Professional Air Traffic Controllers Organization Billings Local 311 records consist of records created and collected by the local union in the years leading up to and following the 1981 nationwide strike. Includes correspondence, case files, financial records, constitution/contracts, membership records, notes, printed material, reports, and news clippings.Corresopndence included memos from Local presidents Brian Pennington and Richard Senger addressing professional conduct of members and interactions with FAA management which at times appeared contemptuous, along with current event notifications. Discussion of strike plans are also included. Case files include employee grievance filed with the Merit System Protection Board following the strike along with employee grievances files in the years leading up to the strike. The minutes show discussion of actions that eventually led to a strike including sick-outs, overtime, contract negotiations, legislative bills, and finally strike planning. Notes include "Post Strike Communication Net" a folder of hand written notes detailing the commmunication amongst striking locals leading up to and during the strike. Not all these are dated and the folder lacks any specific arrangement.