Aviation Electrician's Mates (AE) maintain electrical and instrument systems, including power generation, conversion, and distribution systems; aircraft batteries; interior and exterior lighting; electrical control of aircraft systems, including hydraulic, landing gear, flight control, utility, and power plant engine, flight and non-instrument-type indicating and warning systems; automatic flight control and stabilization systems; aircraft compass systems; attitude reference systems; and inertial navigation systems.

Aviation Electronics Technicians (AT) troubleshoot and repair digital computers; fiber optics; infrared detection; radar systems; electricity generation systems; laser electronics; navigation systems; communications equipment; electrical power distribution; pressure indication systems; electric transformers and circuits, employing the latest test equipment and procedures. Knowledge and skills also include equipment operational checkout, corrosion control, scheduled maintenance, and component removal/repair/replacement.