I was just informed that the world's biggest aircraft was the Antonov An-225, and huge airplane.

That being said, I was curious what the world's biggest military aircraft was. Are there limitations such as maximum speed etc,.?

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    $\begingroup$ Biggest payload, gross takeoff weight, wingspan, length, etc, or some combination of those? $\endgroup$ – Camille Goudeseune Apr 15 at 21:11
  • $\begingroup$ Also current military, ex-military converted to civilian use (the An-225) or historic (perhaps the Hughs "Spruce Goose"). And by wingspan, the Stratolaunch carrier aircraft is the largest flying plane. $\endgroup$ – jamesqf Apr 16 at 4:19
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    $\begingroup$ Actually, I think the military zeppelins were way way larger than any airplanes of all time. $\endgroup$ – user3528438 Apr 16 at 12:41

Because the AN-225 is not a military aircraft and Zeppelin will be winner, there is no one biggest plane.

  • C5 Galaxy = 76 meters long, 68 m wingspan, 20 m high, wing area:576 m2
  • An-124 = 69 meters long, 73 m wingspan, 21 m high, wing area: 628 m2
  • (Bonus:) Hughes H-4 Hercules (Spruce Goose on picture) = 66.55 meters long, 97,54 wingspan, 24 m high, wing area: 1 061,8 m2

See this : comparison


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    $\begingroup$ Not quite sure why this got a down vote. It seems to accurately point out that "biggest" depends on what dimension one measures... Except, of course, that it's trying to answer an unclear question. $\endgroup$ – FreeMan Apr 16 at 14:55
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    $\begingroup$ ... and then there's the issue of volume, which some would also consider a measure of "big". $\endgroup$ – Michael Tracy Apr 16 at 15:46
  • $\begingroup$ @Michael Tracy: And also gross weight, or cargo capacity. $\endgroup$ – jamesqf Apr 16 at 19:23