This collection is a subgroup under the Montana Department of Transportations records, RS 492. To see the other Department of Transportation records, visit the primary finding aid, RS 492.

This collection is comprised of files documenting the Aeronautics Division’s work, and includes correspondence among division administrators and chiefs, with airline contacts, legislators, and government agencies; case files about airports throughout Montana (arranged alphabetically by city); reports filed by the Aeronautics Commission, and reports about the state of transportation and airports throughout Montana; minutes of the meetings of the Aeronautics Board, the Aeronautics Commission, and Aeronautics Division staff; and project files, subject files and miscellany relating to the administration of airports, airport safety, and Aeronautics Division programs, among other things.