Small aircraft have an increased need for presentation of pilot information heads-out. Heads-out means that the information is projected and overlaid the outside world enabling the pilot to receive information and images from the avionics system at the same time as he can look out of the windows. Heads-out presentation is accomplished by an optical head-up or head-worn display device. Driving factors for heads-out presentation are improved landing credits to be able to land at the airport of destination also during adverse weather conditions, improved safety due to better situation awareness and operating cost savings. New technologies giving compact and more affordable head-up displays (HUD) are now availble and installation in small fixed wing aircraft (e.g. business jets) and helicopters is feasible.
Saab has developed a new head-up display named RIGS, which provides pilots with information linked to flight and navigation. RIGS gives all-weather capability with improved landing credits, ideal for flying and landing aircraft in challenging conditions by presenting instrument landing system information and images from Enhanced Vision Sensors. Today's EVS technology connected to RIGS enables pilots to see through darkness, smog and various levels of snow, rain and fog. The system will significantly improve safety during taxiing and landing through early detection of runway incursions and improved awareness of the terrain. Other information such as sighting symbology in military applications and Synthetic Vision Systems (SVS) images can be included and presented heads-out.
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