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The first airlines

FedEx Express McDonnell Douglas MD-11.FedEx Express is the world’s largest airline in terms of number of aircraft and in terms of freight tons flown.[1]

Failed attempt at an airline before DELAG DELAG, Deutsche Luftschiffahrts-Aktiengesellschaft was the world’s first airline. It was founded on November 16, 1909 with government assistance, and operated airships manufactured by The Zeppelin Corporation. Its headquarters were in Frankfurt. (Note: Americans, such as Rufus Porter and Frederick Marriott, attempted to start airlines in the mid-19th century, focusing on the New York-California route. Those attempts foundered due to such mishaps as the aircraft catching fire and the aircraft being ripped apart by spectators.) The five oldest non-dirigible airlines that still exist are Australia’s Qantas, Netherland’s KLM, Colombia’s Avianca, Czech Republic’s Czech Airlines and Mexico’s Mexicana. KLM first flew in May 1920 while Qantas (for the Queensland and Northern Territory Aerial Services Limited) was founded in Queensland, Australia in late 1920.

Ryanair Boeing 737-800 shortly after takeoff. Ryanair is the world’s largest airline in terms of number of international passengers carried.[2] An airline provides air transport services for passengers or freight, generally with a recognized operating certificate or license. Airlines lease or own their aircraft with which to supply these services and may form partnerships or alliances with other airlines for mutual benefit. Airlines vary from those with a single airplane carrying mail or cargo, through fullservice international airlines operating hundreds of airplanes. Airline services can be categorized as being intercontinental, intra continental, domestic, or international and may be operated as scheduled services or charters.

U.S. Airline Industry
Early Development
Tony Jannus conducted the United States’ scheduled commercial airline flight on 1 January 1914 for the Saint Petersburg-routes, Braniff Airways, American Airlines, Delta Air Lines, United Airlines (originally a division of Boeing), Trans World Airlines, Northwest Airlines, and Eastern Air Lines, to name a few. Passenger service during the early 1920s was sporadic: most airlines at the time were


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TWA Douglas DC-3 in 1940. The DC-3, often regarded as one of the most influential aircraft in the history of commercial aviation, revolutionized the aviation industry.[3] focused on carrying bags of mail. In 1925, however, the Ford Motor Company bought out the Stout Aircraft Company and began construction of the all-metal Ford Trimotor, which became the first successful American airliner. With a 12-passenger capacity, the Trimotor made passenger service potentially profitable. Air service was seen as a supplement to rail service in the American transportation network. At the same time, Juan Trippe began a crusade to create an air network that would link America to the world, and he achieved this goal through his airline, Pan American World Airways, with a fleet of flying boats that linked Los Angeles to Shanghai and Boston to London. Pan Am and Northwest Airways (which began flights to Canada in the 1920s) were the only U.S. airlines to go international before the 1940s. With the introduction of the Boeing 247 and Douglas DC-3 in the 1930s, the U.S. airline industry was generally profitable, even during the Great Depression. This trend continued until the beginning of World War II.

In October 1945, the American Export Airlines became the first airline to offer regular commercial flights between North America and Europe.[4] Shown here is Am Ex Boeing 377 Stratocruiser in 1949. World War II, like World War I, brought new life to the airline industry. Many airlines in the Allied countries were flush from lease contracts to the military, and foresaw a future explosive demand for civil air transport, for both passengers and cargo. They were eager to invest in the newly emerging flagships of air travel such as the Boeing Stratocruiser, Lockheed Constellation, and Douglas DC-6. Most of these new aircraft were based on American bombers such as the B-29, which had spearheaded research into new technologies such as pressurization. Most offered increased efficiency from both added speed and greater payload. In the 1950s, the De Havilland Comet, Boeing 707, Douglas DC-8, and Sud Aviation Caravelle became the first flagships of the Jet Age in the West, while the Soviet Union bloc had Tupolev Tu-104 and Tupolev Tu-124 in the fleets of state-owned carriers such as Czechoslovak ČSA, Soviet Aeroflot and EastGerman Interflug. The Vickers Viscount and Lockheed L-188 Electra inaugurated turboprop transport. The next big boost for the airlines would come in the 1970s, when the Boeing 747, McDonnell Douglas DC-10, and Lockheed L-1011 inaugurated widebody ("jumbo jet") service, which is still the standard in international travel. The Tupolev Tu-144 and its Western counterpart, Concorde, made supersonic travel a reality. Concorde first flew in 1969 and operated through 2003. In 1972, Airbus began producing Europe’s most commercially successful line of airliners to date. The added efficiencies for these aircraft were often not in speed, but in passenger capacity,

