where:

 

image\MISC0098_wmf.gif

is the ratio of vertical tail aspect ratio in the presence of fuselage to that of an isolated vertical tail.

 

image\MISC0099_wmf.gif

is the aspect ratio of the vertical tail extended to the fuselage centerline.

 

image\MISC0100_wmf.gif

is the correction factor accounts for relative size of the horizontal tail and vertical tail.

 

image\MISC0101_wmf.gif

is the ratio of vertical tail aspect ratio in the presence of fuselage and horizontal tail to the vertical tail aspect ratio in the presence of fuselage alone.