Airports of the World By Region and Country

Air travel is a form of travel in vehicles such as airplanes, helicopters, hot air balloons, blimps, gliders, hang gliding, parachuting or anything else that can sustain flight.

Domestic and international flights

Air travel can be separated into two general classifications: national/domestic and international flights. Flights from one point to another within the same country are called domestic flights. Flights from a point in one country to a point within a different country are known as international flights.

Air travel

A hot air balloon in flight

Travel class on an airplane is usually split into a two, three or four class model. US Domestic flights usually have two classes: Economy Class and a Domestic First Class partitioned into cabins. International flights may have up to four classes: Economy Class, Premium Economy, Business Class or Club Classand First Class.

Most air travel starts and ends at a commercial airport. The typical procedure ischeck-in, border control, airport security baggage and passenger check before entering the gate, boarding, flying and pick-up of luggage and - limited to international flights - another border control at the host country's border.

Air safety

Air safety is a term encompassing the theory, investigation and categorization of flight failures, and the prevention of such failures through regulation, education and training. It can also be applied in the context of campaigns that inform the public as to the safety of air travel.

Institutions

[edit]United States

During the 1920s, the first laws were passed in the USA to regulate civil aviation. Of particular significance was the Air Commerce Act 1926, which required pilots and aircraft to be examined and licensed, for accidents to be properly investigated, and for the establishment of safety rules and navigation aids, under the Aeronautics Branch of the Department of Commerce.

Despite this, in 1926 and 1927 there were a total of 24 fatal commercial airline crashes, a further 16 in 1928, and 51 in 1929 (killing 61 people), which remains the worst year on record at an accident rate of about 1 for every 1,000,000 miles (1,600,000 km) flown. Based on the current numbers flying, this would equate to 7,000 fatal incidents per year.

The fatal incident rate has declined steadily ever since, and, since 1997 the number of fatal air accidents has been no more than 1 for every 2,000,000,000 person-miles flown (e.g., 100 people flying a plane for 1,000 miles (1,600 km) counts as 100,000 person-miles, making it comparable with methods of transportation with different numbers of passengers, such as one person driving a car for 100,000 miles (160,000 km), which is also 100,000 person-miles), making it one of the safest modes of transportation, if measured by distance traveled.

A disproportionate number of all U.S. aircraft crashes occur in Alaska, largely as a result of severe weather conditions. Between 1990-2006 there were 1441 commuter and air taxi crashes in the U.S. of which 373 (26%) were fatal, resulting in 1063 deaths (142 occupational pilot deaths). Alaska accounted for 513 (36%) of the total U.S. crashes.^[1]

Another aspect of safety is protection from attack currently known as Security (as the ISO definition of safety encompasses non-intentional (safety_safety) and intentional (safety_security) causes of harm or property damage). The terrorist attacks of 2001 are not counted as accidents. However, even if they were counted as accidents they would have added only about 2 deaths per 2,000,000,000 person-miles. Only 2 months later, American Airlines Flight 587 crashed in Queens, NY, killing 256 people, including 5 on the ground, causing 2001 to show a very high fatality rate. Even so, the rate that year including the attacks (estimated here to be about 4 deaths per 1,000,000,000 person-miles), is safe compared to some other forms of transport, if measured by distance traveled.

Safety improvements have resulted from improved aircraft design, engineering and maintenance, the evolution of navigation aids, and safety protocols and procedures.

It is often reported that air travel is the safest in terms of deaths per passenger mile. The National Transportation Safety Board(2006) reports 1.3 deaths per hundred million vehicle miles for travel by car, and 1.7 deaths per hundred million vehicle miles for travel by air. These are not passenger miles. If an airplane has 100 passengers, then the passenger miles are 100 times higher. The number of deaths per passenger mile on commercial airlines in the United States between 1995 and 2000 is about 3 deaths per 10 billion passenger miles.^[2]

[edit]Navigation aids and instrument flight

One of the first navigation aids to be introduced (in the USA in the late 1920s) was airfield lighting to assist pilots to make landings in poor weather or after dark. The Precision Approach Path Indicator was developed from this in the 1930s, indicating to the pilot the angle of descent to the airfield. This later became adopted internationally through the standards of the International Civil Aviation Organization (ICAO).

