The Aerion Business Jet is a concept for a supersonic business jet (the company is now defunct). It had a thin supersonic airfoil with an approximately 18.6m span and a 7.1m chord. Assume that it is the only source of lift for the aircraft and that the wing is unswept. The mass of the vehicle is about 35,000 kg.

The aircraft is flying straight and level at an altitude of 12,800 m and at 422.6 m/s.

a) At what Mach number is the aircraft flying?

b) What is the required lift coefficient for level flight?

c) What is the equation of supersonic lift coefficient in terms of angle of attack, a?

d) What angle of attack is required for level flight?

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