Airworthiness Requirements 1
PA.I.B.K1 General airworthiness requirements and compliance for airplanes, including:
PA.I.B.K1a Certificate location and expiration dates
PA.I.B.K1b Required inspections and airplane logbook documentation
PA.I.B.K1c Airworthiness Directives and Special Airworthiness Information BulletinsÂ
PA.I.B.K1d Purpose and procedure for obtaining a special flight permit
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1. You are PIC of a flight and determine that the aircraft you planned to fly has an overdue Airworthiness Directive (AD). Which of the following is an appropriate decision?
Answer (C) is correct. (14 CFR 91.403) The pilot in command is responsible for ensuring the aircraft is maintained in an airworthy condition and for complying with all ADs. ADs are regulatory and must be complied with unless a specific exemption is granted.
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2. Who is responsible for ensuring Airworthiness Directives (ADs) are complied with?
Answer (A) is correct. (14 CFR 91.403) ADs are regulatory and must be complied with, unless a specific exemption is granted. It is the responsibility of the owner or operator to ensure compliance with all pertinent ADs, including those ADs that require recurrent or continuing action.
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3. May a pilot operate an aircraft that is not in compliance with an Airworthiness Directive (AD)?
Answer (C) is correct. (14 CFR Part 39) An AD is used to notify aircraft owners and other interested persons of unsafe conditions and prescribe the conditions under which the product (e.g., an aircraft) may continue to be operated. An AD may be one of an emergency nature requiring immediate compliance upon receipt or one of a less urgent nature requiring compliance within a relatively longer period of time. You may operate an airplane that is not in compliance with an AD, if such operation is allowed by the AD.
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4. What should an owner or operator know about Airworthiness Directives (ADs)?
Answer (B) is correct. (14 CFR 39.3) ADs are issued under 14 CFR Part 39 by the FAA to require correction of unsafe conditions found in an airplane, an airplane engine, a propeller, or an appliance when such conditions exist and are likely to exist or develop in other products of the same design. Since ADs are issued under 14 CFR Part 39, they are regulatory and must be complied with, unless a specific exemption is granted.
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5. Under what condition could an aircraft’s engine logbook show no previous operating history?
Answer (C) is correct. (14 CFR 91.421) A new maintenance record, without previous operating history, may be used for an aircraft engine rebuilt by the manufacturer or by an agency approved by the manufacturer.
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6. The airworthiness of an aircraft can be determined by a preflight inspection and a
Answer (C) is correct. (14 CFR 91.417) As pilot in command, you are responsible for determining whether your aircraft is in condition for safe flight. Only by conducting a preflight inspection and a review of the maintenance records can you determine whether all required maintenance has been performed and, thus, whether the aircraft is airworthy.
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7. Which records or documents shall the owner or operator of an aircraft keep to show compliance with an applicable Airworthiness Directive?
Answer (A) is correct. (14 CFR 91.417) Aircraft maintenance records must show the current status of applicable airworthiness directives (ADs) including, for each, the method of compliance, the AD number, and revision date. If the AD involves recurring action, the records must show the time and date when the next action is required.
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8. To determine the expiration date of the last annual aircraft inspection, a person should refer to the
Answer (C) is correct. (14 CFR 91.417) After maintenance inspections have been completed, maintenance personnel should make the appropriate entries in the aircraft maintenance records or logbooks. This is where the date of the last annual inspection can be found.
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9. Completion of an annual condition inspection and the return of the aircraft to service should always be indicated by
Answer (B) is correct. (14 CFR 91.417) Completion of an annual condition inspection and the return of the aircraft to service should always be indicated by an appropriate notation in the aircraft’s maintenance records.
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10. Maintenance records show the last transponder inspection was performed on September 1, 2014. The next inspection will be due no later than
Answer (C) is correct. (14 CFR 91.413) No person may use an ATC transponder that is specified in the regulations unless within the preceding 24 calendar months it has been tested and found to comply with its operating specifications. Thus, if the last inspection was performed on September 1, 2014, the next inspection will be due no later than September 30, 2016.
