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Passenger Load Factor
Passenger load factor, or load factor, measures the capacity utilization of public transport services like airlines, passenger railways, and intercity bus services. It is generally used to assess how efficiently a transport provider fills seats and generates fare revenue. According to the International Air Transport Association, the worldwide load factor for the passenger airline industry during 2015 was 79.7%. Overview Passenger load factor is an important parameter for the assessment of the performance of any transport system. Almost all transport systems have high fixed costs, and these costs can only be recovered through selling tickets. Airlines often calculate a load factor at which the airline will break even; this is called the break-even load factor. At a load factor lower than the break even level, the airline will lose money, and above will record a profit. The environmental performance of any transport mode improves as the load factor increases. The weight of pas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Passenger Capacity Of Different Transport Modes
A passenger is a person who travels in a vehicle, but does not bear any responsibility for the tasks required for that vehicle to arrive at its destination or otherwise operate the vehicle, and is not a steward. The vehicles may be bicycles, buses, cars, passenger trains, airliners, ships, ferryboats, personal watercraft, all terrain vehicles, snowmobiles, and other methods of transportation. Crew members (if any), as well as the driver or pilot of the vehicle, are usually not considered to be passengers. For example, a flight attendant on an airline would not be considered a passenger while on duty and the same with those working in the kitchen or restaurant on board a ship as well as cleaning staff, but an employee riding in a company car being driven by another person would be considered a passenger, even if the car was being driven on company business. Legal status In most jurisdictions, laws have been enacted that dictate the legal obligations of the owner of a v ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crush Load
A crush load is a level of passenger loading in a transport vehicle which is so high that passengers are "crushed" against one another. It represents an extreme form of passenger loading, and normally considered to be representative of a system with serious capacity limitations. Crush loads result from too many passengers within a vehicle designed for a much smaller number. Crush loaded trains or buses are so heavily loaded that for most passengers physical contact with several other nearby passengers is impossible to avoid. Definition In the context of transport economics and Transport planning, planning, crush load refers to the maximum level of passenger load for a particular vehicle or rail carriage. Crush loads are calculated for the number of passengers per unit area, standing up. Crush loads are not an issue for passengers that are seated, as passengers will not normally sit on one another. Crush loads are most common on city buses and Rapid transit, rail metro systems, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Civil Aviation
Civil aviation is one of two major categories of flying, representing all non-military and non-state aviation, which can be both private and commercial. Most countries in the world are members of the International Civil Aviation Organization and work together to establish common Standards and Recommended Practices for civil aviation through that agency. Civil aviation includes three major categories: * Airline, Commercial air transport, including scheduled and non-scheduled passenger and cargo flights * Aerial work, in which an aircraft is used for specialized services such as agriculture, photography, surveying, search and rescue, etc. * General aviation (GA), including all other civil flights, private or commercial Although scheduled air transport is the larger operation in terms of passenger numbers, GA is larger in the number of flights (and flight hours, in the U.S.) In the U.S., GA carries 166 million passengers each year, more than any individual airline, though less tha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Transport Economics
Transport economics is a branch of economics founded in 1959 by American economist John R. Meyer that deals with the resource allocation, allocation of resources within the transport sector. It has strong links to civil engineering. Transport economics differs from some other branches of economics in that the assumption of a spaceless, instantaneous economy does not hold. People and goods flow over networks at certain speeds. Demands peak. Advance ticket purchase is often induced by lower fares. The networks themselves may or may not be competitive. A single trip (the final good, in the consumer's eyes) may require the bundling of services provided by several firms, agencies and modes. Although transport systems follow the same supply and demand theory as other industries, the complications of network effects and choices between dissimilar goods (e.g. car and bus travel) make estimating the demand for transportation facilities difficult. The development of models to estimate the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crush Load
A crush load is a level of passenger loading in a transport vehicle which is so high that passengers are "crushed" against one another. It represents an extreme form of passenger loading, and normally considered to be representative of a system with serious capacity limitations. Crush loads result from too many passengers within a vehicle designed for a much smaller number. Crush loaded trains or buses are so heavily loaded that for most passengers physical contact with several other nearby passengers is impossible to avoid. Definition In the context of transport economics and Transport planning, planning, crush load refers to the maximum level of passenger load for a particular vehicle or rail carriage. Crush loads are calculated for the number of passengers per unit area, standing up. Crush loads are not an issue for passengers that are seated, as passengers will not normally sit on one another. Crush loads are most common on city buses and Rapid transit, rail metro systems, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Passenger-kilometre