In 1929 Jimmy Doolittle developed instrument flight.

With the spread of radio technology, several experimental radio based navigation aids were developed from the late 1920s onwards. These were most successfully used in conjunction with instruments in the cockpit in the form of Instrument landing systems (ILS), first used by a scheduled flight to make a landing in a snowstorm at Pittsburgh in 1938. A form of ILS was adopted by the ICAO for international use in 1949.

Following the development of radar in World War II, it was deployed as a landing aid for civil aviation in the form of Ground-controlled approach (GCA) systems, joined in 1948 by distance measuring equipment (DME), and in the 1950s by airport surveillance radar as an aid to air traffic control. VHF omnidirectional range (VOR) stations became the predominate means of route navigation during the 1960s, superseding the low frequency radio ranges and the Non-directional beacon (NDB). The ground based VOR stations were often co-located with DME transmitters and then labeled as VOR-DME stations on navigation charts. VORTAC stations, which combined VOR and TACAN features (military TACtical Air Navigation) — the latter including both a DME distance feature and a separate TACAN azimuth feature, which provides military pilots data similar to the civilian VOR, were also used in that new system. With the proper receiving equipment in the aircraft, pilots could know their radials in degrees to/from the VOR station, as well as the slant range distance to/from, if the station was co-located with DME or TACAN.^[3]

All of the ground-based navigation aids are being supplemented by satellite-based aids like Global Positioning System (GPS), which make it possible for aircrews to know their position with great precision anywhere in the world. With the arrival of Wide Area Augmentation System (WAAS), GPS navigation has become accurate enough for vertical (altitude) as well as horizontal use, and is being used increasingly for instrument approaches as well as en-route navigation. However, since the GPS constellation is a single point of failure that can be switched off by the U.S. military in time of crisis, onboard Inertial Navigation System (INS) or ground-based navigation aids are still required for backup.

[edit]Air safety hazards

[edit]Foreign object debris

Main article: Foreign object debris

Foreign object debris (FOD) includes items left in the aircraft structure during manufacture/repairs, debris on the runway and solids encountered in flight (e.g. hail and dust). Such items can damage engines and other parts of the aircraft. Air France Flight 4590 crashed after hitting a part that had fallen from another aircraft.

[edit]Misleading information and lack of information

Herzliya Airport (Israel) Runway location and airfield traffic pattern chart (left) was erroneously printed as a result of "black layer" 180° misplacement. The corrected chart is on the right.

A pilot might fly the plane in an accident-prone manner when misinformed by a printed document (manual, map etc.), by reacting to a faulty instrument or indicator (either in cockpit or on ground)^[4]^[5] or by following inaccurate instructions or information from flight or ground control.^[6]^[7]^[8] Lack of information by the control tower, or delayed instructions, are major factors contributing to accidents.^[9]

[edit]Lightning

Boeing studies have shown that airliners are struck bylightning on average of twice per year. While the "flash and bang" is startling to the passengers and crew, aircraft are able to withstand normal lightning strikes.

The dangers of more powerful positive lightning were not understood until the destruction of a glider in 1999.^[10] It has since been suggested that positive lightning may have caused the crash of Pan Am Flight 214 in 1963. At that time aircraft were not designed to withstand such strikes, since their existence was unknown at the time standards were set. The 1985 standard in force at the time of the glider crash, Advisory Circular AC 20-53A,^[10] was replaced by Advisory Circular AC 20-53B in 2006,^[11] however it is unclear whether adequate protection against positive lightning was incorporated.^[12]^[13]

The effects of normal lightning on traditional metal-covered aircraft are well understood and serious damage from a lightning strike on an airplane is rare. However, as more and more aircraft, like the upcoming Boeing 787, whose whole exterior is made of non-conducting composite materials take to the skies, additional design effort and testing must be made before certification authorities will permit these aircraft in commercial service.

[edit]Ice and snow

Ice and snow can be factors in airline accidents. In 2005, Southwest Airlines Flight 1248 slid off the end of a runway after landing in heavy snow conditions, killing one child.