Development since 1945
As governments met to set the standards and scope for an emergent civil air industry toward the end of the war, it was no surprise that the U.S. took a position of maximum operating freedom. After all, U.S. airline companies were not as hard-hit as European and the few Asian ones had been. This preference for "open skies" operating regimes continues, within limitations, to this day.


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today the domestic industry operates over 10,000 daily departures nationwide. Toward the end of the century, a new style of low cost airline emerged, offering a nofrills product at a lower price. Southwest Airlines, JetBlue, AirTran Airways, Skybus Airlines and other low-cost carriers began to represent a serious challenge to the so-called "legacy airlines", as did their low-cost counterparts in many other countries. Their commercial viability represented a serious competitive threat to the legacy carriers. However, of these, ATA and Skybus have since ceased operations. Thus the last 50 years of the airline industry have varied from reasonably profitable, to devastatingly depressed. As the first major market to deregulate the industry in 1978, U.S. airlines have experienced more turbulence than almost any other country or region. Today, American Airlines is the only U.S. legacy carrier to survive bankruptcyfree.

Pan Am Boeing 747 Clipper Ocean Pearl in 1988. The deregulation of the American airline industry increased the financial troubles of the iconic airline which ultimately filed for bankruptcy in December 1991.[5] 1978’s U.S. airline industry deregulation lowered barriers for new airlines. In this period, new start-ups entered during downturns in the normal 8-10 year business cycle. At that time, they find aircraft and funding, contract hangar and maintenance services, train new employees, and recruit laid off staff from other airlines. As the business cycle returned to normalcy, major airlines dominated their routes through aggressive pricing and additional capacity offerings, often swamping new startups. Only America West Airlines (which has since merged with US Airways) remained a significant survivor from this new entrant era, as dozens, even hundreds, have gone under. In many ways, the biggest winner in the deregulated environment was the air passenger. Indeed, the U.S. witnessed an explosive growth in demand for air travel, as many millions who had never or rarely flown before became regular fliers, even joining frequent flyer loyalty programs and receiving free flights and other benefits from their flying. New services and higher frequencies meant that business fliers could fly to another city, do business, and return the same day, for almost any point in the country. Air travel’s advantages put intercity bus lines under pressure, and most have withered away. By the 1980s, almost half of the total flying in the world took place in the U.S., and

European Airline Industry



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The first countries in Europe to embrace air transport were Finland, France, Germany, the Netherlands and the United Kingdom. KLM, the oldest carrier still operating under its original name, was founded in 1919. The first flight (operated on behalf of KLM by Aircraft Transport and Travel) transported two English passengers to Schiphol, Amsterdam from London in 1920. Like other major European airlines of the time (see France and the UK below), KLM’s early growth depended heavily on the needs to service links with farflung colonial possessions (Dutch Indies). It is only after the loss of the Dutch Empire that KLM found itself based at a small country with few potential passengers, depending heavily on transfer traffic, and was one of the first to introduce the hub-system to facilitate easy connections. France began an air mail service to Morocco in 1919 that was bought out in 1927, renamed Aéropostale, and injected with capital to become a major international carrier. In 1933, Aéropostale went bankrupt, was nationalized and merged with several other airlines into what became Air France. In Finland, the charter establishing Aero O/Y (now Finnair, one of the oldest still-operating airlines in the world) was signed in the city of Helsinki on September 12, 1923. Junkers F 13 D-335 became the first aircraft of the company, when Aero took delivery of it on March 14, 1924. The first flight was between Helsinki and Tallinn, capital of Estonia, and it took place on March 20, 1924, one week later. Germany’s Lufthansa began in 1926. Lufthansa, unlike most other airlines at the time, became a major investor in airlines outside of Europe, providing capital to Varig and Avianca. German airliners built by Junkers, Dornier, and Fokker were the most advanced in the world at the time. The peak of German air travel came in the mid-1930s, when Nazi propaganda ministers approved the start of commercial zeppelin service: the big airships were a symbol of industrial might, but the fact that they used flammable hydrogen gas raised safety concerns that culminated with the Hindenburg disaster of 1937. The reason they used hydrogen instead of the not-flammable helium gas was because the United States was (and still is) the only source of helium and at the time the Americans refused to delivery helium to Germany.

