14 C.F.R. § 29.1142 Auxiliary power unit controls.
Title 14 - Aeronautics and Space
Means must be provided on the flight deck for starting, stopping, and emergency shutdown of each installed auxiliary power unit. (Secs. 313(a), 601, 603, 604, Federal Aviation Act of 1958 (49 U.S.C. 1354(a), 1421, 1423, 1424), sec. 6(c), Dept. of Transportation Act (49 U.S.C. 1655(c))) [Amdt. 29–17, 43 FR 50602, Oct. 30, 1978]
Title 14: Aeronautics and Space
PART 29—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY ROTORCRAFT
Subpart E—Powerplant
Powerplant Controls and Accessories
§ 29.1142 Auxiliary power unit controls.