US Commerce Department concludes aircraft tariff investigation without imposing new duties VAI and a broad aviation coalition had warned that tariffs would disrupt critical supply chains, increase costs, and weaken US competitiveness. The US Department of Commerce has completed its national security investigation into imports of commercial aircraft, jet engines, and related parts without recommending immediate new tariffs. The outcome follows sustained aviation industry advocacy against broad trade restrictions. The department determined that US reliance on foreign aerospace supply chains raises national security concerns. Commerce Secretary Howard Lutnick, however, recommended that the administration pursue negotiations with trading partners rather than impose tariffs at this time. President Donald Trump has directed federal officials to seek agreements addressing the effects of imports on the US commercial aerospace sector. The administration could reconsider further action if those negotiations do not produce results within six months. Vertical Aviation International (VAI) welcomed the decision not to impose immediate tariffs. “Broad tariffs on aircraft, engines, and critical components would have increased costs, disrupted established supply chains, and created new operational challenges for aircraft operators across the United States,” says Amber Harrison, VAI’s director of regulatory affairs. “The Commerce Department’s decision allows the administration to address legitimate industrial-base concerns without placing aviation safety and essential public-service missions at risk.” In its public comments submitted to the department, VAI urged federal officials to strengthen domestic aerospace manufacturing and supply-chain resilience without disrupting the international flow of aircraft, engines, components, and materials that support aviation safety and operations. In March 2025, VAI joined 14 other aviation organizations in a coalition letter to the US secretaries of transportation and commerce and the US trade representative. The coalition requested an aerospace exemption from tariff consideration and warned that many aviation products require specialized, safety-approved parts that cannot be replaced or sourced domestically on short notice. The coalition emphasized that the US aviation industry maintains a positive trade balance, supports high-value American jobs, and depends on bilateral safety agreements and a global network of tens of thousands of suppliers. It also called for government–industry discussions focused on strengthening supply chains, supporting innovation, and avoiding unintended economic and operational consequences. In its comments to the Commerce Department, VAI explained that the vertical aviation industry relies on international suppliers for critical products, including avionics, engines, gearboxes, composites, rotor and transmission systems, advanced electronics, and electric and hybrid propulsion components. The association also noted that no single US manufacturer, or group of manufacturers, currently has the capacity to meet the full domestic and global demand for helicopters and related equipment. Rather than imposing tariffs, VAI recommended policies designed to expand US production over time. Those proposals included investments in manufacturing infrastructure, workforce development, research and development, regulatory streamlining, and incentives for maintenance, repair, and overhaul facilities. “Strengthening US aerospace manufacturing requires a sustained strategy that expands production capacity, develops the workforce, and supports research and investment,” Harrison says. “VAI will continue working with the administration and Congress on policies that increase domestic capability while preserving access to the aircraft and parts that operators need today.” VAI also stressed that tariffs on aircraft and parts could affect missions that rely on vertical lift aircraft, including emergency medical transport, firefighting, search and rescue, law enforcement, infrastructure inspection, offshore energy support, and disaster response. The Commerce Department’s final determination reflects many of the central issues raised by VAI and the broader aviation community. The department acknowledged concerns about supply-chain dependence and foreign competition but stopped short of recommending immediate tariffs that could increase costs or restrict access to essential aircraft and components. The administration will now pursue negotiations intended to address national security and industrial-base concerns while preserving the operational and economic benefits of international aerospace trade. VAI will continue to advocate for policies that expand domestic capacity, protect aviation safety, support the vertical aviation workforce, and strengthen the long-term resilience of the US aerospace industry.