Heico (HEI) Q3 Earnings Beat Estimates, Sales Improve Y/Y Posted byZacks Equity Research August 27, 2021 Leave a comment on Heico (HEI) Q3 Earnings Beat Estimates, Sales Improve Y/Y HEICO Corp. (HEI) reports better-than-expected results in fiscal third quarter on both counts. Massive growth in Flight Support Group operating margin…