Section 29.1145 - Ignition switches(a) Ignition switches must control each ignition circuit on each engine.(b) There must be means to quickly shut off all ignition by the grouping of switches or by a master ignition control.(c) Each group of ignition switches, except ignition switches for turbine engines for which continuous ignition is not required, and each master ignition control must have a means to prevent its inadvertent operation.Doc. No. 5084, 29 FR 16150, Dec. 3, 1964, as amended by Amdt. 29-13, 42 FR 15046, Mar. 17, 1977 Secs. 313(a), 601, and 603, 72 Stat. 759, 775, 49 U.S.C. 1354(a) , 1421 , and 1423 ; sec. 6(c) , 49 U.S.C. 1655(c)