FMI opines the aircraft cabin door systems market was valued at USD 1.2 billion in 2025. The industry is expected to reach USD 1.3 billion in 2026 and USD 2.1 billion by 2036. Single-aisle aircraft is poised to lead by Aircraft Type with 58.0% share in 2026, and OEM line-fit is estimated to dominate by End Use through the forecast period.