Sunday 15 June 2014

What Runway Analysis Is All About

By Ina Hunt


If you are ready for takeoff you need to ensure that your takeoff is not overweight. You need to make sure that you are not leaving payload behind. It is also important to make sure the field length calculations are correct. To make sure that all these factors are in order then you need to have a runway analysis done. This is a calculation to determine the takeoff and landing weights.

These calculations utilize two elements. The first component is referred to as AMF performance data and the other element is runway and obstacle data. If you have these two components then all the right weights can be determined. AMF performance data is usually necessary for airworthiness standards to be met. The requirements which are specific are well explained in the flight test section. All these information is usually taken during the flight test stage of the certification.

Analysis done on the runway are used to evaluate the maximum allowable takeoff for the airstrip conditions. The perfect take off speeds and airplane settings are considered. The FAA and the Airplane Flight Manual specifies the limitations. All the required information is delivered in a complete manual. This manual has any description of all the airstrips that the aircraft is made to fly to.

The data for the airports is taken from a database that is worldwide. It is compiled from industry and government sources. These kind of calculations are very important for the purpose of planning. They are provided when they are needed. The calculations can be obtained by the customers when they need the data. They can get a paper copy or they can get the information through the internet.

The most extreme weight that is reasonable is dictated by factoring a few components. One of the elements is the most extreme guaranteed takeoff weight. An alternate variable is the ascension constrained weight. In other words this is the weight at which the last fragment and the second section climb sections are feasible for the temperature and also the height of the airfield.

The limited weight of the field length is another factor to consider. This refers to the maximum weight at which an aircraft meets FAR rules when it comes to temperature, wind, length, elevation as well the slope of the airport. Another consideration is the obstruction limited weight. This is set by the FAR. It is a function of several factors. They include the height, wind, distance as well as elevation and slope.

Unless it is specified in the calculations a straight out flight path is assumed as the clearance for obstruction along the extended center line. Brake energy capacity is another characteristic that is evaluated. It is evaluated to ensure that weights shown after the calculations are compliant with the limitations of the brake energy.

The final factor to place into consideration is the tire speed. This element ensures that the weights are in line with the tires limitations as far as speed is concerned. Calculations are designed to make tables that are used by customers to make procedures that reduce the thrust.




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