StacksVerified U.S. regulatory reference

14 CFR §29.1147

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)If there are mixture controls, each engine must have a separate control, and the controls must be arranged to allow—
    1. (1)Separate control of each engine; and
    2. (2)Simultaneous control of all engines.
  2. (b)Each intermediate position of the mixture controls that corresponds to a normal operating setting must be identifiable by feel and sight.