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11. No person may use an ATC transponder unless it has been tested and inspected within at least the preceding
Answer (C) is correct. (14 CFR 91.413) No person may use an ATC transponder that is specified in the regulations unless within the preceding 24 calendar months it has been tested and found to comply with its operating specifications.
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12. An aircraft had a 100-hour inspection when the tachometer read 1259.6. When is the next 100-hour inspection due?
Answer (B) is correct. (14 CFR 91.409) The next 100-hour inspection is due within 100 hours of time in service. The 100-hour may be exceeded by 10 hours in order to get to a place where the work can be done. However, this additional time is included in computing the next 100-hour period. Therefore, in this question, add 100 hours to 1259.6 to get the next inspection, due at 1359.6 hours.
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13. What aircraft inspections are required for rental aircraft that are also used for flight instruction?
Answer (A) is correct. (14 CFR 91.409) All aircraft that are used for hire (e.g., rental) and flight instruction must be inspected on a 100-hour basis. Also, an annual condition inspection must be completed.
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14. An aircraft’s annual condition inspection was performed on July 12, this year. The next annual inspection will be due no later than
Answer (C) is correct. (14 CFR 91.409) Annual condition inspections expire on the last day of the 12th calendar month after the previous annual condition inspection. If an annual condition inspection is performed on July 12 of this year, it will expire at midnight on July 31 next year.
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15. A 100-hour inspection was due at 3302.5 hours. The 100-hour inspection was actually done at 3309.5 hours. When is the next 100-hour inspection due?
Answer (B) is correct. (14 CFR 91.409) Since the last 100-hour inspection was due at 3302.5 hours, the next 100-hour inspection is due at 3402.5 hours (3302.5 + 100). The 100-hour limitation may be exceeded by not more than 10 hours while en route to reach a place where the inspection can be done; this excess time must be included in computing the next 100 hours of time in service.
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16. You are conducting your preflight of an aircraft and notice that the last inspection of the emergency locator transmitter was 11 calendar months ago. You may
Answer (B) is correct. (14 CFR 91.207) Each required ELT must be inspected within 12 calendar months after the last inspection for proper installation, battery corrosion, operation of the controls and crash sensor, and the presence of a sufficient signal radiating from its antenna. In this scenario, you may depart, as the last inspection was conducted 11 months ago.
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17. When must the battery in an emergency locator transmitter (ELT) be replaced (or recharged if the battery is rechargeable)?
Answer (A) is correct. (14 CFR 91.207) ELT batteries must be replaced or recharged after 50% of their useful life has expired or when the transmitter has been in use for more than 1 cumulative hour.
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18. When are non-rechargeable batteries of an emergency locator transmitter (ELT) required to be replaced?
Answer (B) is correct. (14 CFR 91.207) Non-rechargeable batteries of an ELT must be replaced when 50% of their useful life expires or after the transmitter has been in use for more than 1 cumulative hour.
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19. When may an emergency locator transmitter (ELT) be tested?
Answer (C) is correct. (AIM Para 6-2-4) ELTs may only be tested on the ground during the first 5 minutes after the hour. Other times it is only allowed with prior arrangement with the nearest FAA Control Tower or FSS. No airborne checks are allowed.
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20. When must batteries in an emergency locator transmitter (ELT) be replaced or recharged, if rechargeable?
Answer (B) is correct. (14 CFR 91.207) ELT batteries must be replaced or recharged (if rechargeable) when the transmitter has been in use for more than 1 cumulative hour or when 50% of their useful life (or useful life of charge) has expired.
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21. In addition to a valid Airworthiness Certificate, what documents or records must be aboard an aircraft during flight?
Answer (C) is correct. (14 CFR 91.203, 91.9) 14 CFR 91.203 requires both an Airworthiness Certificate and a Registration Certificate to be aboard aircraft during flight. 14 CFR 91.9 requires that operating limitations be available in the aircraft in an approved Airplane Flight Manual, approved manual material, markings, and placards, or any combination thereof.
