Introduction
There is a very large difference in the price and operating economics of aircraft and this is only one aspect of several important factors that are absolutely vital for fleet planning. “Fleet commonality” and costs associated with it must be considered very carefully to obtain a better economic viewpoint of the way that cost effectiveness will impact the operations and eventual survival of the airline from an all encompassing point of view. Some carriers chose to have only a single type of aircraft for their airlines while others usually chose two or more types of aircraft to offer diversified services for ...