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3 Answers

Unknown symbol in TPP

Asked by: 3025 views Instrument Rating

Have no idea how to paste picture here, so I’ll try to explain my question just as is. I’m wondering about meaning of symbol in “INOP COMPONENTS”, page A1, it looks like a cross after RVR numbers: “To RVR 4000” followed by this symbol.

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3 Answers



  1. Russ Roslewski on Feb 25, 2020

    It’s just an “attention symbol” like an asterisk to get you to refer to somewhere else, or to connect two pieces of information in different locations on the page.

    In this case it means that the increase to RVR 4000 applies when you have published visibility minima of RVR 1800 – see the heading for that portion of the table directly above the table. If you have published visibility of RVR 2000 or 2200, those have an asterisk * and refer to the “to RVR 4500” in the table.

    They use a # sign in a similar way in the next row of information, to refer to the note below the table.

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  2. Mark Kolber on Feb 25, 2020

    As Russ indicates, they are the equivalent of footnotes. They used to be much more common in written materials. Technically, there’s even a traditional hierarchy, *, †, ‡, §, |, ¶, although these days it pretty much a free for all after the first 2 or 3.

    If you see one next to an item, it is replicated elsewhere on the page with an explanation.

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  3. Rkon on Feb 25, 2020

    Thanks guys, it was much easier then expected 🙂

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