid for the task and/or UAS’s. The premise was that in many cases, Level 2 or Level 3 flying qualities requirements might be acceptable to complete the approach and landing task, thus reducing cost and opening design space for tradeoffs. The study was conducted using a generic UAS simulation, varying one trait or characteristic of the design and running a Monte Carlo series of carrier approaches to determine if the variations have an impact on the success of the approach and landing task and what value of the studied characteristic would be recommended. Then successive simulation runs were attempted to determine the sensitivity of the initial results to environmental factors such as gusts, turbulence and single failures such as loss of a single control surface or severely reduced rate on a control surface. Results are presented with recommendations for which criteria are deemed important and at what levels and which may be safely reduced or ignored.