The metal patch was first discovered in 1991 on the atoll, according to TIGHAR, and was placed on Earhart's plane during a stop in Miami in 1937. The Miami Patch was an expedient field repair, Ric Gillespie, executive director of TIGHAR, told Discovery News.
Synthetic vision system. A modern synthetic vision system produced by Honeywell. A synthetic vision system (SVS) is a computer-mediated reality system for aerial vehicles, that uses 3D to provide pilots with clear and intuitive means of understanding their flying environment.
Synthetic Impulse. The SIA-7 is capable of operating as three different types of ultrasonics systems. In effect, the SIA-7 is three boxes in one. The SIA-7 switches between modes at the click of a mouse. Ultrasonics systems employ methods including pulser receivers, continuous tone, tone burst systems and now Synthetic Impulse.