The British company Aircraft Transport and Travel commenced a London to Paris service on August 25, 1919, this was the world’s first regular international flight. The United Kingdom’s flag carrier during this period was Imperial Airways, which became BOAC (British Overseas Airways Co.) in 1939. Imperial Airways used huge Handley-Page biplanes for routes between London, the Middle East, and India: images of Imperial aircraft in the middle of the Rub’al Khali, being maintained by Bedouins, are among the most famous pictures from the heyday of the British Empire.

Deregulation of the European Union airspace in the early 1990s has had substantial effect on structure of the industry there. The shift towards ’budget’ airlines on shorter routes has been significant. Airlines such as EasyJet and Ryanair have grown at the expense of the traditional national airlines. There has also been a trend for these national airlines themselves to be privatised such as has occurred for Aer Lingus (Ireland) and British Airways. Other national airlines, including Italy’s Alitalia, have suffered - particularly with the rapid increase of oil prices in early 2008.

Latin American Airline Industry

Presentation of first Airbus A330 in Bogotá. Along the first countries to have regular airlines in Latin America were Colombia with Avianca, Chile with LAN Chile (today LAN Airlines), Mexico with Mexicana de Aviación, Brazil with Varig, and TACA as a brand of several airlines of Central American countries (Honduras, El Salvador, Costa Rica, Guatemala and Nicaragua). All the previous airlines started regular operations before World War II.


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The air travel market has evolved rapidly over recent years in Latin America. Some industry estimations over 2000 new aircraft will begin service over the next five years in this region. These airlines serve domestic flights within their countries, as well as connections within Latin America and also overseas flights to North America, Europe, Australia, Africa and Asia. Just one airline, LAN (Latin American Networks) has international subsidiaries: Chile as the central operation along with Peru, Ecuador, Argentina and some operations in the Dominican Republic. The main hubs in Latin America are Sao Paulo in Brazil, Bogota in Colombia, Caracas in Venezuela, Guayaquil in Ecuador, Lima in Peru, Mexico City in Mexico, Buenos Aires in Argentina, and Santiago in Chile.

Another airline company to begin early operations was Air India, which had its beginning as Tata Airlines in 1932, a division of Tata Sons Ltd. (now Tata Group) by India’s leading industrialist JRD Tata. On October 15, 1932, J. R. D. Tata himself flew a single engined De Havilland Puss Moth carrying air mail (postal mail of Imperial Airways) from Karachi to Bombay via Ahmedabad. The aircraft continued to Madras via Bellary piloted by Royal Air Force pilot Nevill Vincent. With the outbreak of World War II, the airline presence in Asia came to a relative halt, with many new flag carriers donating their aircraft for military aid and other uses. Following the end of the war in 1945, regular commercial service was restored in India and Tata Airlines became a public limited company on July 29, 1946 under the name Air India. After the independence of India, 49% of the airline was acquired by the Government of India. In return, the airline was granted status to operate international services from India as the designated flag carrier under the name Air India International. On July 31, 1946, a chartered Philippine Airlines (PAL) DC-4 ferried 40 American servicemen to Oakland, California from Nielson Airport in Makati City with stops in Guam, Wake Island, Johnston Atoll and Honolulu, Hawaii, making PAL the first Asian airline to cross the Pacific Ocean. A regular service between Manila and San Francisco was started in December. It was during this year that the airline was designated as the flag carrier of Philippines. During the era of decolonization, newlyborn Asian countries started to embrace air transport. Among the first Asian carriers during the era were Cathay Pacific (founded in September 1946), Orient Airways (later Pakistan International Airlines; founded in October 1946), Malayan Airlines (later Singapore and Malaysian Airlines; founded in 1947), Garuda Indonesia in 1949, Japan Airlines in 1951, and Korean Air in 1962.

