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The Airline Safety Revolution

04/16/2021 | 09:20am EDT

By Andy Pasztor

Over the past 12 years, U.S. airlines have accomplished an astonishing feat: carrying more than eight billion passengers without a fatal crash.

Such numbers were once unimaginable, even among the most optimistic safety experts. But now, pilots for domestic carriers can expect to go through an entire career without experiencing a single engine malfunction or failure. Official statistics show that in recent years, the riskiest part of any airline trip in the U.S. is when aircraft wheels are on the ground, on runways or taxiways.

The achievements stem from a sweeping safety reassessment -- a virtual revolution in thinking -- sparked by a small band of senior federal regulators, top industry executives and pilots-union leaders after a series of high-profile fatal crashes in the mid-1990s. To combat common industry hazards, they teamed up to launch voluntary incident reporting programs with carriers sharing data and no punishment for airlines or aviators when mistakes were uncovered.

The pioneers bucked deep-seated doubts from some insiders and outright opposition from pilots' groups worried about disciplinary blowback. By the end of the 1990s, the Federal Aviation Administration, plane maker Boeing Co., labor representatives and the largest U.S. airline trade association all endorsed the unified, data-driven safety agenda. Together, they devised steps to make it happen.

Their approach was simple in its fundamentals but wickedly difficult to implement at the start, requiring unprecedented levels of trust among the participants. During the early stages, representatives of pilots and carriers grudgingly agreed to share information with each other, as well as with the government, regarding budding hazards and near-crashes. Tentative cooperation was dependent on FAA pledges that good-faith mistakes and procedural violations wouldn't result in enforcement actions.

The results have been remarkable. In 1996, before the safety reboot began, U.S. carriers had a fatal accident rate of roughly one crash for every two million departures. That year alone, more than 350 people died in domestic airline accidents, including 230 in the infamous fuel-tank explosion on TWA Flight 800 that sucked scores of passengers out of the fractured fuselage. Within 10 years, the fatal accident rate had been reduced by more than 80%, beating a goal set by a White House commission.

Today's travelers are benefiting from another decade-plus of improved safety for U.S. carriers, and the fatality rate has been driven down to one for every 120 million departures. (The single passenger death in the past dozen years was from an engine fan blade coming apart during a 2018 flight.) Yet neither the scope nor the significance of the underlying changes, expanded year after year with little fanfare, is generally recognized by the flying public.

"The magnitude of the improvement has far exceeded my expectations," said Randy Babbitt, head of the FAA from 2009 to 2011, who previously championed many of the early advances as president of North America's largest pilots union. The payoff turned out to be so dramatic overall, he added, "It's almost like buying a lottery ticket for 10 bucks and winning the jackpot."

Leaps in technology played a role, dramatically enhancing jet engine reliability over many years. Electrical and other aircraft systems became more durable and trouble-free due to upgraded designs and components. Improvements in cockpit automation provided stronger safeguards against crew errors, while increasingly sophisticated ground-based simulators made aviator training more rigorous and realistic.

But other factors produced the greatest progress. Overseas, where new-generation aircraft proliferated but voluntary reporting wasn't embraced, safety numbers have improved but to nowhere near the degree among American carriers. The astonishing safety record in the U.S. stems most of all from a sustained commitment to what was at first a controversial idea. Together, government and industry experts extracted safety lessons by analyzing huge volumes of flight data and combing through tens of thousands of detailed reports filed annually by pilots and, eventually, mechanics and air-traffic controllers. Responses led to voluntary industry improvements, rather than mandatory government regulations.

Recently, Boeing's 737 MAX jet debacle has partly overshadowed the results of this safety revolution. Two MAX crashes less than five months apart in 2018 and 2019 created a crisis for the Chicago-based plane maker and rekindled public fears about commercial aviation. But those accidents involved overseas carriers and primarily foreign victims, leaving the safety record of domestic airlines intact.

