Do you want to access to this and other private contents?
Log in if you are a subscriber or click here to request service
Sikorsky-Boeing: ground tests for the SB>1 Defiant helicopter
The first flight scheduled for 2019 -VIDEO
![Sikorsky e Boeing presentano elicottero SB>1 Defiant](https://avionews.it/resources/big/c2ecd288e658af2a6b4222dea4c2e262.jpg.webp)
The US companies Boeing and Sikorsky (part of Lockheed Martin) published a video of the first ground tests on the SB>1 Defiant helicopter on their "Twitter" pages. The counter-rotating double-rotor coaxial aircraft produced jointly by the two companies is one of the two competing to replace the fleet of multi-role helicopters in use by the US Army, which will start to be replaced starting from 2030....
M/A - 1218364
AVIONEWS - World Aeronautical Press Agency
AVIONEWS - World Aeronautical Press Agency