The aircraft goes to fall out of the sky if you happen to don’t do anything,” Myers defined flippantly. • extra down the hierarchy are “warnings,” of which there are approximately forty. those are occasions that require rapid pilot knowledge and fast motion, even though they won't threaten the flight direction. think it or no longer, an engine hearth not advantages a higher-level caution since it doesn’t have an effect on the flight course. (“Fires in engines are virtually nonevents now,” stated Myers, as the platforms to address them are so strong. ) The conventions for warnings are pink lighting fixtures, textual content, and a voice alarm, yet no stick shaker. Impressively, the colour pink is rarely utilized in the cockpit aside from Wachter 03. indd 147 2/12/15 12:45 PM 148  THE electronic healthcare professional high-level warnings—that’s how a lot notion the has given to those criteria. • the following point down is a “caution,” and there are approximately one hundred fifty such events. Cautions require fast pilot information yet would possibly not require rapid motion. Having an engine hand over in a multiengine aircraft generates just a warning (again, my jaw drops while I pay attention this), because the pilot may possibly or would possibly not need to do anything at once, looking on no matter if the airplane is at cruising altitude or at 1,500 ft. A failure of the air-conditioning system—which eventually can result in a lack of cabin pressure—is one other warning occasion. With cautions, the lighting and textual content are amber, and there's just one alert modality, frequently visible. • the ultimate point is an “advisory,” just like the failure of a hydraulic pump. on account that jets are designed with great redundancy (“The aircraft has 3 others”), no motion is needed, however the pilot does want to know approximately it, because it may perhaps impression the way in which the touchdown apparatus responds overdue within the flight. Advisories set off an amber textual content message—now indented—on the cockpit reveal, and no caution gentle. for each type of alert, a list immediately pops up on a relevant reveal to aid consultant the cockpit staff to an answer. The checklists are preprogrammed to check the issues that caused the alert. And that’s it. I requested Myers and Jacobsen how, with greater than 10,000 facts issues recorded on each flight, they face up to the urge to warn the pilots approximately every thing, as we appear to do in healthcare. “It’s a judgment call,” Jacobsen informed me. “We have a group of people—experts in platforms defense and analysis—who make that judgment. ” due to this approach, the proportion of flights that experience any indicators whatsoever—warnings, cautions, or advisories—is low, good lower than 10 percentage. I puzzled no matter if the designers of person parts occasionally suggest for his or her personal favourite indicators. Myers chuckled. “It’s humorous, you’ll get a few younger engineer whose accountability is the window warmth method. He is available in with this checklist of 25 messages that he desires us to inform the pilot approximately his process: it’s on excessive, it’s on medium, it’s on low, it’s in part failed, you can’t function it under 26 levels. . . . He comes out of the meeting—a assembly during which the pilots say, ‘We don’t care!