14 CFR §49.15

1. (a)The fees charged for recording conveyances under this part are as follows:
2. (b)There is no fee for recording a bill of sale that accompanies an application for aircraft registration and the proper fee under Part 47 of this chapter.
3. (c)Each conveyance must be accompanied by the proper fee, that may be paid by check or money order to the Federal Aviation Administration.