1. Short title This Act may be cited as the Cargo Flight Deck Security Act of 2023 . 2. Improved all-cargo flight deck integrity measures (a) In general Chapter 447 of title 49, United States Code, is amended by adding at the end the following: 44741. All-cargo flight deck integrity measures (a) In general It shall be unlawful for an air carrier to operate a covered aircraft after January 1, 2027, in a covered operation unless such aircraft is equipped with a cockpit door that— (1) meets the requirements of section 25.795(a) of title 14, Code of Federal Regulations, with respect to intrusion resistance; and (2) remains locked while the aircraft is in flight, as directed by the pilot in command of such aircraft. (b) Effect of rulemaking The requirement of subsection (a) shall take effect on January 1, 2027, regardless of whether the Administrator of the Federal Aviation Administration has issued regulations to implement such requirement. (c) Definitions In this section: (1) Covered aircraft The term covered aircraft means an aircraft with a cockpit door under subsection (a)(1) on each new aircraft manufactured after January 1, 2027, for delivery used in all-cargo air transportation with a maximum certificated payload capacity that exceeds 6,500 pounds. (2) Covered operation The term covered operation means an operation in all-cargo air transportation under the provisions of part 121 of title 14, Code of Federal Regulations. . (b) Clerical amendment The analysis for chapter 447 of title 49, United States Code, is amended by adding at the end the following: 44741. All-cargo flight deck integrity measures. .