For me, it looks like both tags (gliders and sailplane) are similar and active (last question active less than a month ago). I fail to see the difference.

What are the criteria to know if a question falls into one category rather than the other?

Notice: the formal request is now here: tag synonyms merging: sailplane and gliders


1 Answer 1


It's the same as the difference between a sailplane and a glider. See: What is the difference between a glider and a sailplane?

(By the way, that question that I linked ought to be reopened. I just edited and cast a vote to reopen it.)

In particular, a glider is any aircraft designed primarily for unpowered flight. A sailplane, on the other hand, is a glider with conventional control surfaces (ailerons, elevator, and rudder—as opposed to, say, a paraglider or a hang glider) which is designed for staying aloft in updrafts (as opposed to a cargo glider, which is intended to simply travel a reasonable distance and then land).

Although the concepts are different, I'm not sure both tags need to exist. Perhaps we could get by with just the tag and do away with .

  • $\begingroup$ Your answer confirm what I thought. Do I have to write anew question here to get rid of one of the tag? $\endgroup$
    – Manu H
    Commented Aug 26, 2019 at 5:08
  • $\begingroup$ @ManuH Sorry for the late response. Yes, if I were you, I would write a new meta post suggesting the deletion of the tag you think should be deleted. $\endgroup$ Commented Sep 1, 2019 at 20:39

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