Asian Airline Industry
Some of the first countries in Asia to embrace air transport were India, Hong Kong, Indonesia, Malaysia, Pakistan and the Philippines. One of the first countries in Asia to embrace air transport was the Philippines. Philippine Airlines was founded on February 26, 1941, making it one of Asia’s oldest carriers and also the oldest operating under its current name. The airline was started by a group of businessmen led by Andres Soriano, hailed as one of the Philippines’ leading industrialists at the time. The airline’s first flight was made on March 15, 1941 with a single Beech Model 18 NPC-54 aircraft, which started its daily services between Manila (from Nielson Field) and Baguio, later to expand with larger aircraft such as the DC-3 and Vickers Viscount.

Regulatory considerations
Air India Boeing 747-400. Founded by J. R. D. Tata as Tata Airlines in 1932, it was one of the first airlines in Asia. Many countries have national airlines that the government owns and operates. Fully private airlines are subject to a great deal of


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Pakistan International Airlines Boeing 747-300. The Government of Pakistan is the majority stake-holder in the country’s flag carrier. government regulation for economic, political, and safety concerns. For instance, the government often intervenes to halt airline labor actions in order to protect the free flow of people, communications, and goods between different regions without compromising safety. The United States, Australia, and to a lesser extent Brazil, Mexico, the United Kingdom and Japan have "deregulated" their airlines. In the past, these governments dictated airfares, route networks, and other operational requirements for each airline. Since deregulation, airlines have been largely free to negotiate their own operating arrangements with different airports, enter and exit routes easily, and to levy airfares and supply flights according to market demand. The entry barriers for new airlines are lower in a deregulated market, and so the U.S. has seen hundreds of airlines start up (sometimes for only a brief operating period). This has produced far greater competition than before deregulation in most markets, and average fares tend to drop 20% or more. The added competition, together with pricing freedom, means that new entrants often take market share with highly reduced rates that, to a limited degree, full service airlines must match. This is a major constraint on profitability for established carriers, which tend to have a higher cost base. As a result, profitability in a deregulated market is uneven for most airlines. These forces have caused some major airlines to go out of business, in addition to most of the poorly established new entrants.

Singapore Airlines Airbus A380 lands at Changi Airport. The Singapore Airlines was the first international airline to operate the A380, the world’s largest passenger airliner.[6] Groups such as the International Civil Aviation Organization establish worldwide standards for safety and other vital concerns. Most international air traffic is regulated by bilateral agreements between countries, which designate specific carriers to operate on specific routes. The model of such an agreement was the Bermuda Agreement between the US and UK following World War II, which designated airports to be used for transatlantic flights and gave each government the authority to nominate carriers to operate routes. Bilateral agreements are based on the "freedoms of the air," a group of generalized traffic rights ranging from the freedom to overfly a country to the freedom to provide domestic flights within a country (a very rarely granted right known as cabotage). Most agreements permit airlines to fly from their home country to designated airports in the other country: some also extend the freedom to provide continuing service to a third country, or to another destination in the other country while carrying passengers from overseas. In the 1990s, "open skies" agreements became more common. These agreements take many of these regulatory powers from state governments and open up international routes to further competition. Open skies agreements have met some criticism, particularly within the European Union, whose airlines would be at a comparative disadvantage with the United States’ because of cabotage restrictions.


