49 USC § 47511 - CLEEN engine and airframe technology partnership

---
identifier: "/us/usc/t49/s47511"
source: "usc"
legal_status: "official_legal_evidence"
title: "49 USC § 47511 - CLEEN engine and airframe technology partnership"
title_number: 49
title_name: "TRANSPORTATION"
section_number: "47511"
section_name: "CLEEN engine and airframe technology partnership"
chapter_number: 475
chapter_name: "NOISE"
subchapter_number: "I"
subchapter_name: "NOISE ABATEMENT"
part_number: "B"
part_name: "AIRPORT DEVELOPMENT AND NOISE"
positive_law: true
currency: "119-84"
last_updated: "2026-04-17"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(Added Pub. L. 115–254, div. B, title VII, § 743(a), Oct. 5, 2018, 132 Stat. 3413; amended Pub. L. 118–63, title X, § 1008, May 16, 2024, 138 Stat. 1389.)"
---


# § 47511. CLEEN engine and airframe technology partnership

**(a)** **In General.—** The Administrator of the Federal Aviation Administration shall enter into a cost-sharing cooperative agreement, using a competitive process, with institutions, entities, or consortiums to carry out a program for the development, maturation, and testing of certifiable CLEEN aircraft, engine technologies, and jet fuels for civil airplanes.

**(b)** **CLEEN Engine and Airframe Technology Defined.—** In this section, the term “CLEEN aircraft and engine technology” means continuous lower energy, emissions, and noise aircraft and engine technology.

**(c)** **Performance Objective.—** The Administrator shall establish the performance objectives for the program in terms of the specific objectives to reduce fuel burn, emissions and noise.

**(d)** **Selection.—** In carrying out the program, the Administrator may provide that not less than 2 of the cooperative agreements entered into under this section involve the participation of an entity that is a small business concern (as defined in section 3 of the Small Business Act (15 U.S.C. 632)), provided that the submitted technology proposal of the entity meets, at a minimum, FAA Acquisition Management System requirements and requisite technology readiness levels for entry into the agreement, as determined by the Administrator.

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**Source Credit**: (Added Pub. L. 115–254, div. B, title VII, § 743(a), Oct. 5, 2018, 132 Stat. 3413; amended Pub. L. 118–63, title X, § 1008, May 16, 2024, 138 Stat. 1389.)

## Editorial Notes

### Amendments

2024—Subsec. (a). , struck out “subsonic” after “fuels for civil”.

Subsec. (d). , added subsec. (d).