Line-fit<p>In the aviation industry, some of the added options that are installed during construction of the aircraft are either <strong>provisioned </strong>or <strong>line-fit</strong>. This refers to items that are installed on the production line by the manufacturer. The array of options available to a new customer are quite extensive – and just like with the example of buying a car, airlines also pick from a catalog, albeit one that is much larger.</p>