Helmet Mounted Display (HMD) systems have become vital to providing piloting and weapons system information to operators for effective and safe operation in high workload environments. From earlier monocular systems of the AH-64 to the highly integrated HMD of the Joint Strike Fighter, technology has evolved significantly and continues to evolve. The development of these systems has identified generic areas of test & evaluation applicable to all HMD systems.
The need for an AGARDOGRAPH was verified by the Exploratory Team (ET) (SCI-ET-029). The ET into Helmet Mounted Display (HMD) testing was held during the Flight Test Technical Team Fall 2016 meeting in London at the Boeing UK offices on 13 October 2016. Thirty one attendees participated in the ET from 9 nations. The ET agreed that an AGARDOGRAPH on HMD testing was feasible and there was a clear need to help the community in guiding HMD testing. A potential structure and potential contributory nations were discussed and included in the meeting minutes. It was felt that authors could produce guidance material that could be used by future test teams to support their planning and test conduct. Standardizing terminology, ratings scales and suggesting possible tasks or how to design tasks for testing are likely areas of benefit. Also an awareness of the initial qualification activities needed to get to flight test would assist test teams. This TAP is one of the outputs from SCI-ET-029 and was agreed at the Spring 2018 FT3 meeting (SCI-305).
Helmet fit and comfort, display types (reticules/visor projection), hyperstereopsis, disorientation, depth perception, head tracker systems (optical / electromagnetic, head box, symbology/clutter, cockpit integration, terrain overlays, real world overlay, navigation, low visibility landings, egress/ejection, crew resource management, pilot system control, relationship to flight control types, safety case/system integrity.