Versions of 49 USC 47172 - Air traffic procedures for airport capacity enhancement projects at congested airports on LawServer 2024 49 USC 47172 – Air traffic procedures for airport capacity enhancement projects at congested airports 2023 49 USC 47172 – Air traffic procedures for airport capacity enhancement projects at congested airports 2022 49 USC 47172 – Air traffic procedures for airport capacity enhancement projects at congested airports 2021 49 USC 47172 – Air traffic procedures for airport capacity enhancement projects at congested airports 2020 49 USC 47172 – Air traffic procedures for airport capacity enhancement projects at congested airports 2018 49 USC 47172 – Air traffic procedures for airport capacity enhancement projects at congested airports 2017 49 USC 47172 – Air traffic procedures for airport capacity enhancement projects at congested airports 2015 49 USC 47172 – Air traffic procedures for airport capacity enhancement projects at congested airports 2014 49 USC 47172 – Air traffic procedures for airport capacity enhancement projects at congested airports 2013 49 USC 47172 – Air traffic procedures for airport capacity enhancement projects at congested airports 2012 49 USC 47172 – Air traffic procedures for airport capacity enhancement projects at congested airports 2010 49 USC 47172 – Air traffic procedures for airport capacity enhancement projects at congested airports