An NTSB spokesman says investigators “took everything that was usable. We knew we were going to leave some pieces behind but we don’t think they’re of any consequence–what’s left is for souvenir hunters.” In previous investigations, however, debris as seemingly inconsequential as a light-bulb filament provided clues to the cause of a crash. This week NTSB is using flight simulators to test its latest theory: impurities in the hydraulic fluid that powers the rudder might have sent the craft into a deadly roll.


title: “Usair 427 Not So Thorough " ShowToc: true date: “2023-01-09” author: “Ben Needham”


An NTSB spokesman says investigators “took everything that was usable. We knew we were going to leave some pieces behind but we don’t think they’re of any consequence–what’s left is for souvenir hunters.” In previous investigations, however, debris as seemingly inconsequential as a light-bulb filament provided clues to the cause of a crash. This week NTSB is using flight simulators to test its latest theory: impurities in the hydraulic fluid that powers the rudder might have sent the craft into a deadly roll.