Question: I have separate logbooks for engine, airframe, and propeller. Can you clarify which aircraft logbook is required to have the annual inspection endorsement?
Answer: The annual inspection should be logged in the airframe logbook. Advisory Circular 43-9C states in paragraph 10(d), “When an owner maintains a single record, the entry of the 100-hour or annual inspection is made in that record. If the owner maintains separate records for the airframe, powerplants, and propellers, the entry for the 100-hour inspection is entered in each, while the annual inspection is only required to be entered into the airframe record.”
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