Study of engine electrical systems and instruments used on turbine powered and reciprocating engine powered aircraft. Emphasis on mechanical power generating and engine starting systems, including hands-on experience with removal, installation, disassembly, troubleshooting, and adjustment of generating, starting, regulating, and monitoring devices. 4 Credits (2 Lecture - 6 Lab) Prerequisite(s): AVI105 and AVI115 and AVI120 and AVI135. Corequisite(s): AVI170. Fall Only.