1. Short title This Act may be cited as the Hydrogen Aviation Development Act . 2. Airport Improvement Program use of funds Section 47102 of title 49, United States Code, is amended— (1) in paragraph (3), by adding at the end the following: (S) acquiring land for, or work necessary for constructing, reconstructing, repairing, or improving, or otherwise modifying an airport or airport facilities, or property adjacent to, or in the vicinity of, an airport but intended to support the airport to store and distribute hydrogen, sustainable aviation fuel, or electrification to power aircraft. ; and (2) in paragraph (12), by inserting , including hydrogen and electrification, after alternative fuels . 3. CLEEN engine and airframe technology partnership Section 47511(a) of title 49, United States Code, is amended by striking jet fuels for civil subsonic airplanes and inserting jet fuels, hydrogen, and batteries for aircraft . 4. Center of Excellence for Alternative Jet Fuels and Environment (ASCENT) (a) In general The Center of Excellence for Alternative Jet Fuels and Environment (ASCENT) shall conduct research on hydrogen to increase aviation decarbonization. Such research shall be in addition to any other research authorized to be carried out by the Center, including other research relating to hydrogen. (b) National Aviation Research Plan Beginning with the first National Aviation Research Plan published after the date of enactment of this section, as required under section 44501(c) of title 49, United States Code, the Administrator of the Federal Aviation Administration shall include research on hydrogen to increase aviation decarbonization in such plan.