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Economic considerations

Ticket revenue
Airlines assign prices to their services in an attempt to maximize profitability. The pricing of airline tickets has become increasingly complicated over the years and is now largely determined by computerized yield management systems. Because of the complications in scheduling flights and maintaining profitability, airlines have many loopholes that can be used by the knowledgeable traveler. Many of these airfare secrets are becoming more and more known to the general public, so airlines are forced to make constant adjustments. Most airlines use differentiated pricing, a form of price discrimination, in order to sell air services at varying prices simultaneously to different segments. Factors influencing the price include the days remaining until departure, the booked load factor, the forecast of total demand by price point, competitive pricing in force, and variations by day of week of departure and by time of day. Carriers often accomplish this by dividing each cabin of the aircraft (first, business and economy) into a number of travel classes for pricing purposes. A complicating factor is that of origin-destination control ("O&D control"). Someone purchasing a ticket from Melbourne to Sydney (as an example) for AU$200 is competing with someone else who wants to fly Melbourne to Los Angeles through Sydney on the same flight, and who is willing to pay AU$1400. Should the airline prefer the $1400 passenger, or the $200 passenger plus a possible Sydney-Los Angeles passenger willing to pay $1300? Airlines have to make hundreds of thousands of similar pricing decisions daily. The advent of advanced computerized reservations systems in the late 1970s, most notably Sabre, allowed airlines to easily perform cost-benefit analyses on different pricing structures, leading to almost perfect price discrimination in some cases (that is, filling each seat on an aircraft at the highest price that can be charged without driving the consumer elsewhere). The intense nature of airfare pricing has led to the term "fare war" to describe efforts

Juan Trippe, the founder of Pan American World Airways, surveying his globe. The collapse of Pan Am, an airline often credited for shaping the international airline industry, in December 1991 highlighted the financial complexities faced by major airline companies. Historically, air travel has survived largely through state support, whether in the form of equity or subsidies. The airline industry as a whole has made a cumulative loss during its 120-year history, once the costs include subsidies for aircraft development and airport construction.[7][8] One argument is that positive externalities, such as higher growth due to global mobility, outweigh the microeconomic losses and justify continuing government intervention. A historically high level of government intervention in the airline industry can be seen as part of a wider political consensus on strategic forms of transport, such as highways and railways, both of which receive public funding in most parts of the world. Profitability is likely to improve in the future as privatization continues and more competitive low-cost carriers proliferate. Although many countries continue to operate state-owned or parastatal airlines, many large airlines today are privately


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Lufthansa Boeing 747-400. In 2004, the European Commission forced various European airlines to end price discrimination.[9] by airlines to undercut other airlines on competitive routes. Through computers, new airfares can be published quickly and efficiently to the airlines’ sales channels. For this purpose the airlines use the Airline Tariff Publishing Company (ATPCO), who distribute latest fares for more than 500 airlines to Computer Reservation Systems across the world. The extent of these pricing phenomena is strongest in "legacy" carriers. In contrast, low fare carriers usually offer preannounced and simplified price structure, and sometimes quote prices for each leg of a trip separately. Computers also allow airlines to predict, with some accuracy, how many passengers will actually fly after making a reservation to fly. This allows airlines to overbook their flights enough to fill the aircraft while accounting for "no-shows," but not enough (in most cases) to force paying passengers off the aircraft for lack of seats. Since an average of ⅓ of all seats are flown empty, stimulative pricing for low demand flights coupled with overbooking on high demand flights can help reduce this figure.