Even a small amount of icing or coarse frost can greatly impair the ability of a wing to develop adequate lift, which is why regulations prohibit ice, snow or even frost on the wings or tail, prior to takeoff.^[14] Air Florida Flight 90 crashed on takeoff in 1982, as a result of ice/snow on its wings.

An accumulation of ice during flight can be catastrophic, as evidenced by the loss of control and subsequent crashes ofAmerican Eagle Flight 4184 in 1994, and Comair Flight 3272 in 1997. Both aircraft were turboprop airliners, with straight wings, which tend to be more susceptible to inflight ice accumulation, than are swept-wing jet airliners.^[15]

Airlines and airports ensure that aircraft are properly de-iced before takeoff whenever the weather involves icing conditions. Modern airliners are designed to prevent ice buildup on wings, engines, and tails (empennage) by either routing heated air from jet engines through the leading edges of the wing, and inlets^{[citation needed]}, or on slower aircraft, by use of inflatable rubber "boots" that expand to break off any accumulated ice.

Airline flight plans require airline dispatch offices to monitor the progress of weather along the routes of their flights, helping thepilots to avoid the worst of inflight icing conditions. Aircraft can also be equipped with an ice detector in order to warn pilots to leave unexpected ice accumulation areas, before the situation becomes critical.^{[citation needed]}

[edit]Engine failure

Further information: Turbine engine failure and ETOPS

An engine may fail to function because of fuel starvation (e.g. British Airways Flight 38), fuel exhaustion (e.g. Gimli Glider),foreign object damage (e.g. US Airways Flight 1549), mechanical failure due to metal fatigue (e.g. Kegworth air disaster, El Al Flight 1862, China Airlines Flight 358), mechanical failure due to improper maintenance (e.g. American Airlines Flight 191), mechanical failure caused by an original manufacturing defect in the engine (e.g. Qantas Flight 32, United Airlines Flight 232,Delta Air Lines Flight 1288), and pilot error (e.g. Pinnacle Airlines Flight 3701).

In a multi-engine aircraft, failure of a single engine usually results in a precautionary landing being performed, for example landing at a diversion airport instead of continuing to the intended destination. Failure of a second engine (e.g. Dominicana DC-9 air disaster) or damage to other aircraft systems caused by an uncontained engine failure (e.g. United Airlines Flight 232) may, if anemergency landing is not possible, result in the aircraft crashing.

[edit]Structural failure of the aircraft

Examples of failure of aircraft structures caused by metal fatigue include the De Havilland Comet accidents (1950s) and Aloha Airlines Flight 243 (1988). Now that the subject is better understood, rigorous inspection and nondestructive testing procedures are in place.

Composite materials consist of layers of fibers embedded in a resin matrix. In some cases, especially when subjected to cyclic stress, the layers of the material separate from each other (delaminate) and lose strength. As the failure develops inside the material, nothing is shown on the surface; instrument methods (often ultrasound-based) have to be used to detect such a material failure. In the 1940s several Yakovlev Yak-9s experienced delamination of plywood in their construction.

[edit]Stalling

Stalling an aircraft (increasing the angle of attack to a point at which the wings fail to produce enough lift), is dangerous and can result in a crash if the pilot fails to quickly react in the proper manner. The only way to recover with a minimum loss of altitude, is to lower the nose (reduces the angle of attack of the wings, so that the boundary layer re-attaches to the wing), while commanding maximum power from the engines. If the pilot delays initiating that kind of response, a crash is inevitable if the plane is not high enough above all terrain, when the stall occurs.

Devices have been developed to warn the pilot when the plane's speed is coming close to the stall speed. These include stall warning horns (now standard on virtually all powered aircraft), stick shakers and voice warnings. Most stalls are a result of the pilot allowing the plane to go too slow for the particular weight and configuration at the time. The stall speed is higher on virtually all aircraft, if ice or even frost has attached to the wings and/or horizontal tail stabilizer. The more severe the icing, the higher will be the stall speed, not only because smooth airflow over the wings becomes increasingly more difficult, but also because of the added weight of the accumulated ice.

