ROWLETT, Texas (AP) — Investigators found main rotor impact marks next to a tail boom that separated from a helicopter just before a crash near Dallas, the National Transportation Safety Board ...

German researchers believe the addition of active twisting technology to helicopter main rotor blades can significantly improve performance while also cutting noise and vibration levels.

ROWLETT, Texas — The National Transportation Safety Board (NTSB) has released a preliminary report on the March 25 helicopter crash in Rowlett that killed two people. The crash happened just before 11 ...

Emergency responders at the Mercy Flight crash that killed two pilots on April 26 in Elba have known that the Bell 429 helicopter landed in two pieces: the main body and the tail. Now a preliminary ...

The project is part of the Biodiversity Project, funded by the Xunta de Galicia within the framework of the Civil UAVs Initiative. UAVOS has been selected by Avincis, a leading European company ...