2-4-15. EMPHASIS FOR CLARITY

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  • 2-4-15. EMPHASIS FOR CLARITY

    Emphasize appropriate digits, letters, or similar sounding words to aid in distinguishing between similar sounding aircraft identifications. Additionally:

    1. Notify each pilot concerned when communicating with aircraft having similar sounding identifications.
      • EXAMPLE
      • “United Thirty-one United, Miami Center, U.S. Air Thirty-one is also on this frequency, acknowledge.”
      • “U.S. Air Thirty-one U.S. Air, Miami Center, United Thirty-one is also on this frequency, acknowledge.”
    2. Notify the operations supervisor-in-charge of any duplicate flight identification numbers or phonetically similar-sounding call signs when the aircraft are operating simultaneously within the same sector.
      • REFERENCE
      • FAA Order JO 7210.3, Para 2-1-14, Aircraft Identification Problems.

      NOTE: This is especially important when this occurs on a repetitive, rather than an isolated, basis.

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