"High speed stalls" are also possible, if a pilot tries to pull out of a dive so quickly that he increases the angle of attack to the point of boundary layer separation of the airflow over the wings. Again, the only solution is to lower the nose somewhat, even though the plane is already diving at high speed, and then to resume the pull-out with a less severe angle of attack.

Crashes, caused by a full stall of the airfoils include:

British European Airways Flight 548 (1972)
United Airlines Flight 553 (1972)
Aeroflot Flight 7425 (1985)
Arrow Air Flight 1285 (1985)
Northwest Airlines Flight 255 (1987)
The Paul Wellstone crash (2002)
Turkish Airlines Flight 1951 crash (2009)
Colgan Air Flight 3407 (2009)
Possibly Air France Flight 447 (2009) (The official cause is still "Under investigation").

[edit]Fire

NASA air safety experiment (CID project)

Safety regulations control aircraft materials and the requirements for automated fire safety systems. Usually these requirements take the form of required tests. The tests measure flammability and the toxicity of smoke. When the tests fail, they fail on a prototype in an engineering laboratory, rather than in an aircraft.

Fire on board the aircraft, and more especially the toxic smoke generated, have been the cause of accidents. An electrical fire on Air Canada Flight 797 in 1983 caused the deaths of 23 of the 46 passengers, resulting in the introduction of floor level lighting to assist people to evacuate a smoke-filled aircraft. Two years later a fire on the runway caused the loss of 55 lives, 48 from the effects of incapacitating and subsequently lethal toxic gas and smoke, in the 1985 British Airtours Flight 28M. That accident raised serious concerns relating to survivability, something that prior to 1985 had not been studied in such detail. The swift incursion of the fire into the fuselage and the layout of the aircraft impaired passengers' ability to evacuate, with areas such as the forward galley area becoming a bottle-neck for escaping passengers, with some dying very close to the exits. A large amount of research into evacuation and cabin and seating layouts was carried at Cranfield Institute to try to measure what makes a good evacuation route, which led to the seat layout by Overwing exits being changed by mandate and the examination of evacuation requirements relating to the design of galley areas. The use of smoke hoods or misting systems were also examined although both were rejected.

South African Airways Flight 295 was lost in the Indian Ocean in 1987 after an in-flight fire in the cargo hold could not be suppressed by the crew. The cargo holds of most airliners are now equipped with automated halon fire extinguishing systems to combat a fire that might occur in the baggage holds. In May 1996 ValuJet Airlines Flight 592 crashed into the Florida Evergladesa few minutes after takeoff after a fire broke out in the forward cargo hold. All 110 aboard were killed.

At one time fire fighting foam paths were laid down before an emergency landing, but the practice was considered only marginally effective, and concerns about the depletion of fire fighting capability due to pre-foaming led the United States FAA to withdraw its recommendation in 1987.

One possible cause of fires in airplanes are wiring problems that involve intermittent faults, such as wires with breached insulation touching each other, having water dripping on them, or short circuits. These are difficult to detect once the plane is on the ground. However, there are methods, such as spread-spectrum time-domain reflectometry, that can feasibly test live wires on aircraft during flight.^[16]

[edit]Bird strike

Main article: Bird strike

Bird strike is an aviation term for a collision between a bird and an aircraft. Fatal accidents have been caused by both engine failure following bird ingestion and bird strikes breaking cockpit windshields.

Modern jet engines have the capability of surviving an ingestion of a bird. Small fast planes, such as military jet fighters, are at higher risk than heavy multi-engine ones. This is due to the fact that the fan of a high-bypass turbofan engine, typical on transport aircraft, acts as a centrifugal separator to force ingested materials (birds, ice, etc.) to the outside of the fan's disc. As a result, such materials go through the relatively unobstructed bypass duct, rather than through the core of the engine, which contains the smaller and more delicate compressor blades. Military aircraft designed for high-speed flight typically have pure turbojet, or low-bypass turbofan engines, increasing the risk that ingested materials will get into the core of the engine to cause damage.

