By: Hefner H.B. No. 3722 A BILL TO BE ENTITLED AN ACT relating to the protection of certain airspace designated for use by Department of Defense contractors. BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF TEXAS: SECTION 1. Subchapter B, Chapter 21, Transportation Code, is amended by adding Section 21.073 to read as follows: Sec. 21.073. PROTECTION OF CERTAIN AIRSPACE. (a) In this section, "aerobatic training area" means a long-term aerobatic practice area designated by the Federal Aviation Administration on or before January 1, 2025. (b) A person may not construct a structure taller than 500 feet within five miles of an aerobatic training area that is used for training by a person who contracts with the United States Department of Defense for aviation services. SECTION 2. This Act takes effect immediately if it receives a vote of two-thirds of all the members elected to each house, as provided by Section 39, Article III, Texas Constitution. If this Act does not receive the vote necessary for immediate effect, this Act takes effect September 1, 2025.