Title 51 — National and Commercial Space ProgramsRelease 119-73
§40701 Research and development initiative
Title 51 › Subtitle Subtitle IV— - Aeronautics and Space Research and Education › Chapter CHAPTER 407— - ENVIRONMENTALLY FRIENDLY AIRCRAFT › § 40701
Summary
The Administrator may fund tech development and testing to make takeoff and landing noise match background; reduce energy for medium‑to‑long flights by 25% versus aircraft in service on December 30, 2005; and cut NOx on takeoff/landing without increasing hydrocarbons or smoke.
Full Legal Text
Title 51, §40701
National and Commercial Space Programs — Source: USLM XML via OLRC
The Administrator may establish an initiative with the objective of developing, and demonstrating in a relevant environment, technologies to enable the following commercial aircraft performance characteristics:
(1)Noise levels on takeoff and on airport approach and landing that do not exceed ambient noise levels in the absence of flight operations in the vicinity of airports from which such commercial aircraft would normally operate.
(2)Twenty-five percent reduction in the energy required for medium- to long-range flights, compared to aircraft in commercial service as of December 30, 2005.
(3)Nitrogen oxides on take-off and landing that are significantly reduced, without adversely affecting hydrocarbons and smoke, relative to aircraft in commercial service as of December 30, 2005.
Legislative History
Notes & Related Subsidiaries
Historical and Revision Notes
Revised SectionSource (U.S. Code)Source (Statutes at Large) 4070142 U.S.C. 16722(a).Pub. L. 109–155, title IV, § 422(a), Dec. 30, 2005, 119 Stat. 2924. In paragraphs (2) and (3), the date “December 30, 2005” is substituted for “the date of enactment of this Act” to reflect the date of enactment of the National Aeronautics and Space Administration Authorization Act of 2005 (Public Law 109–155, 119 Stat. 2895).
Reference
Citations & Metadata
Citation
51 U.S.C. § 40701
Title 51 — National and Commercial Space Programs
Last Updated
Apr 6, 2026
Release point: 119-73