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Helmet mounted displays have not been supported with adequate methods and materials to validate and verify the performance of the underlying tracking systems when tested in a simulated or operational environment. Like most electronic systems on aircraft, HMDs evolve over the lifecycle of the system due to requirements changes or diminishing manufacturing sources. Hardware and software bugs are often introduced as the design evolves and it is necessary to revalidate a systems performance attributes over the course of these design changes. An on-aircraft test has been developed and refined to address this testing gap for the Joint Helmet Mounted Cueing System (JHMCS) on F-16 aircraft. This test can be readily ported to other aircraft systems which employ the JHMCS, and has already been ported to the F-18. Additionally, this test method could provide an added value in the testing of any HMD that requires accurate cueing, whether used on fixed or rotary wing aircraft.

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