A while back, I came across a remote-controlled flying version of the Starship Enterprise. Now, the guy behind that build is showing off the next member of his flying fleet, a Klingon D7 Battlecruiser.
This awesome paper model from SG Ideas flies perfectly and would definitely give Kirk and his Starfleet crew a run for their money if they ever did battle. Here, check it out on its maiden voyage:
About the only thing this thing needs is a battle-scarred paintjob, photon torpedoes and the ability to cloak.