From this graph, Fujita then released the following descriptions for the F-Scale http://www.spc.noaa.gov/faq/tornado/f-scale.html. Over the years, the F-Scale has revealed the following weaknesses: 1  It is subjective based solely on the. 2  caused by a tornado.
9 Answers. The empty weight is the weight of the airplane including anything that is permanently attached to it and includes any un-drainable fluids. There is a maximum gross weight for takeoff and on larger aircraft there may be a maximum landing weight. The useful load is the difference between the maximum gross weight and the empty weight. To the empty weight, you have to add the fuel, oil, any other fluids, pilot and passengers, and baggage.
Aircraft Capacity by Airport Reference Code. The purpose of this document is to help users of the Aviation Economic Impact Online Calculator estimate the seating capacity of new airport operations. This document provides examples of airplane types and seating capacities for each Airport Reference Code (ARC), but does not comprehensively cover all possible aircraft types. This table is for estimating purposes only and should never be used to determine if your airplane can land at a specific airport.