Reentry vehicle
Reentry vehicle means a vehicle designed to return from Earth orbit or outer space to Earth substantially intact. A reusable launch vehicle that is designed to return from Earth orbit or outer space to Earth substantially intact is a reentry vehicle.
Source
14 CFR § 401.5
Scoping language
For the purposes of parts 415, 417, 431, 435, 440, and 460 of this chapter, the following definitions apply: