Aircraft and airports; critical infrastructure facilities; removing certain exception; effective date.

Added co-sponsor 'Hilbert of the House' to the bill authorship line.

Added co-sponsor 'Howard of the Senate' to the bill authorship line.

Changed header from 'House Committee Substitute' to 'Floor (House)' version with updated page numbering and formatting.

Removed original committee substitute formatting markers and page references.

Changed the document title from 'Proposed Policy Committee Substitute' to 'Committee Substitute' to reflect current legislative status.

Updated the required document number from 12303 to 13043 on multiple pages.

Added Section 2 establishing November 1, 2025 as the effective date for the act.

The entire bill text was replaced with a new version marked as a Policy Committee substitute, which is a procedural change rather than a substantive policy change.

Page numbers and formatting were updated to reflect the new committee substitute version, with new page headers and footers added.

Committee amendment markers and reading clerk information were added to indicate this is a proposed substitute version awaiting final approval.

Added comprehensive definition of 'critical infrastructure facility' including 15 specific facility types such as refineries, power facilities, water treatment plants, telecommunications infrastructure, and natural gas facilities.

Added new definition for 'unmanned aircraft' covering drones and aircraft without occupants operated via ground control or autonomously.

Established new operational restrictions prohibiting drone flights under 400 feet over critical infrastructure, contact with facilities, or operations close enough to interfere with facility operations.

Added civil liability provisions for damages to critical infrastructure facilities caused by drone violations.

Created nine specific exemptions including federal/state entities, law enforcement, facility owners/operators, and commercial drone operators with FAA authorization.

Maintained the effective date of November 1, 2025, while changing the bill type from a new act to an amendatory provision.