ACS Aviation Regulations & Safety Procedures 2 — Questions and Answers
Question 1: Under 14 CFR Part 43, who is authorized to approve an aircraft for return to service after a major repair?
- Any certificated pilot with a private certificate
- A certificated mechanic holding an Airframe and Powerplant rating (Correct answer)
- Only the aircraft manufacturer's representative
- Any person holding a repairman certificate
Correct answer: A certificated mechanic holding an Airframe and Powerplant rating
14 CFR Part 43.7 specifies that a certificated mechanic holding the appropriate rating may approve an aircraft for return to service after a major repair.
Question 2: What is the minimum record retention period for maintenance records on life-limited parts under 14 CFR Part 91?
- One year from the date of maintenance
- Until the work is repeated or superseded
- The life of the part (Correct answer)
- Five years from the date of installation
Correct answer: The life of the part
Records for life-limited parts must be retained for the life of the part, as required by 14 CFR Part 91.417.
Question 3: A mechanic discovers a crack in a primary structural member during an annual inspection. What is the correct action?
- Document the crack and return the aircraft to service with a limitation
- Continue the inspection and defer repair until the next 100-hour inspection
- Ground the aircraft and notify the owner; the aircraft cannot be approved for return to service (Correct answer)
- Apply an approved repair and return to service without further documentation
Correct answer: Ground the aircraft and notify the owner; the aircraft cannot be approved for return to service
A crack in a primary structural member is an airworthiness defect requiring the aircraft to be grounded until properly repaired and re-inspected.
Question 4: According to 14 CFR Part 39, an Airworthiness Directive (AD) that requires compliance within a specific number of hours time-in-service must be complied with:
- At the next scheduled maintenance interval after the hours are accumulated
- Before exceeding the specified hours time-in-service (Correct answer)
- Within 30 days of the AD's effective date regardless of hours
- At the owner's discretion within one year of the effective date
Correct answer: Before exceeding the specified hours time-in-service
ADs with hour-based compliance requirements must be accomplished before the aircraft exceeds the specified time-in-service threshold.
Question 5: Which FAA publication defines the standards for mechanic certification and the scope of work a certificated mechanic may perform?
- 14 CFR Part 43
- 14 CFR Part 65 (Correct answer)
- 14 CFR Part 91
- Advisory Circular AC 43.13-1B
Correct answer: 14 CFR Part 65
14 CFR Part 65 establishes certification requirements and the privileges and limitations for certificated mechanics.
Question 6: When is a Form 337 (Major Repair and Alteration) required to be submitted to the FAA?
- For every scheduled maintenance inspection
- When performing any repair listed in AC 43.13
- Upon completion of a major repair or major alteration (Correct answer)
- Only when the repair involves powerplant components
Correct answer: Upon completion of a major repair or major alteration
FAA Form 337 must be completed and submitted to the FAA Flight Standards District Office within 48 hours after a major repair or major alteration is completed.
Question 7: Under 14 CFR Part 91.409, what is the maximum interval between required annual inspections for a standard category aircraft not operated for hire?
- Six calendar months
- Twelve calendar months (Correct answer)
- 100 hours time-in-service
- 200 hours time-in-service
Correct answer: Twelve calendar months
14 CFR 91.409 requires annual inspections to be performed within the preceding 12 calendar months for aircraft not operated for hire.
ACS Aviation Regulations & Safety Procedures 2
Under 14 CFR Part 43, who is authorized to approve an aircraft for return to service after a major repair?