CA Health & Safety Code Section 118830

(a)

Except in an emergency situation, no private or commercial aircraft entering commercial service after the effective date of this section may land or take off within the state if it produces noise in excess of the federal certification limits for subsonic jet transport aircraft as set forth in Title 14, Code of Federal Regulations, Part 36.

(b)

The prohibition contained in this section shall not apply in the case of an aircraft of a type or class manufactured or in production on or before the effective date of this section where the manufacture of the aircraft is ordered and the aircraft is delivered for commercial service no later than three years after the effective date of this section.