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The runway lights and notification beacons were all functioning. However, because of the nature of the terrain around the airport, it did not have a glide slope as part of its ILS. A glide slope transmits a signal to the aircraft to help the pilot make sure that the plane descends at the right angle. Because of the absence of the glide slope, the landing was considered a non-precision instrument approach. The airport was allowed to operate without a glide slope, but without it, pilots had one less tool for landing safely. Investigators also ruled out the height of the trees as a factor. The trees were too tall according to the Federal Aviation Regulations in use at the time. However, these regulations were used for administrative purposes, like allocating money or notifying the public of construction. The height of the trees did not violate the U.S. Standard for Terminal Instrument Approach Procedure (TERPS). In other words, under normal circumstances, the height of the trees should not have affected a plane's ability to land. The NTSB's final analysis was that the airplane had crashed because it was below the Minimum Descent Altitude (MDA). In other words, it crashed because it was too close to the ground while descending. But the NTSB was not able to determine precisely why the plane was flying too low. Investigators narrowed it down to two possibilities. In other words, either the instruments were functioning incorrectly or the pilot and first officer were using their data incorrectly. We'll look at these two possibilities in more detail in the next section.|We can provide a consistently high quality finite element analysis services at affordable rates. We achieve this by blending strong in-country management with our highly skilled and experienced offshore professionals. We strive to establish fruitful business partnership with our clients by ensuring precise, accurate, high quality finite element analysis solutions within the budget and on time. FEA includes a computer model of a material or design that is stressed and analyzed for specific results. It is used either in new product design as well as existing product refinement. Our company is able to verify a proposed design will be able to perform as per the clients' specific requirements prior to manufacturing or construction. Modifying an existing product or structure is utilized to qualify the product or structure for a new service condition. In case of structural failure, FEA may be used to help determine the design modifications to meet the new condition. Our firm combines wealth of experienced and multi-disciplinary capabilities providing quality finite element analysis (FEA) services to our worldwide clients. Finite Element Analysis (FEA), sometimes referred to as FE, or FEM, is a computer simulation technique that allows any product to be analyzed in great detail to carry out a stress analysis, vibration analysis, heat transfer analysis and many other physical analysis.




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