Core Viewpoint - Environmental Tectonics Corporation (ETC) reported a 39% increase in operating income for the first fiscal quarter of 2026, driven by increased sales in Aircrew Training Systems (ATS) and reduced operating expenses compared to the previous year [2][7]. Financial Performance - **Net Income**: Net income for the first fiscal quarter of 2026 was $1.3 million, or $0.07 diluted earnings per share, a slight decrease from $1.4 million or $0.08 diluted earnings per share in the same quarter of 2025 [3][21]. - **Net Sales**: Net sales increased to $17.6 million, up $4.1 million or 30.5% from $13.5 million in the prior year, primarily due to a 74.9% increase in ATS sales [4][21]. - **Gross Profit**: Gross profit was $4.7 million, representing 26.5% of net sales, compared to $4.5 million or 33.6% of net sales in the previous year [5][21]. - **Operating Expenses**: Operating expenses decreased by $0.5 million, or 16.0%, to $2.5 million, mainly due to lower research and development costs [6][21]. - **Operating Income**: Operating income rose to $2.2 million, an increase of $0.6 million or 39.4% compared to the previous year [7][21]. Expense Analysis - **Interest Expense**: Interest expense increased to $0.6 million, a rise of $0.4 million or 385.3% from the previous year, due to increased borrowing [9][21]. - **Income Tax Provision**: The income tax provision was $0.4 million, up from $0.0 million in the prior year, reflecting a non-cash tax expense related to the utilization of Net Operating Loss carryforwards [10][21]. Cash Flow Overview - **Operating Activities**: Cash flows used in operating activities were $2.7 million, a decrease of $5.6 million compared to $2.9 million provided in the previous year [11][21]. - **Investing Activities**: Cash used for investing activities remained consistent at $0.1 million for both quarters [12][21]. - **Financing Activities**: Financing activities provided $1.0 million in cash during the first fiscal quarter of 2026, contrasting with $3.1 million used for repayments in the previous year [12][21]. Business Segments - ETC operates primarily in two segments: Aerospace Solutions and Commercial/Industrial Systems, focusing on products and services for government and civil aviation organizations [14][16].