Following is a transcript of the video. This helicopter has dual-crossing rotors for increased precision The K-MAX uses a unique double rotor system where the two rotors cross each other.

Foreign customers received over 1,800 Russian-made military helicopters in 1991-2014 ROSTOV-ON-DON, March 16. /TASS/. The production of the Mi-28UB dual-control attack helicopters for the Russian ...

Four people are dead and another 13 injured after two helicopters collided before one crashed into the Broadwater on the Gold Coast. (AAP Image/Jono Searle) NO ARCHIVING Source: AAP / JONO SEARLE ...