(a) Any lease, a notice of tax lien or other lien (except a notice of Federal tax lien referred to in §49.17(a)), and any mortgage, equipment trust, contract of conditional sale, or other instrument executed for security purposes, which affects title to, or any interest in, any specifically identified aircraft engine of 550 or more rated takeoff horsepower, or the equivalent of that horsepower, or a specifically identified aircraft propeller capable of absorbing 750 or more rated takeoff shaft horsepower.
(b) An assignment or amendment of, or supplement to, an instrument named in paragraph (a) of this section.
(c) A release, cancellation, discharge, or satisfaction of a conveyance named in paragraph (a) or (b) of this section.
[Doc. No. 1996, 29 FR 6486, May 19, 1964, as amended by Amdt. 49–5, 35 FR 802, Jan 21, 1970; Amdt. 49–10, 70 FR 246, Jan. 3, 2005]
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