The purpose of this book is to describe a method, based on a set of technical and economic criteria, to estimate the profitability of a route for public passenger transportation by helicopters. We believe that the more intuitive method is to estimate initially the break-even point of economic activity that a transport operator undertakes. In order to make the discussion as light as possible some semplifcations were introduced. These semplifications were based on the level of precision required by the calculation needs. On a few occasions we referred to empirical data because of the inherent difficulty to collect definitive data, Data as such sale price of helicopters are never willingly "disclosed" by manufacturers. Nonetheless for each figure it has reported the source or the calculation mechanism in order to make it simple to apply in different cases. We believe that nowadays the aviation expertise should always be accompanied by an economic vision in order to avoid unsustainable business or worse a loss of money. The report is a valuable aid for students of aerospace engineering, or for planner of helicopter routes, to estimate the economic capacity of a transport operator vs a business plan. We recommend some some previous knowledges to use this book, particularly in reading the diagrams depicted into a helicopter flight manual; the analysis of the breakeven point of a business; and finally the knowledge of the use of electronic spreadsheets: such as: LibreOffice Calc, OpenOffice Calc, MS Excel, or similars. Chapter 2 provides some details about the “ground effect” which is often used from the helicopters to take off and to fly in particular situations. Chapter 3 describes the operative performances of the two helicopters used as reference for this book: the Eurocopter AS 365 N2 and the Agusta AW139. Chapter 4 deals with the economic sustainability of helicopters providing services for public transport with the analysis of the expenses that a helicopter operator has to go to. Chapter 5 provides informationa about how to set up a helicopter network. Chapter 6 describes how to analyse the profitability items of a specific route within the network. Chapter 7 is devoted to the simulation of the Route Scenarios. Chapter 8 contains a list of concluding topics. Chapter 9 contains the final considerations and some concluding reminds. Annex A describing the technical requirements to design ground level helipads. Annex B containing the IR OPS Class 1 Cat A helicopters requirements. Annex C describing takeoffs and landings for helicopter Class 1 Cat A.
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[ 59 ] S. Kotz , T. J. Kozubowski , and K. Podgorski , The Laplace ... valued signal processing : The proper way to deal with impropriety , ” IEEE Trans .
Some documents are annotated; some are left without annotations to provide more flexibility for instructors. This booklet can be packaged at no additional cost with any Longman title in technical communication.
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The emission rates for ammonia (Casey et al., 2006): • Layers: 116 g NH3 per AU (AU or animal unit or 500 kg). • Broilers: 135 g NH3 per AU (AU or animal unit or 500 kg). Emission rates in different reports vary from less than either 10 ...
[45] B.F. Hoskins, R. Robson, “Design and construction of a new class of scaffolding-like materials comprising infinite polymeric frameworks of 3D-linked molecular rods. A reappraisal of the zinc cyanide and cadmium cyanide structures ...
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