The highest risk of the bird strike is during the takeoff and landing, in low altitudes, which is in the vicinity of the airports. Some airports use active countermeasures, ranging from a person with a shotgun through recorded sounds of predators to employingfalconers. Poisonous grass can be planted that is not palatable to birds, nor to insects that attract insectivorous birds. Passive countermeasures involve sensible land-use management, avoiding conditions attracting flocks of birds to the area (e.g. landfills). Another tactic found effective is to let the grass at the airfield grow taller (approximately 12 inches (30 cm)) as some species of birds won't land if they cannot see one another.

[edit]Ground damage

Aircraft are occasionally damaged by ground equipment at the airport. In the act of servicing the aircraft between flights a great deal of ground equipment must operate in close proximity to the fuselage and wings. Occasionally the aircraft gets bumped or worse.

Damage may be in the form of simple scratches in the paint or small dents in the skin. However, because aircraft structures (including the outer skin) play such a critical role in the safe operation of a flight, all damage is inspected, measured and possibly tested to ensure that any damage is within safe tolerances.^{[citation needed]}

An example of this problem was the depressurization incident on Alaska Airlines Flight 536 in 2005. During ground services abaggage handler hit the side of the aircraft with a tug towing a train of baggage carts. This damaged the metal skin of the aircraft. This damage was not reported and the plane departed. Climbing through 26,000 feet (7,900 m) the damaged section of the skin gave way due to the growing difference in pressure between the inside of the aircraft and the outside air. The cabin depressurizedwith a bang necessitating a rapid descent back to denser (breathable) air and an emergency landing. Post landing examination of the fuselage revealed a 12 in (30 cm) hole on the right side of the airplane.^[17]

[edit]Volcanic ash

Main article: Volcanic ash and aviation safety

Plumes of volcanic ash near active volcanoes can damage propellers, engines and cockpit windows.^[18] ^[19] In 1982, British Airways Flight 9 flew through an ash cloud and temporarily lost power from all four engines.

Prior to 2010 the general approach taken by airspace regulators was that if the ash concentration rose above zero, then the airspace was considered unsafe and was consequently closed.^[20] Volcanic Ash Advisory Centers enable liaison betweenmeteorologists, volcanologists, and the aviation industry.^[21]

[edit]Human factors

[edit]Controlled flight into terrain

Main article: Controlled flight into terrain

Controlled flight into terrain is a class of accident in which an aircraft is flown, under control, into terrain or man-made structures. CFIT accidents typically are a result of pilot error or of navigational system error. Failure to protect Instrument Landing Systemcritical areas can also cause CFIT accidents. One of the most notable CFIT accidents was in December 1995 in which American Airlines flight 965 tracked off course while approaching Calí, Colombia and hit a mountainside despite a ground proximity warning system terrain warning in the cockpit and desperate pilot attempt to gain altitude after that warning. Crew position awareness and monitoring of navigational systems are essential to the prevention of CFIT accidents. As of February, 2008, over 40,000 aircraft had the Enhanced version of the GPWS system installed, and they had flown over 800 million hours without a single CFIT accident.^[24]

Another anti-CFIT tool is the Minimum Safe Altitude Warning (MSAW) system available near many airports. It monitors the altitudes transmitted by aircraft transponders and compares that with the system's defined minimum safe altitudes for a given area. When the system determines the aircraft is lower, or will soon be lower, than the minimum safe altitude (MSA), the air traffic controller receives an acoustic and visual warning and then alerts the pilot that his aircraft is too low.^[25]

[edit]Electromagnetic interference

The use of certain electronic equipment is partially or entirely prohibited as it may interfere with aircraft operation, such as causing compass deviations. Use of personal electronic devices and calculators may be prohibited when an aircraft is below 10,000', taking off, or landing. The American Federal Communications Commission (FCC) prohibits the use of a cell phone on most flights, because in-flight usage creates problems with ground-based cells.^{[citation needed]} There is also concern about possible interference with aircraft navigation systems, and has yet to be proven a non-serious risk on airliners. A few flights now allow use of cell phones, where the aircraft have been specially wired and certified to meet both FAA and FCC regulations.

