Could a mod create as a synonym of ?

Unless anyone thinks otherwise?...

It's a common expression State-side, right?

  • 1
    $\begingroup$ Tail number or registration number work everywhere, N is a US centric and may spur the creation of many similar tags. See en.wikipedia.org/wiki/Aircraft_registration for a list of the possibilities. $\endgroup$
    – casey
    Mar 19, 2014 at 16:29

1 Answer 1


"Tail number" is much more common.

I would also say that until we have a couple of instances where it's used, we probably don't need to worry about it. This seems a bit cart-before-the-horse.

  • 2
    $\begingroup$ And I think that "registration number" is the official term. N-Number is US specific. $\endgroup$
    – Lnafziger
    Mar 19, 2014 at 15:14

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