The safety shift in the U.S. began after a series of airborne tragedies leading up to the peak in 1996. Accidents in 1994 involving widely used Boeing and McDonnell Douglas jets operated by USAir, as well as two smaller turboprop aircraft, took 252 lives altogether. Then in December 1995, an American Airlines jet slammed into a mountain while approaching Cali, Colombia, killing 151 people. A Valujet aircraft caught fire and plummeted into the Florida Everglades five months later, with 110 deaths. Two more fatalities stemmed from an engine failure on a Delta Air Lines MD-88 taking off from Pensacola, Fla.

Regulators and industry players recognized that changes were essential. "We were seeing the same mistakes made over and over, but nobody talked about them" until it was too late, according to Mr. Babbitt, who was then president of North America's largest pilots union.

High-level safety officials from Boeing, union chiefs at the Air Line Pilots Association and leaders of the U.S. industry's main trade group sketched out a startling trend. If accident rates remained the same while global passenger traffic continued growing at projected rates, on average there would be at least one major jet crash a week by 2015, producing hundreds of fatalities somewhere around the globe.

So the principals set about developing new tactics to counter incipient dangers long before they turned into headline-grabbing tragedies. Ultimately, mechanics and air-traffic controllers embraced similar self-reporting programs. "It was an incredible breakthrough," according to Ray Valeika, former head of engineering and maintenance at Delta. "We actually patted people on the back" for divulging mistakes. "But if management found it and you didn't tell us," he added, "then you could lose your job."

Early successes revealed common pilot errors, such as veering from assigned altitudes due to distractions or failing to properly position wing flaps and other flight-control surfaces for takeoffs. Some solutions were as simple as having the flight crew physically point to cockpit computers -- which control altitude changes, for instance -- while both pilots double-checked out loud that the correct information had been entered.

Voluntary revisions to internal airline rules proved faster and less obtrusive than changes imposed by regulators. The new strategies coincided with recommendations of the blue-ribbon White House commission, led by then-Vice President Al Gore. The commission's 1997 report supported the concept of voluntary data sharing, endorsing industry-government partnerships to better coordinate information by "seeking to replace confrontation with cooperation."

Airlines later developed more complex solutions to prevent dangerous piloting errors in which planes approached runways too fast, descended too rapidly or landed too far down runways to brake safely. Strict self-imposed rules by carriers required crews to abandon approaches under such conditions, leaving enough time to safely climb away from the field.

The promise of the approach was best summed up by Nick Sabatini, the FAA's top safety official from 2001 to 2009, who would reassure audiences at safety conferences: "The data will set you free." He urged greater reliance on information gleaned from routinely downloading and examining incident details from flight-data recorders. As the efforts gained momentum, airlines could compare themselves with competitors or the entire industry.

Predictably, there were squabbles and threats to scale back or end voluntary reporting. Delta, for example, temporarily pulled out of voluntary arrangements, contending the FAA was reneging on promises to forego enforcement cases. Some high-ranking FAA officials who succeeded Mr. Sabatini angered pilots by complaining that voluntary, non-punitive reporting agreements sometimes amounted to a "get out of jail free" card for careless aviators.

Such programs take time to build, "but one false step can really bring them down in a day," Gabriel Acosta, head of global safety for the leading international airline trade group, told a conference last month.

Despite stumbles, collaborative arrangements survived and thrived. Delta rejoined the partnership after a couple of years, and participants got better at meeting the challenges of handling an avalanche of data. Over time, the efforts turned into ever more sophisticated data-collection and dissemination programs. The focus continued to be the pinpointing of accident precursors -- such as inappropriate pilot responses to engine problems, or loss of control caused by unusual maneuvers.

Part of the industry's motivation was self-preservation. A lone jumbo jet crash with mass fatalities, according to industry estimates, can amount to a financial hit of nearly $1 billion, including insurance payouts, additional legal liabilities, lost business and reputational damage.

(MORE TO FOLLOW) Dow Jones Newswires

04-16-21 1120ET

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