NOTE: DO NOT MOVE ON TO THE NEXT PAGE WITHOUT ATTEMPTING THESE THREE QUESTIONS!

Consider an aircraft with the following aerodynamic & mission specification: 

• CD0 = 0.0181; k = 1.23; AR = 8.9

• Hold speed = 214 kts at 1500 ft

• Rate of turn = 3.6 deg/s

• Throttle setting 50%

• Hold weight = 0.85 MTOW

Answer the following three questions in turn:

Q1 What is the density of the atmosphere at the hold altitude, in kg/m³

, to 4 d.p.?