An aircraft mechanic helper works in an airport terminal or hangar, where they assist with maintenance and on-site repairs. As an aircraft mechanic helper, you support the regular maintenance crew as they replace parts and repair an aircraft. Your responsibilities include ensuring the correct tools and parts are available for mechanics during repairs. Your other duties involve cleaning up before and after each repair. You must have strong communication skills, as you work with mechanics, airport workers, and other airplane personnel to keep an airplane operating safely. You must obtain the appropriate security clearances and background checks.