Airport XYZ is using a parallel runway configuration separated by $3,000$ feet. The airport's fleet mix consists of $48\%$ small, $34\%$ large and $18\%$ heavy aircraft. Figure A$1\mathrm{.}1$A $-$ A$1\mathrm{.}1$G$.$pdi

a$)$ Calculate the Mix Index $(3$ points$)$

b$)$ What is the hourly capacity estimate of this airport under ideal weather conditions? $(1$ points$)$

c$)$ What is the hourly capacity estimate of this airport under Instrument Meterological Conditions? $(1$ points$)$

d$)$ Explain why the capacity estimates differ. $(4$ points$)$

e$)$ Estimate the number of operations this airport can handle on a yearly basis. $(1$ points$)$