1.   But a disoriented pilot can bank a plane into a fatal spiral.

2.   Passengers said the pilot banked the plane gradually over the water and turned back toward the airport.

3.   The pilot banked the craft slightly to the right to refine his course, and then the right rotor lost lift and the Osprey flipped over.

4.   Some said it appeared as if the pilot banked towards the sea to avoid a tragedy on the crowded beach.

5.   Now pilots must bank three times instead of approaching along the straight line they used to follow.