By Norman J. Ashford, Saleh Mumayiz, Paul H. Wright
First released in 1979, Airport Engineering by means of Ashford and Wright, has develop into a vintage textbook within the schooling of airport engineers and transportation planners. over the last two decades, development of recent airports within the US has waned as building out of the country boomed. This new version of Airport Engineering will reply to this shift within the development of airports globally, with a spotlight at the position of the foreign Civil Aviation association (ICAO), whereas nonetheless offering the easiest practices and demonstrated basics that experience made the booklet profitable for over 30 years.
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Additional info for Airport Engineering: Planning, Design and Development of 21st Century Airports
The percentage of national figures does not necessarily remain stable; rapidly growing areas attract more demand than mostly slow-growing areas where the primary-sector economic base is static and growth is insignificant. Conversely, excessively large error will occur at an airport that starts operating as an airline hub. 2. Airport market areas in certain parts of the world may overlap within their regions. A certain level of competition comes into the picture that requires careful consideration and may render this technique less useful.
In deriving medium- to long-term forecasts by extrapolating current traffic trends, the primary assumption here is that underlying factors which determined the historical development of demand will continue to hold and operate in the future as in the past. Therefore, this method of forecasting is only appropriate when there is strong stability in the past trend of demand development and the level of confidence in this major assumption is high (2). The simplest procedure for identifying the particular trend curve in a time series of historical data is to actually plot it.
An underlying assumption in all forecasts is that forecast models hold in the future as long as assumptions related to all factors hold in the future as they do at past and present. Typically, econometric forecast models are developed based on time-series historic database or industry crosssectional data. Availability and accuracy of the data used are critical to this process both for airlines and for airports. In conducting forecasts of airport demand, the following factors are considered (2): 1.
Airport Engineering: Planning, Design and Development of 21st Century Airports by Norman J. Ashford, Saleh Mumayiz, Paul H. Wright