An Airbus A340-600 of Virgin Atlantic Airways. In October 2008, Virgin Atlantic offered to combine its operations with BMI in an effort to reduce operating costs.[10] from ticket sales is paid out to a wide variety of external providers or internal cost centers. Moreover, the industry is structured so that airlines often act as tax collectors. Airline fuel is untaxed because of a series of treaties existing between countries. Ticket prices include a number of fees, taxes and surcharges beyond the control of airlines. Airlines are also responsible for enforcing government regulations. If airlines carry passengers without proper documentation on an international flight, they are responsible for returning them back to the original country. Analysis of the 1992-1996 period shows that every player in the air transport chain is far more profitable than the airlines, who collect and pass through fees and revenues to them from ticket sales. While airlines as a whole earned 6% return on capital employed (2-3.5% less than the cost of capital), airports earned 10%, catering companies 10-13%, handling companies 11-14%, aircraft lessors 15%, aircraft manufacturers 16%, and global distribution companies more than 30%. (Source: Spinetta, 2000, quoted in Doganis, 2002) In contrast, Southwest Airlines has been the most profitable of airline companies since 1973. The widespread entrance of a new breed of low cost airlines beginning at the turn of the century has accelerated the demand that full service carriers control costs. Many of these low cost companies emulate Southwest Airlines in various respects, and like Southwest, they are able to eke out a consistent profit throughout all phases of the business cycle.

Operating costs


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As a result, a shakeout of airlines is occurring in the U.S. and elsewhere. United Airlines, Continental Airlines (twice), US Airways (twice), Delta Air Lines, and Northwest Airlines have all declared Chapter 11 bankruptcy. Some argue that it would be far better for the industry as a whole if a wave of actual closures were to reduce the number of "undead" airlines competing with healthy airlines while being artificially protected from creditors via bankruptcy law. On the other hand, some have pointed out that the reduction in capacity would be short lived given that there would be large quantities of relatively new aircraft that bankruptcies would want to get rid of and would re-enter the market either as increased fleets for the survivors or the basis of cheap planes for new startups. Where an airline has established an engineering base at an airport then there may be considerable economic advantages in using that same airport as a preferred focus (or "hub") for its scheduled flights.


Assets and financing

Airline partnerships

The ’Golden Lounge’ of Malaysia Airlines at Kuala Lumpur International Airport (KLIA). The airline has ownership of special slots at KLIA giving it a competitive edge over other airlines operating at the airport. Airline financing is quite complex, since airlines are highly leveraged operations. Not only must they purchase (or lease) new airliner bodies and engines regularly, they must make major long-term fleet decisions with the goal of meeting the demands of their markets while producing a fleet that is relatively economical to operate and maintain. Compare Southwest Airlines and their reliance on a single airplane type (the Boeing

A Japan Airlines Boeing 777-300 with special Oneworld livery. Oneworld is the third largest airline alliance after Star Alliance and SkyTeam. Code sharing is the most common type of airline partnership; it involves one airline


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selling tickets for another airline’s flights under its own airline code. An early example of this was Japan Airlines’ code sharing partnership with Aeroflot in the 1960s on flights from Tokyo to Moscow: Aeroflot operated the flights using Aeroflot aircraft, but JAL sold tickets for the flights as if they were JAL flights. This practice allows airlines to expand their operations, at least on paper, into parts of the world where they cannot afford to establish bases or purchase aircraft. Another example was the Austrian- Sabena partnership on the Vienna-Brussels-New York JFK route during the late ’60s, using a Sabena Boeing 707 with Austrian colors. Since airline reservation requests are often made by city-pair (such as "show me flights from Chicago to Düsseldorf"), an airline who is able to code share with another airline for a variety of routes might be able to be listed as indeed offering a Chicago-Düsseldorf flight. The passenger is advised however, that Airline 1 operates the flight from say Chicago to Amsterdam, and Airline 2 operates the continuing flight (on a different airplane, sometimes from another terminal) to Düsseldorf. Thus the primary rationale for code sharing is to expand one’s service offerings in city-pair terms so as to increase sales. A more recent development is the airline alliance, which became prevalent in the 1990s. These alliances can act as virtual mergers to get around government restrictions. Groups of airlines such as the Star Alliance, Oneworld, and SkyTeam coordinate their passenger service programs (such as lounges and frequent flyer programs), offer special interline tickets, and often engage in extensive codesharing (sometimes systemwide). These are increasingly integrated business combinations-- sometimes including crossequity arrangements-- in which products, service standards, schedules, and airport facilities are standardized and combined for higher efficiency. One of the first airlines to start an alliance with another airline was KLM, who partnered with Northwest Airlines. Both airlines later entered the SkyTeam alliance after the fusion of KLM and Air France in 2004. Often the companies combine IT operations, buy fuel, or purchase airplanes as a bloc in order to achieve higher bargaining power. However, the alliances have been most successful at purchasing invisible supplies and services, such as fuel. Airlines

usually prefer to purchase items visible to their passengers to differentiate themselves from local competitors. If an airline’s main domestic competitor flies Boeing airliners, then the airline may prefer to use Airbus aircraft regardless of what the rest of the alliance chooses.

