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Show ber14, 1997 The Salt Lake Tribune NATION/WORLD Suni A& Aircraft FEAR OF FLYING: Some commen passenger worries Reliability popeeeealee Onthe Rise Q: Whatif a bird smashes throughthe windshield, killing the pilots? A: The windshield,the leading edges of wings and tail as well as the engines in new airplanes are designed to take bird strikes. Boeing tests them byfiring chicken carcasses from cannonsat them. Q: What ita deranged passenger were to open a door at 35,000 feet? @ Continued from A-t A: Engineerssay the handle worksonly on the ground. In flight the doornot only is securely locked but alsois held againstthe structural frame ofthe aircraft with tons of force. ager of airplane safety engineering for Boeing Commercial Airplane Group. Airbus Industrie of Europe and Seattle-based Boeing. which recently merged with McDonnell Douglas, dominate the manufac- ture of commercial passenger aircraft. Both base new designs on accumulated experience, includ- ing accidents. And even though ance = Here's what top Boeing engineers haveto say about some of passengers’ commonanxieties: Beemery Q: Whatif a window gives way A. The windowsare seated againstthe structural frame in muchthe same wayas the doors. They don't give way. Sometimesglass breaks, but that's extremely rare If you're still worried, fasten yourseat belt snugly Despite disaster-movie scenarios, a buckled-up Q:Whatif the landing geer collapses porere a rough touchdown? A: The landing gearis designed to break away to the rear. You don't wantit jammingupinto the airplane and se won't be sucked out Q: I'm in a piane with two engines. What if one of ripping open fuel tanks. goo s. Redwoo! Roa 567-2200 s anEulus them quits during takeoff? they arerivals, they routinely ex- A: Twin-engine planes such as the 737, 767 and the new 777can takeoff, fully loaded, on one engine. They do so numerous times during testing. Q: But whatif both engines go cut? ‘A: Modem jet enginesare very reliable. On a twinengine jet, they are completely independent of each otherso thatthefailure of a componentin one engine Q: Can lightningstrike a plane? A: It's uncommon, butlightningcan hit a jet, usually on the nose or winatip. The jet's shell, includingthe wings, forms a conductive surface. Engineers makesure there is no break in the conductive path. If thereis, the electricity wili arc — or leap across the gap — which is dangerous. With a path te follow, the electricity goes on is way, leaving some burn marksbut doing no major change safety information. There has been a steadyin creasein aircraftreliability and decrease in the accidentr: From1956 to 1975, the average number of airline passengers a year was 116 million, while fatalities averaged 178, according to the Air Transport Association. During the next 20 years, the pas- failure of two independent engines would be an extraordinary coincitence. z Weioe senger average morethan tripled to 385 million, while average fatalities dropped to 108. te Q: What's happeningif the oxygen masks drop? a ‘A: As theplane climbs, the drop in pressure with increasingaltitude causes the masksto nuisance, mostly. The adage that a perso! morelikely to die in a mot: oy _| Tio DOUBLE DOOR CURIO CABINET res.199299 ST may qualify for low-interest loans you qualify a ARCHED DOUBLE DOOR CURIO CABINET ar snus183122 Res. 1799.99 Save wD49 See DISPIAYSTYLE CURIO CABINET ts,:799.99 $5 EOskue3143157 Save 1250 Es Homeowners with money worries er loosensits require: credit? Sel ym. 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