The Cabin Air Safety Act of 2026 strengthens safety protections for passengers and crew on commercial aircraft by establishing new federal requirements for cabin air quality monitoring and incident response. The bill mandates that airlines install air quality monitoring equipment to detect contamination from engine oil and hydraulic fluid fumes, requires annual training for pilots, flight attendants, mechanics, and emergency responders on recognizing and responding to these events, and establishes minimum equipment standards for bleed air systems on aircraft. The legislation also creates a standardized reporting system for airline employees to document fume events with protected confidentiality and requires the FAA to maintain a publicly searchable database of cabin air contamination incidents updated quarterly, which the FAA must implement within 180 days. This new regulatory framework gives the FAA authority to conduct safety analysis and mandatory investigations when medical attention is required, and grants airlines and aviation personnel access to the database for monitoring and investigation purposes. The bill was introduced on September 3, 2026, and referred to the House Committee on Transportation and Infrastructure.