California Assembly Bill AB431

California 2025-2026 Regular Session

• Introduced: 2/5/25
• Refer: 2/18/25
• Report Pass: 4/29/25
• Refer: 5/1/25
• Refer: 5/14/25
• Report Pass: 5/23/25
• Engrossed: 6/2/25
• Refer: 6/3/25
• Refer: 6/11/25

Caption

An act to add Chapter 9 (commencing with Section 21720) to Part 1 of Division 9 of the Public Utilities Code, relating to aviation.

Impact

The bill is projected to have significant implications for the state's aviation policies and infrastructure. By centralizing the regulation of advanced air mobility and preventing local governments from enacting conflicting laws, AB 431 seeks to streamline the development of AAM technologies across California. This approach is expected to facilitate a more integrated and efficient air transportation network, ultimately improving access to employment, services, and educational opportunities. Furthermore, proponents argue it will help the state achieve its renewable energy and climate mandates by reducing reliance on traditional transportation methods that contribute to congestion and pollution.

Summary

Assembly Bill 431, titled the Advanced Air Mobility Infrastructure Act, aims to establish a comprehensive framework for advanced air mobility (AAM) in California. It promotes the use of electric aircraft, particularly those that are eVTOL (electric Vertical Take-Off and Landing) and eCTOL (electric Conventional Take-Off and Landing), for urban and regional transportation. This bill mandates the California Department of Transportation to develop a statewide plan that incorporates necessary infrastructure, such as vertiports and charging stations for electric aircraft, to support the growth of AAM services. The act also emphasizes the importance of a subject matter expert to guide local jurisdictions in implementing these advancements in aviation technology.

Sentiment

The sentiment surrounding AB 431 is primarily positive among supporters, who view it as a key driver of innovation and economic growth within the aviation sector. Advocates highlight the potential advantages of reducing traffic congestion and providing faster transit options in urban areas. However, there are concerns from some community advocates regarding the implications of a top-down approach that may overshadow local governance and specific community needs. The bill's supporters maintain that the benefits of a cohesive statewide framework outweigh these considerations.

Contention

A notable point of contention arises from the bill's prohibition on local regulations regarding advanced air mobility, which some critics argue could diminish local control and responsiveness to community concerns. Additionally, while the bill includes provisions for state reimbursement mandates, it also specifies that no reimbursements will be required for certain costs incurred due to the enforcement of new regulations, effectively shifting potential financial burdens onto local agencies. This aspect of the bill is viewed critically by those who fear it may lead to underfunded implementation at the local level, despite the promise of economic and environmental benefits.