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I just realized something... all this time I've known it as "glide scope" for some unknown reason. I learned something new today...
3-9-4. TAXI INTO POSITION AND HOLD (TIPH) a. The intent of TIPH is to position aircraft for an imminent departure. Authorize an aircraft to taxi into position and hold, except as restricted in subpara f, when takeoff clearance cannot be issued because of traffic. Issue traffic information to any aircraft so authorized. Traffic information may be omitted when the traffic is another aircraft which has landed on or is taking off the same runway and is clearly visible to the holding aircraft. Do not use conditional phrases such as "behind landing traffic" or "after the departing aircraft." b. USN NOT APPLICABLE. First state the runway number followed by the taxi into position clearance when more than one runway is active. PHRASEOLOGY-RUNWAY (number), POSITION AND HOLD.Or, when only one runway is active:POSITION AND HOLD.EXAMPLE-"United Five, runway one eight, position and hold. Traffic a Boeing Seven Thirty Seven, six mile final."