Code of Federal Regulations

Title 14 - Aeronautics and Space
Volume: 1Date: 2021-01-01Original Date: 2021-01-01Title: Section § 25.1147 - Mixture controls.Context: Title 14 - Aeronautics and Space. CHAPTER I - FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION. SUBCHAPTER C - AIRCRAFT. PART 25 - AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES. Subpart E - Powerplant. - Powerplant Controls and Accessories.
§ 25.1147 Mixture controls. (a) If there are mixture controls, each engine must have a separate control. The controls must be grouped and arranged to allow— (1) Separate control of each engine; and (2) Simultaneous control of all engines. (b) Each intermediate position of the mixture controls that corresponds to a normal operating setting must be identifiable by feel and sight. (c) The mixture controls must be accessible to both pilots. However, if there is a separate flight engineer station with a control panel, the controls need be accessible only to the flight engineer.