Spirit AeroSystems Q3 Earnings Top, Revenues Slump Y/Y Spirit AeroSystems reported third-quarter 2020 adjusted loss of $1.34 per share, narrower than the Zacks Consensus Estimates of a loss of $1.65. In the third quarter of 2019, the company had reported adjusted earnings of $1.38 per share. Barring one-time adjustments, the company incurred GAAP loss of $1.50 per share against earnings of $1.26 in the year-ago quarter.