5-5-7. PASSING OR DIVERGING

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  • 5-5-7. PASSING OR DIVERGING

    1. TERMINAL. In accordance with the following criteria, all other approved separation may be discontinued and passing or diverging separation applied when:
      1. Single Site ASR or FUSION Mode
        1. (a) Aircraft are on opposite/reciprocal courses and you have observed that they have passed each other; or aircraft are on same or crossing courses/assigned radar vectors and one aircraft has crossed the projected course of the other, and the angular difference between their courses/assigned radar vectors is at least 15 degrees.

          NOTE: Two aircraft, both assigned courses and/or radar vectors with an angular difference of at least 15 degrees, is considered a correct application of this paragraph.

        2. (b) The tracks are monitored to ensure that the primary targets, beacon control slashes, FUSION target symbols, or full digital terminal system primary and/or beacon target symbols will not touch.
      2. EN ROUTE, TERMINAL (when STARS Multi-Sensor Mode is selected). Vertical separation between aircraft may be discontinued when they are on opposite courses as defined in para 1-2-2, Course Definitions; and
        1. You are in communications with both aircraft involved; and
        2. You tell the pilot of one aircraft about the other aircraft, including position, direction, type; and
        3. One pilot reports having seen the other aircraft and that the aircraft have passed each other; and
        4. You have observed that the radar targets have passed each other; and
        5. You have advised the pilots if either aircraft is classified as a super or heavy aircraft.
        6. Although vertical separation may be discontinued, the requirements of Para 5-5-4, Minima, subparagraph g must be applied when wake turbulence separation is required.
        • EXAMPLE
        • “Traffic, twelve o'clock, Boeing Seven Twenty Seven, opposite direction. Do you have it in sight?”
        • (If the answer is in the affirmative):
        • “Report passing the traffic.”
        • (When pilot reports passing the traffic and the radar targets confirm that the traffic has passed, issue appropriate control instructions.)
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