10 U.S. Code § 2245. Use of aircraft for proficiency flying: limitation
(b) Such regulations—
may not require proficiency flying by a member except to the extent required for the member to maintain flying proficiency in anticipation of the member’s assignment to combat operations; and
may not permit proficiency flying in the case of a member who is assigned to a course of instruction of 90 days or more.
Provisions similar to those in this section were contained in Pub. L. 101–165, title IX, § 9006, Nov. 21, 1989, 103 Stat. 1130, which was set out as a note under section 2241 of this title, prior to repeal by Pub. L. 101–510, § 1481(e)(3).