gelled cell (batteries). A type of lead-acid battery cell that has a gelling agent added to the electrolyte to make it nonspillable. Gelled-cell batteries are used for portable operations.
genemotor (electrical machine). A type of electrical machine used to change low-voltage direct current from a storage battery into high-voltage DC for operating some types of communications equipment. A genemotor has two armatures on a single shaft. One armature and one set of field coils are for the DC motor. The other armature and set of field coils are for the high-voltage generator. Genemotors are also called dynamotors.
general aviation. A term used to describe the total field of aviation operation other than the military and the airlines. General aviation includes business flying (corporate, or executive), agricultural aviation, personal flying for sport or pleasure, flight schools, and flying clubs. The manufacturers of the aircraft and the maintenance facilities that service them are also a part of general aviation.
general aviation district office. See GADO.
General Aviation Airworthiness Alerts. Documents furnished by the FAA to technicians alerting them of problems that have been found in specific models of aircraft, and reported on Malfunction and Defect Reports. Airworthiness Alerts suggest corrective action, but compliance with the suggestion is not mandatory. Alerts include items that have been reported to be significant, but which have not been fully evaluated at the time the material went to press. See Malfunction and Defect Report.