FAR Part 43 Appendix A allows some pilots who do not hold a mechanic certificates (A&P) to perform specific preventive (not preventative) maintenance. Oil changes, greasing wheel bearings plus cleaning and gapping spark plugs make the list. Which action is not included in this preventive maintenance list?


Replacing prefabricated fuel lines


Replacing seatbelts


Replacing and servicing batteries


Replacing hydraulic hose connections

If you enjoyed taking this interactive quiz and would like to see more like it, go to the AVweb Brainteaser page. And if you thought it was unfair, confusing, or a waste of time, we'd like you to tell us that, too. And if you have an idea for a subject that you think would make a good future Brainteaser quiz, be sure to let us know.