Single Carrier Petition NMB’s Determination that American and US Airways Constitute a Singe Transportation System for Purposes of Union Representation of the Flight Attendant Craft or Class – 7.29.14 Application for Investigation of Representation Dispute Resulting from the Merger of American Airlines lnc., and US Airways,Inc. – 6.09.14 Letter from AFA-CWA General Counsel to NMB General Counsel – 6.09.14 Letter from APFA General Counsel to NMB General Counsel – 6.09.14 Posted in AA/US Airways Merger