[edit]Runway safety

Main article: Runway safety

Types of runway safety incidents include:

Runway excursion - an incident involving only a single aircraft, where it makes an inappropriate exit from the runway.
Runway overrun - a type of excursion where the aircraft is unable to stop before the end of the runway (e.g. Air France Flight 358).
Runway incursion - an incident involving incorrect presence of a vehicle, person or another aircraft on the runway (e.g. Tenerife disaster).
Runway confusion - an aircraft uses the wrong runway for landing or take-off (e.g. Comair Flight 191).

[edit]Criminal acts and military action

[edit]Terrorism

Aircrew are normally trained to handle hijack situations.^{[citation needed]} Since the September 11, 2001 attacks, stricter airport andairline security measures are in place to prevent terrorism.

[edit]Deliberate aircrew action

Although most air crews are screened for psychological fitness, some may take suicidal actions. In the case of EgyptAir Flight 990, it appears that the first officer deliberately dived his aircraft into the Atlantic Ocean while the captain was away from his station, in 1999 off Nantucket, Massachusetts. Motivations are unclear, but recorded inputs from the black boxes showed no mechanical problem, no other aircraft in the area, and was corroborated by the cockpit voice recorder.

In 1982, Japan Airlines Flight 350 crashed while on approach to the Tokyo Haneda Airport, killing 24 of the 174 onboard. The official investigation found the mentally ill captain had attempted suicide by placing the inboard engines into reverse thrust, while the plane was close to the runway. The first officer did not have enough time to countermand his actions, before the plane stalled and crashed.

In 1997, SilkAir Flight 185 suddenly went into a high dive from its cruising altitude. The speed of the dive was so high that the plane began to break apart before it finally crashed near Palembang, Sumatra. After three years of investigation, the Indonesian authorities declared that the cause of the accident can not be determined. However, the US NTSB concluded that deliberate suicide by the Captain, was the only reasonable explanation for the cause of that crash.

[edit]Attack by a hostile country

Main article: List of airliner shootdown incidents

Aircraft, whether passenger planes or military aircraft, are sometimes attacked in both peacetime and war. Examples of this include:

In 1973 Israeli F-4 Phantom IIs shot down Libyan Arab Airlines Flight 114.
In 1983 the Soviet Air Defence Forces shot down Korean Air Lines Flight 007.
In 1988 the United States Navy shot down Iran Air Flight 655.
In 2001 the Ukrainian Air Force shot down Siberia Airlines Flight 1812.

[edit]Accident survivability

Further information: Pre-flight safety demonstration, Aircraft safety card, Brace position, Aircraft rescue and firefighting, and Airport crash tender

[edit]Airport design

Airport design and location can have a big impact on air safety, especially since some airports such as Chicago Midway International Airport were originally built for propeller planes and many airports are in congested areas where it is difficult to meet newer safety standards. For instance, the FAA issued rules in 1999 calling for a runway safety area, usually extending 500 feet (150 m) to each side and 1,000 feet (300 m) beyond the end of a runway. This is intended to cover ninety percent of the cases of an aircraft leaving the runway by providing a buffer space free of obstacles. Since this is a recent rule, many airports do not meet it. One method of substituting for the 1,000 feet (300 m) at the end of a runway for airports in congested areas is to install anEngineered materials arrestor system, or EMAS. These systems are usually made of a lightweight, crushable concrete that absorbs the energy of the aircraft to bring it to a rapid stop. They have stopped three aircraft (as of 2005) at JFK Airport.

[edit]Emergency airplane evacuations

All the passengers and crew of Air France Flight 358survived.

