where:

 

image\MISC0236_wmf.gif

is the vertical tail taper ratio.

 

image\MISC0237_wmf.gif

is the Z-coordinate of the fuselage centerline in the region of the horizontal tail.

 

image\MISC0238_wmf.gif

is the Z-coordinate of the vertical tail apex.

 

image\MISC0239_wmf.gif

is the vertical tail span.