14 C.F.R. § 49.43 Eligibility for recording: general requirements.
Title 14 - Aeronautics and Space
A conveyance is eligible for recording under this subpart only if, in addition to the requirements of §§49.11, 49.13, and 49.17, the following requirements are met: (a) It affects and describes an aircraft engine or propeller to which this subpart applies, specifically identified by make, model, horsepower, and manufacturer's serial number; and (b) It is accompanied by the recording fee required by §49.15, but there is no fee for recording a conveyance named in §49.41(c).
Title 14: Aeronautics and Space
PART 49—RECORDING OF AIRCRAFT TITLES AND SECURITY DOCUMENTS
Subpart D—Encumbrances Against Specifically Identified Aircraft Engines and Propellers
§ 49.43 Eligibility for recording: general requirements.
