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 of control, for a while, either on the ground or in the air, and of course is to be avoided. By the way, compensating for skidding is the same with a car or plane—one turns either craft in the direction of the skid.

Besides skidding, a plane can stall exactly as a car does on a hill. The motor is overtaxed and stops. The plane motor doesn't stop, but just as a stalled car starts to roll backwards down the hill, so the stalled plane begins to drop. Recovery of control with an automobile is simple; only a matter of jamming on the brakes and getting the engine started again. With the plane there is similarly little difficulty; it falls for a moment until it attains enough forward speed to make the rudder and elevators again effective. This is comparable to the ineffectiveness of a rudder on a too slow-moving boat. If a plane stall with out motor occurs so close to the earth that there isn't time to recover control, a hard landing results.