embodiments may be practiced without some of these specific details the following description and drawings provide examples for illustration but are not intended in a limiting sense and are not intended to provide an exhaustive treatment of all possible implementations it should be noted that references to u201c an embodiment u201d or u201c one embodiment u201d in this disclosure are not necessarily to the same embodiment and such references may contemplate more than one embodiment further the terms u201c bus u201d and u201c buss u201d are used interchangeably throughout the specification and in the drawings further references made to actuation of a switch may include opening or closing of a switch it is understood that embodiments demonstrating a circuit having a switch in a first state may also be reconfigured to a circuit having a switch in a second state without departing from the scope of the present subject matter thus an embodiment having a normally closed switch may be realized in an embodiment having a normally open switch without departing from the present subject matter those of skill in the art upon reading and understanding the present application will appreciate that differences in configuration and components may be employed without departing from the scope of the present teachings fig1 a illustrates a block diagram of one embodiment of an aircraft security system 100 including block 71 including an aircraft battery block 72 including an aircraft master switch and an electrical buss block 73 including an anti theft system block 74 including one or more aircraft starter switches for single and multiple engines and block 75 including.