HeavyDSparks on MSN

That was a full boom - the RC helicopter that just grenaded at 1,800 RPM

We pulled up to an RC airfield in St. George and the lineup was unreal—turbine helicopters and jets that look full-size once ...

NTSB unclear who was at controls in jet crash that killed ex-NASCAR driver Greg Biffle and 6 others

Federal investigators are trying to determine why a business jet carrying retired NASCAR driver Greg Biffle and six others ...
ABC News

DC plane crash updates: Remains of 55 victims recovered and positively identified

All 67 people on board the plane and the helicopter were killed. An American Airlines regional jet went down in the Potomac River near Washington, D.C.'s Ronald Reagan Washington National Airport ...
IEEE

Adaptive Interval Observer-Based Fault-Tolerant Control for a 3-DOF Helicopter Without Angular Velocity Measurement

Abstract: This brief presents a novel active fault-tolerant control (FTC) scheme for an unstable three-degree-of-freedom (3-DOF) helicopter subject to motor faults. The helicopter is instrumented only ...
The New York Times

Trump Returns Coast Guard Helicopter to Oregon Fishing Town After Uproar

Some residents in Newport, Ore., believed that the Trump administration had removed its Coast Guard rescue helicopter to make way for an immigration detention site. By Anna Griffin The Trump ...
IEEE

Design of Helicopter Attitude Controller Based on Improved Explicit Model Following Control

Abstract: Attitude control was the key to helicopter flight control which was the internal loop of speed and trajectory control. So, design of the helicopter attitude controller was the focus in the ...