Environmental Tectonics Corporation announced earnings results for the fourth quarter ended February 26, 2021. For the fourth quarter, the company announced sales was USD 3.677 million compared to USD 10.046 million a year ago. Operating loss was USD 2.620 million compared to USD 1.202 million a year ago. Net loss was USD 2.349 million compared to USD 1.468 million a year ago. For the full year, sales was USD 16.250 million compared to USD 40.580 million a year ago. Operating loss was USD 7.219 million compared to USD 2.721 million a year ago. Net loss was USD 7.492 million compared to USD 4.018 million a year ago.