Environmental impacts

MODIS tracking of contrails generated by air traffic over the southeastern United States on January 29, 2004. Aircraft engines emit noise pollution, gases and particulate emissions, and contribute to global warming[11][12] and global dimming.[13] Aviation is widely criticized, even though it is one of the least-polluting forms of travel in the world. Modern turbofan and turboprop engines are considerably more fuel-efficient and less polluting than earlier models. However, despite this, the rapid growth of air travel in recent years contributes to an increase in total pollution attributable to aviation, offsetting some of the reductions achieved by automobiles. In the EU greenhouse gas emissions from aviation increased by 87% between 1990 and 2006.[14] CO2 emissions from the jet fuel burned per passenger on an average 3200 kilometers (1992 miles) airline flight is about 353 kilograms (776 pounds). [15] Loss of natural habitat potential associated with the jet fuel burned per passenger on a 3200 kilometers (1992 miles) airline flight is estimated to be 250 square meters (2700 square feet). [16] In the context of climate change and peak oil, there is a debate about possible taxation of air travel and the inclusion of aviation in


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an emissions trading scheme, with a view to ensuring that the total external costs of aviation are taken into account.[17] The airline industry is responsible for about 11 percent of greenhouse gases emitted by the U.S. transportation sector. Boeing estimates that biofuels could reduce flightrelated greenhouse-gas emissions by 60 to 80 percent. The solution would be blending algae fuels with existing jet fuel: [18] • Boeing and Air New Zealand are collaborating with leading Brazilian biofuels maker Tecbio and Aquaflow Bionomic of New Zealand and other jet biofuel developers around the world. • Virgin Atlantic and Virgin Green Fund are looking into the technology as part of a biofuels initiative. [19]

• Groundcrew, responsible for operations at airports. Ground crew members include: • Aerospace and avionics engineers responsible for certifying the aircraft for flight and management of aircraft maintenance • Aerospace engineers, responsible for airframe, powerplant and electrical systems maintenance • Avionics engineers responsible for avionics and instruments maintenance • Airframe and powerplant technicians • Electric System technicians, responsible for maintenance of electrical systems • Avionics technicians, responsible for maintenance of avionics • Flight dispatchers • Baggage handlers • Ramp Agents • Gate agents • Ticket agents • Passenger service agents (such as airline lounge employees) • Reservation agents, usually (but not always) at facilities outside the airport. Airlines follow a corporate structure where each broad area of operations (such as maintenance, flight operations(including flight safety), and passenger service) is supervised by a vice president. Larger airlines often appoint vice presidents to oversee each of the airline’s hubs as well. Airlines employ lawyers to deal with regulatory procedures and other administrative tasks.

Call signs
Each operator of a scheduled or charter flight uses an airline call sign when communicating with airports or air traffic control centers. Most of these call-signs are derived from the airline’s trade name, but for reasons of history, marketing, or the need to reduce ambiguity in spoken English (so that pilots do not mistakenly make navigational decisions based on instructions issued to a different aircraft), some airlines and air forces use call-signs less obviously connected with their trading name. For example, British Airways uses a Speedbird call-sign, named after the logo of its predecessor, BOAC, while America West used Cactus reflecting that company’s home in the state of Arizona and to differentiate itself from numerous other airlines using America and West in their call signs.