The units of measurement in transportation describes the unit of measurement used to express various transportation quantities, as used in statistics, planning, and their related applications. Transportation quantity The currently popular units are: Length of journey * kilometre (km) or kilometer is a metric unit used, outside the US, to measure the length of a journey; * the international statute mile (mi) is used in the US; 1 mi = 1.609344 km * nautical mile is rarely used to derive units of transportation quantity. Traffic flow * vehicle-kilometre (vkm) as a measure of traffic flow, determined by multiplying the number of vehicles on a given road or traffic network by the average length of their trips measured in kilometres. * vehicle-mile (, or VMT) same as before but measures the trip expressed in miles. Passenger Payload quantity * Passenger; Person (often abbreviated as either "pax" or "p." or No.) Passenger-distance Passenger-distance is the distance (km ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dimensionless Quantity
Dimensionless quantities, or quantities of dimension one, are quantities implicitly defined in a manner that prevents their aggregation into unit of measurement, units of measurement. ISBN 978-92-822-2272-0. Typically expressed as ratios that align with another system, these quantities do not necessitate explicitly defined Unit of measurement, units. For instance, alcohol by volume (ABV) represents a volumetric ratio; its value remains independent of the specific Unit of volume, units of volume used, such as in milliliters per milliliter (mL/mL). The 1, number one is recognized as a dimensionless Base unit of measurement, base quantity. Radians serve as dimensionless units for Angle, angular measurements, derived from the universal ratio of 2π times the radius of a circle being equal to its circumference. Dimensionless quantities play a crucial role serving as parameters in differential equations in various technical disciplines. In calculus, concepts like the unitless ratios ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Warren Buffett
Warren Edward Buffett ( ; born August 30, 1930) is an American investor and philanthropist who currently serves as the chairman and CEO of the conglomerate holding company Berkshire Hathaway. As a result of his investment success, Buffett is one of the best-known investors in the world. According to ''Forbes'', as of May 2025, Buffett's estimated net worth stood at US$160.2 billion, making him the fifth-richest individual in the world. Buffett was born in Omaha, Nebraska. The son of U.S. congressman and businessman Howard Buffett, he developed an interest in business and investing during his youth. He entered the Wharton School of the University of Pennsylvania in 1947 before graduating from the University of Nebraska at 20. He went on to graduate from Columbia Business School, where he molded his investment philosophy around the concept of value investing pioneered by Benjamin Graham. He attended New York Institute of Finance to focus on his economics background and soon ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United Express Flight 3411 Incident
On April 9, 2017, at Chicago O'Hare International Airport, four paying customers were selected to be involuntarily deplaned from United Express Flight 3411 to make room for four deadheading employees. One of these passengers was David Dao, 69, a Vietnamese-American who was injured when he was physically assaulted and forcefully removed from the flight by Chicago Department of Aviation Security officers. Dao, a pulmonologist, refused to leave his seat when directed because he needed to see patients the following day. In the process of removing him, the security officers struck his face against an armrest, then dragged him – bloodied, bruised, and unconscious – by his arms down the aircraft aisle, past rows of onlooking passengers. The incident is widely characterized by critics – and later by United Airlines itself – as an example of mishandled customer service. A video of the incident recorded by passengers went viral on social media, resulting in anger over the use of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
International Air Transport Association
The International Air Transport Association (IATA ) is an airline trade association founded in 1945. IATA has been described as a cartel since, in addition to setting technical standards for airlines, IATA also organized tariff conferences that served as a forum for price fixing. According to IATA, the trade association represents 317 airlines, including major carriers, from over 120 countries. The IATA's member airlines account for carrying approximately 82% (2020) of total available seat miles air traffic. IATA supports airline activity and helps formulate industry policy and standards. It is headquartered in Montreal, Canada, with executive offices in Geneva, Switzerland. History IATA was formed in April 1945 in Havana, Cuba. It is the successor to the International Air Traffic Association, which was formed in 1919 at The Hague, Netherlands. At its founding, IATA consisted of 57 airlines from 31 countries. Much of IATA's early work was technical and IATA provided input to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Road Space Requirements
A road is a thoroughfare used primarily for movement of traffic. Roads differ from streets, whose primary use is local access. They also differ from stroads, which combine the features of streets and roads. Most modern roads are Road surface, paved. The words "road" and "street" are commonly considered to be interchangeable, but the distinction is important in urban design. There are road hierarchy, many types of roads, including parkways, avenue (landscape), avenues, controlled-access highways (freeways, motorways, and expressways), tollways, interstates, highways, and local roads. The primary features of roads include lanes, sidewalks (pavement), roadways (carriageways), median strip, medians, shoulder (road), shoulders, road verge, verges, bike paths (cycle paths), and shared-use paths. Definitions Historically, many roads were simply recognizable routes without any formal construction or some maintenance. The Organisation for Economic Co-operation and Development, Organi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Revenue
In accounting, revenue is the total amount of income generated by the sale of product (business), goods and services related to the primary operations of a business. Commercial revenue may also be referred to as sales or as turnover. Some company, companies receive revenue from interest, royalties, or other fees. This definition is based on International Accounting Standard, IAS 18. "Revenue" may refer to income in general, or it may refer to the amount, in a monetary unit, earned during a period of time, as in "Last year, company X had revenue of $42 million". Profit (accounting), Profits or net income generally imply total revenue minus total expenses in a given period. In accountancy, accounting, revenue is a subsection of the equity section of the balance statement, since it increases equity. It is often referred to as the "top line" due to its position at the very top of the income statement. This is to be contrasted with the "bottom line" which denotes net income (gross reve ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
