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pg.26

immediately beforemaking another right turn. The last manuever of the airplane brings it into the point where it is flying in the direction of the runway or, as it is called, "the final approach".

At that point, the directing of the plane towards, onto and down on the runway is taken over by three men. O'Brien then takes over the directing of the next plane and White selects the third plane to be started into the pattern.

The three men, previously mentioned, take over the directing of the plane along its "final approach". One of them, Soskin of Crew # 1, called the azimuth tracker, turned a little wheel which kept a piece of lucite directly on the "picture" of the airplane on his scope. The wheel in turn was connected to an instrument which told the final approach controller, the only one of the three to talk to the pilot, how far in feet from the center of the runway the plane was located as it flew in toward the strip. On the other side of him, sat the elevation tracker, who tracked with a wheel just as the azimuth man, but he tracked the plane up and down. His wheel was attached to an instrument, also located before the final approach controller, which told the height of the plane above or below a theoretical line which ended near the beginning of the air strip. Thus the final approach controller, Mathis of Crew # 1, could see, from the instruments before him, how far to the left or right ofthe center of the runway the plane was located