Free practice test

Aircraft Mechanic Practice Test

Check what you know about the aircraft mechanic job with 15 free questions and instant explanations.

Updated By the Career Education Institute Curriculum Team
About this practice test

15 multiple-choice questions on aircraft mechanic knowledge, safety and vocabulary. Submit to see your score and explanations, or open any question’s answer as you go. Nothing is saved or shared.

Question 1 of 15What does A&P stand for?
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Answer: Airframe and Powerplant. The A&P certificate covers airframe and powerplant ratings.

Question 2 of 15An airworthiness directive is:
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Answer: A legally enforceable FAA rule. ADs are mandatory.

Question 3 of 15Safety wire should be installed so that pulling it:
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Answer: Tightens the fastener. Correct routing pulls in the tightening direction.

Question 4 of 15FOD stands for:
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Answer: Foreign Object Debris. FOD damages engines and aircraft.

Question 5 of 15Which FAA rule describes required content of maintenance records?
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Answer: 14 CFR 43.9. 14 CFR 43.9 covers maintenance record entries.

Question 6 of 15Which term matches this definition: “Approval, documented in records, that an aircraft is airworthy after maintenance.”
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Answer: Return to service. Return to service: Approval, documented in records, that an aircraft is airworthy after maintenance.

Question 7 of 15What does “Airworthiness directive (AD)” mean?
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Answer: A legally enforceable FAA rule requiring correction of an unsafe condition.. Airworthiness directive (AD): A legally enforceable FAA rule requiring correction of an unsafe condition.

Question 8 of 15Which term matches this definition: “Minimum equipment list: items that may be inoperative while still flying under conditions.”
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Answer: MEL. MEL: Minimum equipment list: items that may be inoperative while still flying under conditions.

Question 9 of 15What does “FOD” mean?
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Answer: Foreign object debris: loose items that can damage engines and aircraft.. FOD: Foreign object debris: loose items that can damage engines and aircraft.

Question 10 of 15Which term matches this definition: “A manufacturer’s recommendation for inspection or modification.”
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Answer: Service bulletin. Service bulletin: A manufacturer’s recommendation for inspection or modification.

Question 11 of 15What does “A&P” mean?
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Answer: Airframe and Powerplant: the FAA mechanic certificate ratings.. A&P: Airframe and Powerplant: the FAA mechanic certificate ratings.

Question 12 of 15Which term matches this definition: “An aircraft’s conformity to its approved design and condition for safe operation.”
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Answer: Airworthiness. Airworthiness: An aircraft’s conformity to its approved design and condition for safe operation.

Question 13 of 15What does “100-hour inspection” mean?
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Answer: An inspection required for certain aircraft used for hire.. 100-hour inspection: An inspection required for certain aircraft used for hire.

Question 14 of 15Which term matches this definition: “Non-destructive testing, such as eddy current or dye penetrant inspection.”
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Answer: NDT. NDT: Non-destructive testing, such as eddy current or dye penetrant inspection.

Question 15 of 15What does “Safety wire” mean?
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Answer: Wire used to prevent fasteners from loosening.. Safety wire: Wire used to prevent fasteners from loosening.

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