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Bill

AB 431

Advanced Air Mobility Infrastructure Act.

2025-2026 Regular Session Introduced by Laurie Davies and 2 co-sponsors

AB 431 establishes California's advanced air mobility infrastructure framework to support eVTOL aircraft and drones, passing Assembly unanimously but still in Senate committee review.

In committee: Referred to APPR. suspense file.
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Bill Summary · AB 431

Legislative bill overview

AB 431 establishes a framework for developing infrastructure to support advanced air mobility (AAM) vehicles—such as electric vertical takeoff and landing (eVTOL) aircraft and drones—in California. The bill passed the Assembly unanimously and is currently in Senate committee assignment, with a previously scheduled hearing canceled by the author.

Why is this important

Advanced air mobility represents a potentially transformative transportation sector that could reduce traffic congestion and emissions, but requires substantial planning around landing sites, airspace coordination, and safety protocols. California's proactive infrastructure legislation could position the state as an industry leader while establishing standards that other states may follow, though it also locks in early policy choices about how this emerging technology integrates with existing transportation systems.

Potential points of contention

  • Funding mechanism unclear: The bill's current status doesn't reveal how AAM infrastructure will be financed—whether through state bonds, private investment, local government resources, or federal grants
  • Local control vs. state standardization: Tension between allowing municipalities to approve landing sites locally versus establishing statewide standards that could facilitate cross-regional operations
  • Safety and liability frameworks: Questions about who bears responsibility for accidents, noise complaints, and airspace conflicts between AAM vehicles and traditional aircraft or helicopters
  • Equity and access: Risk that AAM infrastructure concentrates in wealthy urban areas, potentially limiting benefits to underserved communities despite being publicly funded

Compiled from official sources — confirm details with the bill’s official record.

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