According to a 2000 report by the National Transportation Safety Board, emergency aircraft evacuations happen about once every 11 days in the U.S. While some situations are extremely dire, such as when the plane is on fire, in many cases the greatest challenge for passengers can be the use of the airplane slide. In a TIME article on the subject, Amanda Ripley reported that when a new supersized Airbus A380 underwent mandatory evacuation tests in 2006, 33 of the 873 evacuating volunteers got hurt. While the evacuation was generally considered a success, one volunteer suffered a broken leg, while the remaining 32 received slide burns. Such accidents are common. In her article, Ripley provides tips on how to make it down the airplane slide without injury.^[26]

[edit]Accidents and incidents

List of airship accidents
Lists of aviation accidents and incidents
Aviation accidents and incidents
Flight recorder, includes flight data recorder and cockpit voice recorder

[edit]Statistics

There are three main statistics which may be used to compare the safety of various forms of travel:^{[better source needed]}^[27]

Deaths per billion passenger-journeys	Deaths per billion passenger-hours	Deaths per billion passenger-kilometres
Bus: 4.3	Bus: 11.1	Air: 0.05
Rail: 20	Rail: 30	Bus: 0.4
Van: 20	Air: 30.8	Rail: 0.6
Car: 40	Water: 50	Van: 1.2
Foot: 40	Van: 60	Water: 2.6
Water: 90	Car: 130	Car: 3.1
Air: 117	Foot: 220	Bicycle: 44.6
Bicycle: 170	Bicycle: 550	Foot: 54.2
Motorcycle: 1640	Motorcycle: 4840	Motorcycle: 108.9

It is necessary to mention that first two statistics are computed for typical travels for respective forms of transport, so they cannot be used directly to compare risks related to different forms of transport in a particular travel "from A to B". For example: according to statistics, a typical flight from Los Angeles to New York will carry a larger risk factor than a typical car travel from home to office. But a car travel from Los Angeles to New York would not be typical. It would be as large as several dozens of typical car travels, and associated risk will be larger as well. Because the journey would take a much longer time, the overall risk associated by making this journey by car will be higher than making the same journey by air, even if each individual hour of car travel can be less risky than an hour of flight. In the same vein, when considering the "deaths per billion passenger journeys" statistic, it is important to consider that airliners, buses and trains will carry far more passengers than a car, or bicycle for example.

It is therefore important to use each statistic in a proper context. When it comes to a question about risks associated with a particular long-range travel from one city to another, the most suitable statistic is the third one, thus giving a reason to name air travel as the safest form of long-range transportation.

It is worth noting that the air industry's insurers base their calculations on the number of deaths per passenger-journey statistic while the industry itself generally uses the number of deaths per passenger-kilometre statistic in press releases.^[28]

[edit]Investigators

Australian Transport Safety Bureau
Flugunfalluntersuchungsstelle im BMVIT (Austria)
Transportation Safety Board of Canada
Air Accidents Investigation Institute (Czech Republic)
Danish Aircraft Accident Investigation Board
Bureau d'Enquêtes et d'Analyses pour la sécurité de l'Aviation Civile (France)
Bundesstelle für Flugunfalluntersuchung (Germany)
Air Accident Investigation Unit (Ireland)
Aircraft and Railway Accidents Investigation Commission (Japan)
Civil Aviation Authority of New Zealand
Transport Accident Investigation Commission (New Zealand)
Comisión de Investigación de Accidentes e Incidentes de Aviación Civil (Spain)
Swedish Accident Investigation Board
Aircraft Accident Investigation Bureau (Switzerland)
Air Accidents Investigation Branch (UK)
National Transportation Safety Board (USA)
European Co-ordination Center for Aircraft Incident Reporting Systems (ECCAIRS)
International Civil Aviation Organisation

[edit]Safety Improvement Initiatives

The Safety Improvement Initiatives are aviation safety partnerships between regulators, manufacturers, operators and professional unions, research organisations, international organisations to further enhance safety. The major Safety initiatives worldwide are:

Commercial Aviation Safety Team (CAST) in the US. The Commercial Aviation Safety Team (CAST) was founded in 1998 with a goal to reduce the commercial aviation fatality rate in the United States by 80 percent by 2007.
European Strategic Safety Initiative (ESSI) . The European Strategic Safety Initiative (ESSI) is an aviation safety partnership between EASA, other regulators and the industry. The initiative objective is to further enhance safety for citizens in Europe and worldwide through safety analysis, implementation of cost effective action plans, and coordination with other safety initiatives worldwide.

[edit]Regulation

[edit]See also

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