Industry trends

Airline personnel
The various types of airline personnel include: Flight operations personnel including flight safety personnel. • Flight crews, responsible for the operation of the aircraft. Flight crew members include: • Pilots (Captain and First Officer: some older aircraft also required a Flight Engineer and or a Navigator) • Flight attendants, (led by a purser on larger aircraft) • in-flight security personnel on some airlines (most notably El Al)

Air India Building (leftmost) in Mumbai, India The pattern of ownership has gone from government owned or supported to independent, for-profit public companies. This occurs as


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regulators permit greater freedom and nongovernment ownership, in steps that are usually decades apart. This pattern is not seen for all airlines in all regions. The overall trend of demand has been consistently increasing. In the 1950s and 1960s, annual growth rates of 15% or more were common. Annual growth of 5-6% persisted through the 1980s and 1990s. Growth rates are not consistent in all regions, but countries with a de-regulated airline industry have more competition and greater pricing freedom. This results in lower fares and sometimes dramatic spurts in traffic growth. The U.S., Australia, Canada, Japan, Brazil, Mexico,India and other markets exhibit this trend. The industry has been observed to be cyclical in its financial performance. Four or five years of poor earnings precede five or six years of improvement. But profitability even in the good years is generally low, in the range of 2-3% net profit after interest and tax. In times of profit, airlines lease new generations of airplanes and upgrade services in response to higher demand. Since 1980, the industry has not earned back the cost of capital during the best of times. Conversely, in bad times losses can be dramatically worse. Warren Buffett once said that despite all the money that has been invested in all airlines, the net profit is less than zero. He believes it is one of the hardest businesses to manage. As in many mature industries, consolidation is a trend. Airline groupings may consist of limited bilateral partnerships, long-term, multi-faceted alliances between carriers, equity arrangements, mergers, or takeovers. Since governments often restrict ownership and merger between companies in different countries, most consolidation takes place within a country. In the U.S., over 200 airlines have merged, been taken over, or gone out of business since deregulation in 1978. Many international airline managers are lobbying their governments to permit greater consolidation to achieve higher economy and efficiency. • • • • • • • • • • •

Cargo airline Charter airline Federal Aviation Administration Flight planning FlightAware Government contract flight IATA – industry standards organization Low-cost carrier Red-eye flight Regional airline Transportation Security Administration

Airline related lists
• Airline codes • Airline liveries and logos • List of accidents and incidents on commercial airliners • List of airline mergers and acquisitions • List of defunct airlines • List of hub airports • List of largest airlines • List of low-cost airlines • List of national airlines • Timeline of airline bankruptcies • Special Service Request (SSR) Codes

External links
• Chasing the Sun - History of commercial aviation, from PBS • Global Aviation Markets Whitepaper on global markets for airlines

[1] [2] [3] [4] Scheduled Freight Tonne - Kilometres Scheduled Passengers Carried The DC-3 Genesis of The Legend Commercial_Aviation/atlantic_route/ Tran4.htm Commercial_Aviation/Bankruptcy/ Tran9.htm mediacentre/pacontent/news/ NE_1608.jsp Wings of Desire, Guardian, Thursday February 23, 2006 Airlines and the canine features of unprofitable industries Financial Times, September 27, 2005 world/europe/airlines-told-to-end-pricediscrimination-731439.html



See also
• • • • • • Air ferry Air safety Airline timetable Airport security Beyond rights

[7] [8]



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[10] business/industry_sectors/transport/ article5037731.ece [11] International Civil Aviation Organization, Air Transport Bureau (ATB) (undated). "Aircraft Engine Emissions". Retrieved on 2008-03-19. [12] (undated). "What is the impact of flying?". Impactofflying.aspx. Retrieved on 2008-03-19. [13] Travis, David J. (2002). "Contrails reduce daily temperature range" (PDF). Nature 418: 601. doi:10.1038/418601a. jetcontrailsrecentresearch.pdf. [14] EU press release (2006-12-20). Climate change: Commission proposes bringing air transport into EU Emissions Trading Scheme. Press release. rapid/ 06/1862. Retrieved on 2008-01-02. [15] "carbon-footprint-calculator".

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