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Meeting	ACGS Committee Meeting 120 - Tukwila, WA - November 2017
Agenda Location	5 SUBCOMMITTEE D – Dynamics, Computations and Analysis 5.2 Manned Simulation Fidelity and its Role in Engineering
Title	Manned Simulation Fidelity and its Role in Engineering
Presenter	Jerry Lockenour
Affiliation	Retired
Available Downloads*	presentation
	Downloads are available to members who are logged in and either Active* or attended this meeting.
Abstract	This presentation captures some of the ACGSC relevant highlights of my 48 year career in the aerospace industry....including North American Aviation, AFFDL, NASA Dryden (Armstrong) and Northrop Grumman Aerospace Systems. In the early part of that career I was deeply involved in flying qualities/handling qualities criteria development and the use of ground based and in-flight simulation for both criteria development and new aircraft development. In our current aerospace systems the human operator is increasingly used as an overseer of automation rather than a full time in-the-loop operator of the systems. But very importantly he/she must be able to step in and take control in failure and emergency situations. So simulators still play an important role in both general proficiency and training for emergencies. And of course simulators still play a role in the development of new systems and in the preparation of test pilots for their first flight in those new aircraft. Although much work has been done to understand the role of motion and visual fidelity in obtaining a proper simulation, there is no comprehensive guidebook (like MIL-STD-1797B for piloted aircraft HQ) to give the practicing engineer guidance for the proper simulator. Such guidance is needed and recommended by this presentation. In addition there is a less well studied and less well understood dimension of simulation fidelity....that I call the "Risk Factor". This Risk Factor apparently results in a difference in how the pilot thinks and behaves between simulation and day-of-flight. Some organizations have learned to operate their simulators faster than real time to compensate for this Risk Factor. It is recommended that this phenomenon be further studied to understand what triggers this behavior and how it manifests itself in the human operator. And then determine how to best compensate for this in the use of flight simulation.