BTW range training
Behind-the-wheel (BTW) range training means training provided by a BTW instructor when an entry-level driver has actual control of the power unit during a driving lesson conducted on a range. BTW range training does not include time an entry-level driver spends observing the operation of a CMV when he or she is not in control of the vehicle.
Source
49 CFR § 380.605
Scoping language
The definitions in parts 383 and 384 of this subchapter apply to this subpart, except as stated below. As used in this subpart: