Your airplane ride may be the safest part of your day. Frequent fliers, you may have heard the legend of the pilot who bid passengers farewell after landing with these words: “The safest part of your trip is now over.” That isn’t just one pilot’s boast, it’s a truth most air travelers take for granted. Next time you climb into a taxi to make the trip from the airport to your final destination, consider this: What do you know about the cabbie in whose hands you have placed your life? How well has that car been maintained? Look out the window are all the signal lights working? Is the road in good shape? What about the other motorists? Where did they learn to drive? How conscientious have they been about getting enough sleep and avoiding alcohol?

Safety is an accumulation of knowledge about risk converted into practice. And no other mode of transportation has been as expansive as flying in incorporating what we know about the fallibility of humans and machines. As a result, the act of hurtling through the air at 500 mph six miles above the ground is less likely to result in your demise than almost any other type of travel. From the plane seats to the cabin air to the course and altitude of the flight. Every decision in commercial aviation comes after careful consideration of its impact on safety. Here, in broad strokes, are the most significant.

Airplane Design

In the past 50 years, the world’s commercial airliners have racked up nearly one billion flight hours. Providing an industry meticulous about recordkeeping with a steady stream of information that is used to constantly improve the design of airplanes and engines.

In the old days, you would design a wing to two times, what was considered the worst possible condition the airplane could encounter?. Today, manufacturers know what happens in the real world, which prompts refinements that may make a genuine difference in safety instead of only in design.

Cockpit Technology

Many contemporary jetliners have seen their traditional mechanical controls replaced by electronic ones. These planes, called fly-by-wire, include the Boeing 777 and the 787, as well as the Airbus A330, A340 and A380. As planes transition from machine to computer, We don’t need Chuck Yeager anymore. The modern pilot is a manager of information, and technology plays the muscular role on the flight deck.

Satellite global positioning, advanced displays and telecommunication have enabled a level of flight precision impossible in earlier eras of air travel. During the 1950s and 1960s, fatal accidents occurred about once every 200,000 flights. Today, the worldwide safety record is more than 10 times better, with fatal accidents occurring less than once in every two million flights. The devices in the cockpit considered to have had the most impact on those improved statistics are the ones that warn pilots of approaching terrain or potential conflicts with other airplanes. But you’ll find more than gadgets behind the improvements in piloting.

A Certain Kind of Pilot

Airlines know the importance of good pilots and good training, which is why so much effort goes into selection and schooling. A former captain with Lufthansa is in charge of Lufthansa’s Airline Training Center Arizona, where many of the German carrier’s five thousand pilots made their first flights. Starting out on single-engine Bonanzas, students learn how to manage multiple streams of information. How to follow established routines and how to work with others.

Looking for a personality that ensures good communication skills, that ensures leadership potential, the ability to work as part of a team and low risk-taking.

Pilots who can compartmentalize and remain focused are sought out by American and formerly by TWA (which American acquired in 2001). If the wife filed for divorce or the kid smoked pot or you had a bad score on the prostate test, the pilot can set that aside. It’s not that they don’t worry, but you can’t worry about that while making a takeoff on a 777. Not everybody can do that, but virtually all pilots can.

A Perfectly Appointed Cockpit

Selecting the right pilots is key, but so is assuring that their work environment enhances their performance even the biggest jetliners are flown from cockpits scarcely larger than the average-size car. The flight controls and displays are compact, multipurpose and tested to make sure they provide necessary information in an easy-to-see, easy-to-operate package, a pilot and human factors engineer who worked with Boeing on the 787 Dreamliner displays. There’s a reason for the size, shape, placement and appearance of every control, light, switch and feature. A plane flies round-the-clock, so the instruments must be visible in all light conditions. Pilots need to know that if they’ve made an input, the system has received it. They need to get feedback if they make an error. Flight-deck engineers check their work by watching pilots in simulators and measuring to see that the controls are in reach, the displays in sight and the seats comfortable for long periods of time.

Passenger Cabin

How about on your side of the cockpit door? Don’t laugh, but an equal amount of attention is paid to the area where you sit. Capacious or cramped, first-class or economy, all airplane seats meet tough standards for durability and head-impact protection. The modern airliner seat can withstand 16 times the force of gravity. That’s taking an airplane moving and suddenly putting it to a stop. The rate it is stopping is 16gs, a test engineer for MGA Engineering in Wisconsin. And seat protection doesn’t stop there. The fabrics and cushions are fire retardant and self-extinguishing, and they will not emit toxic smoke. Even the items you find in the seat back are tested to make sure they can’t become lethal. The insulation in the cabin walls is fire retardant, and, in the case of a fire, emergency lighting is close to the floor. This makes it easier to locate the exits in a smoke-filled cabin.

Most important to remember: Most commercial aviation accidents are not fatal. (Of the 301 accidents worldwide in the past 10 years, less than a quarter involved fatalities.) You read about planes that lose altitude. You hear about planes where the landing got botched and it slid off the runway into a pile of dirt. Very few people will die in those events.”

Air Traffic Control

The pilots and the airplanes may be the stars of the show in commercial aviation. But behind the scenes, a new, almost Star Wars–like air traffic system is being built where airplanes guided by GPS will fly self-programmed routes, communicating with each other and with the ground. This is very different from the days when maps, blackboards and pencil and paper calculations were used to direct airplanes. It takes a pretty sophisticated process to safely and efficiently manage a huge and still growing number of aircraft.

Many planes today can operate in a geographic window so exact that their horizontal position remains within a wingspan. With vertical deviation less than the height of the tail. The linking of onboard and on-the-ground systems creates highways in the sky where nobody veers out of their lanes.

Airport Control

More visibly, profound improvements in safety can be seen right on the airport property. Movement-detection monitors show every vehicle on every runway, taxiway and terminal gate, and controllers receive warnings of potential collisions. “It is safer now than it ever has been. It reduces risk, and that’s what it’s all about.”

Money on the Line

In 2008, commercial aviation’s global economic impact was estimated at $3.56 trillion. This reflects companies directly involved in commercial aviation and those working to apply the latest advances in science and engineering to help the industry achieve ever higher levels of safety. Clearly, a lot is riding on doing it right. So the next time the captain welcomes you aboard, you really can sit back, relax and enjoy your flight, knowing that the safest part of your trip has just begun.

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