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Meeting	ACGS Committee Meeting 96 - Hilton Head - October 2005
Agenda Location	4 GENERAL COMMITTEE TECHNICAL SESSION 4.2 Research Institutions, Industry and University Reports 4.2.2 Research Institutes and Companies 4.2.2.5 Hoh Aeronautics, Inc.
Title	Hoh Aeronautics, Inc.
Presenter	Dave Mitchell
Available Downloads*	presentation
	Downloads are available to members who are logged in and either Active* or attended this meeting.
Abstract	HAI is wrapping up work on an initial development program for the US Army. This program will result in an Aeronautical Design Standard for helicopter simulators. Very preliminary simulator evaluations, using a fixed-base facility, one pilot, one task, and simple helicopter dynamics, has demonstrated that it is possible to identify limits to pilot perception for errors in the math model. The big challenges are to find the best way to capture the effects of these errors and the best format for a specification. The limits to perceived added dynamics identified so far are quite far outside the familiar “Maximum Unnoticeable Added Dynamics,” or MUAD, envelopes developed in the 1980s. It is expected that the format of the newly defined “maximum error envelopes” will vary with simulator fidelity: a motion-based simulator with high visual fidelity will tolerate less math modeling error than a fixed-base part-task simulator with simple visuals. On a separate topic, HAI has recently begun work on a contract for the Federal Aviation Administration to develop a comprehensive test plan for assessing the usage of rudder pedals in the control of transport airplanes.