Research Article

A Least-Square Model to Estimate Historical Percentages of Itinerant General Aviation Operations by Aircraft Types and Flight Rules at an Airport

Table 3

Coefficient from 1998 to 2012.

199819992000200120022003200420052006200720082009201020112012

Number of airports used in calibration307315322327332332340343344347347350349351353
3.013.653.192.963.023.043.543.372.913.33.543.863.663.053.05
4.83.993.893.574.114.344.264.224.294.453.363.283.453.463.64
McFadden’s 4.8%5.0%4.4%4.1%4.7%5.2%5.2%5.2%5.0%5.5%4.3%4.6%5.0%4.7%5.0%

data at airports other than large and medium hubs are used for model calibration.