An important aviation milestone was made in 1939 when the Sikorsky VS-300 made its maiden flight, becoming the first successful operational helicopter. It soon introduced the world to a new form of ...
The global heavy-lift drone sector recently marked a critical advance with the successful inaugural flight of the T1400 tandem unmanned helicopter. Developed and manufactured by Harbin United Aircraft ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results