Assertion: helicopter | /r/HasProperty | the first
Facets:
Source sentences:
text: This was the third aerial vehicle added to Jailbreak , with the UFO being the second and the Helicopter being the first.
text: , with the UFO being the second and the Helicopter being the first.
text: Designed by Igor Sikorsky and built by the Vought-Sikorsky Aircraft Division of the United Aircraft Corporation, the helicopter was the first to incorporate a single main rotor and tail rotor design.