(a) References to class of aircraft in §§ 135.4(b)(2), 135.247(a)(1) and (2), and 135.603 of this chapter are inapplicable when a powered-lift is used for the operation under part 135.

(b) Notwithstanding the course content contained in the appendices to part 141, references to a class rating or a class of aircraft in those appendices is inapplicable when a powered-lift is used for the course of training.

(c) References to class of aircraft in §§ 142.11(d)(2)(ii), 142.49(c)(3)(iii), 142.53(b)(1), and 142.65(b)(1) of this chapter are inapplicable when a powered-lift or flight simulation training device representing a powered-lift is used for the operation under part 142.