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22. Is it legal to fly on the dealer’s registration after a buyer purchased an airplane from that dealer?
Answer (B) is correct. (14 CFR Part 47) A Dealer’s Aircraft Registration Certificate is another form of registration. It is valid only for flights within the United States by the manufacturer or a dealer for flight testing or demonstration for sale and must be removed by the dealer when the aircraft is sold. The back side of the registration is filled out with the appropriate information from the sale as well as the new owner’s name. The certificate must then be mailed back to the FAA registry in Oklahoma City. Doing so protects the buyer and seller. This requirement is law under 14 CFR 47.41(b), which became effective March 31, 2008.
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23. How long does the Airworthiness Certificate of an aircraft remain valid?
Answer (C) is correct. (14 CFR 21.181) The airworthiness certificate of an airplane remains valid as long as the airplane is in an airworthy condition, i.e., operated and maintained as required by Federal Aviation Regulations.
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24. How should an aircraft preflight inspection be accomplished for the first flight of the day?
Answer (B) is correct. (FAA-H-8083-25B Chap 9) For the first flight of the day, the preflight inspection should be accomplished by a thorough and systematic means recommended by the manufacturer.
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25. Who is primarily responsible for maintaining an aircraft in airworthy condition?
Answer (B) is correct. (FAA-H-8083-25B Chap 9) The owner or operator of an airplane is primarily responsible for maintaining an airplane in an airworthy condition, including compliance with all applicable airworthiness directives (ADs).
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26. During the preflight inspection who is responsible for determining the aircraft as safe for flight?
Answer (A) is correct. (14 CFR 91.7) During the preflight inspection, the pilot in command is responsible for determining whether the airplane is in condition for safe flight.
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27. Before passengers can be carried in an aircraft that has been altered in a manner that may have appreciably changed its flight characteristics, it must be flight tested by an appropriately-rated pilot who holds at least a
Answer (B) is correct. (14 CFR 91.407) If an alteration or repair has been made that may have changed an airplane’s flight characteristics, the airplane must be test flown and approved for return to service by an appropriately rated pilot prior to being operated with passengers aboard. The test pilot must be at least a private pilot and appropriately rated for the airplane being tested.
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28. If an alteration or repair substantially affects an aircraft’s operation in flight, that aircraft must be test flown by an appropriately-rated pilot and approved for return to service prior to being operated
Answer (B) is correct. (14 CFR 91.407) If an alteration or repair has been made that substantially affects the airplane’s flight characteristics, the airplane must be test flown and approved for return to service by an appropriately rated pilot prior to being operated with passengers aboard. The test pilot must be at least a private pilot and appropriately rated for the airplane being tested, must make an operational check of the alteration or repair made, and must log the flight in the aircraft records.
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29. An approved parachute constructed of natural fibers may be carried in an aircraft for emergency use if it has been packed by an appropriately rated parachute rigger within the preceding
Answer (A) is correct. (14 CFR 91.307) No pilot of a civil aircraft may allow a parachute that is available for emergency use to be carried in that aircraft unless it is an approved type and has been packed by a certificated and appropriately rated parachute rigger within the preceding 60 days, if natural fibers are used in its design.
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30. A parachute composed of nylon, rayon, or other synthetic fibers must have been packed by a certificated and appropriately rated parachute rigger within the preceding
Answer (C) is correct. (14 CFR 91.307) No pilot of a civil aircraft may allow a parachute that is available for emergency use to be carried in that aircraft unless it is an approved type and, if a chair type, it has been packed by a certificated and appropriately rated parachute rigger within the preceding 180 days, if synthetic fibers are used in its design.
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31. With certain exceptions, when must each occupant of an aircraft wear an approved parachute?
Answer (B) is correct. (14 CFR 91.307) Unless each occupant of an airplane is wearing an approved parachute, no pilot carrying any other person (other than a crewmember) may execute any intentional maneuver that exceeds a bank of 60° or a nose-up or nose-down attitude of 30° relative to the horizon.
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