An airplane, approching an airport for landing, had been asked to wait until the runway is clear. The plane flies a "holding pattern," which basically means it will fly in a circle at a constant height and speed. Suppose the 5.80010⁴ kg airplane has a speed of 640. km/h and needs to fly in a circle with a radius of 4.40 km. To turn, it will bank (tilt) its wings at some angle; this makes the aerodynamic lift force [(L)\vec] point up and to the left as shown below. What does the banking angle need to be for the plane to travel in the circle?

Lift Bank Angle