Head-up diplays (HUDs) are becoming more common in both automobiles and airplanes, helping to increase safety and reduce distractions for drivers and pilots. In aviation, HUDs have been used for decades in military planes, and are fairly commonplace in large commercial aircraft. But to ensure that HUDs are serving their purpose effectively, there are multiple considerations—design, form factor, symbology, display quality—that have to be carefully addressed.
