Airworthiness Determinations & Return-to-Service Protocols Flashcards
7 cards from real IA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Airworthiness Determinations & Return-to-Service Protocols flashcards as text
After a major repair is approved for return to service, how must the completed FAA Form 337 be handled?
Answer: Copy to the aircraft owner and a copy forwarded to the FAA within 48 hours
Appendix B of part 43 requires one copy to the owner and one forwarded to the FAA Aircraft Registration Branch within 48 hours.
Which is NOT acceptable approved data for a major alteration?
Answer: A manufacturer's informal service letter with no FAA approval
Major alterations must use FAA-approved data such as STCs, DER-approved data or field approvals.
An A&P mechanic without an IA performed a major repair on a certificated aircraft's wing spar. Who may approve it for return to service?
Answer: An IA holder or an appropriately rated repair station
Under 43.7, return to service after major repair requires an appropriately rated repair station or an IA using approved data.
Under 14 CFR 91.407, when is a flight test required before carrying passengers after maintenance?
Answer: After a major repair or alteration that may have appreciably changed flight characteristics or operation
A flight check is required when the work may appreciably change flight characteristics or substantially affect operation in flight.
Which regulation document lists examples of major alterations and major repairs for airframes, powerplants, propellers and appliances?
Answer: 14 CFR part 43, appendix A
Appendix A of part 43 describes major alterations, major repairs and preventive maintenance.
Which best defines a major repair under 14 CFR part 1?
Answer: A repair that, if improperly done, might appreciably affect weight, balance, structural strength, performance, powerplant operation, flight characteristics, or other airworthiness qualities
Part 1 defines major repair by its potential effect on airworthiness, not by labor time or who does it.
After an avionics installation adds 18 pounds in the aft baggage area, what must be done to the aircraft's records?
Answer: Revise the weight and balance data and equipment list
Altered empty weight and CG must be recomputed and the equipment list revised so the records remain accurate.
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