A multiengine crippled aircraft, with most or all of the flight control system inoperative, may use engine thrust for control. A study was conducted of the capability and techniques for emergency flight control. Included were light twin engine piston powered airplanes, an executive jet transport, commercial jet transports, and a high performance fighter. Piloted simulations of the B-720, B-747, B-727, MD-11, C-402, and F-15 airplanes were studied, and the Lear 24, PA-30, and F-15 airplanes were flight tested. All aircraft showed some control capability with throttles and could be kept under control in up-and-away flight for an extended period of time. Using piloted simulators, landings with manual throttles-only control were extremely difficult. However, there are techniques that improve the chances of making a survivable landing. In addition, augmented control systems provide major improvements in control capability and make repeatable landings possible. Control capabilities and techniques are discussed.
Controlling Crippled Aircraft-with Throttles
1991
30 pages
Report
No indication
English
Aircraft , Combustion, Engines, & Propellants , Control theory , Engine control , Flight control , Flight simulation , Throttling , Thrust control , Aircraft control , Aircraft landing , Boeing 720 aircraft , Controllability , Emergencies , F-15 aircraft , Flight simulators , Jet aircraft , Manual control , Multiengine vehicles , Transport aircraft
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