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A Focke-Wulf Fw 190 A-8 replica in a ground loop caused by a failure of the right-hand wheel brake. The right main undercarriage is collapsing. In aviation, a ground loop is a rapid rotation of a fixed-wing aircraft in the horizontal plane while on the ground.
The main difference between avionic software and conventional embedded software is that the development process is required by law and is optimized for safety. It is claimed that the process described below is only slightly slower and more costly (perhaps 15 percent) than the normal ad hoc processes used for commercial software .
The following are flight simulator software applications that can be downloaded or played for free. Several items are outdated. Please notice 'free' is not the same as open source. Free games may have limited options or include advertisements.
OpenVSP Ground School is a set of comprehensive tutorials under development by Brandon Litherland at NASA. Ground school tutorials provide details on OpenVSP features and techniques, along with tutorials for beginner and advanced users, and are hosted on the Langley Research Center website. [11]
Gekko - simulation software in Python with machine learning and optimization; GNU Octave - an open-source mathematical modeling and simulation software very similar to using the same language as MATLAB and Freemat. JModelica.org is a free and open source software platform based on the Modelica modeling language.
The flight plan is generally determined on the ground, before departure either by the pilot for smaller aircraft or a professional dispatcher for airliners. It is entered into the FMS either by typing it in, selecting it from a saved library of common routes (Company Routes) or via an ACARS datalink with the airline dispatch center.
Two aircraft manufacturers produce commercial passenger aircraft with primary flight computers that can perform under different flight control modes. The most well-known is the system of normal , alternate , direct laws and mechanical alternate control laws of the Airbus A320 - A380 . [ 3 ]
The stalling angle of attack is less in ground effect, by approximately 2–4 degrees, than in free air. [23] [24] When the flow separates there is a large increase in drag. If the aircraft overrotates on take-off at too low a speed the increased drag can prevent the aircraft from leaving the ground.