ACS Aviation Regulations & Safety Procedures 4

Question 1

An aircraft's altimeter was found to be inaccurate during a transponder/altimeter inspection. Under 14 CFR 91.411, the aircraft may be flown in controlled airspace under IFR:

Accepted Answer

Not until the altimeter is repaired and the system retested and found within tolerances

Answer

14 CFR 91.411 prohibits flight in controlled airspace under IFR with an altimeter system that does not meet accuracy requirements; it must be repaired and retested.

Question 2

When must a mechanic make an entry in the aircraft maintenance records after completing an inspection?

Accepted Answer

Before the aircraft is returned to service

Answer

Per 14 CFR Part 43.9 and 43.11, maintenance record entries must be made before the aircraft is approved for return to service.

Question 3

A mechanic finds a component listed on the aircraft's Minimum Equipment List (MEL) to be inoperative. According to the MEL provisions, the mechanic should:

Accepted Answer

Placard the component inoperative and defer maintenance per the MEL conditions and limitations

Answer

The MEL allows certain inoperative equipment to be deferred; the mechanic must placard the item and comply with the MEL's applicable conditions and maintenance procedures.

Question 4

Under 14 CFR Part 43.3(g), what maintenance may the holder of a sport pilot certificate perform on a light sport aircraft they own?

Accepted Answer

Only preventive maintenance as defined in Part 43, Appendix A

Answer

Sport pilot certificate holders may perform only the preventive maintenance tasks specifically listed in Part 43, Appendix A on aircraft they own or operate.

Question 5

Which of the following is considered a 'major alteration' under 14 CFR Part 43, Appendix A?

Accepted Answer

Installing an STC-approved avionics unit that changes the aircraft's weight and balance significantly

Answer

A major alteration is one not listed in the aircraft's specifications that might appreciably affect structural strength, flight characteristics, or other airworthiness qualities.

(ACS) Airman Certification Standard Certified Mechanic Practice Test

(ACS) Airman Certification Standard Certified Mechanic Practice Test

ACS Aviation Regulations & Safety Procedures 4