Remote control planes making big splash with no sound

Jim, John and John spend more time looking up at the sky these days than just about anywhere else. Besides risking a stiff neck, they’re having the time of ...
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 ...
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 ...
Flightglobal

Boeing lands $4.6bn Apache attack helicopter order for Poland, Kuwait and Egypt

Aircraft manufacturer Boeing has secured a multi-billion-dollar international order for the company’s AH-64E Apache attack helicopter. The $4.6 billion deal was announced on 25 November through the ...