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  1. Are there runway distance remaining signs used outside of the United States (and territories)? From what I can tell by reading this document (p. 50), these are standardized by the FAA (§ 2-3-13), but not the ICAO.

  2. Do these exist anywhere in SI units (e.g. meters)?

Runway distance remaining sign Image from ICAO document linked above

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    $\begingroup$ I can't really provide a thorough answer, but they certainly do exist outside the USA. Here is one example from Aalborg (EKYT): skraafoto.dataforsyningen.dk/… Interestingly, they are spaced by 1000 ft (not SI units). I think it may be a military thing - EKYT is a NATO airbase $\endgroup$ Commented Apr 23, 2023 at 6:52
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    $\begingroup$ And an example from Madeira (LPMA). Don't know what the spacing is here. airliners.net/photo/LTU-Lufttransport-Unternehmen/… $\endgroup$ Commented Apr 23, 2023 at 6:54

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There is no ICAO standard for runway distance remaining. Some nations have their own standards: for instance, Germany has a sign reading "½" in black on a yellow background at the halfway point.

This EASA document indicates that:

ICAO is currently working on the runway distance-remaining signs for which EASA is following the developments and will review the outcome of ICAO's work.

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