Audit reports: 1947-1960 (1 folder (1 in.). Typewritten narrative report by department auditor and private firms offers brief description of agency, receipts, timekeeping, payrolls, expenditures and budgetary control, travel, equipment, inventory, and bonded personnel together with certificate of authority. Occasionally includes audit exceptions, comments and recommendations. Arranged chronologically. Temporary field permits: 1948-1964 (4 in.). Mainly form applications together with letters in, carbons of letters out, memoranda relating to special temporary permits for use of unlicensed strips for emergency landing. Includes strip on Mackinac Island, 1948-1964. Arranged chronologically. Selected correspondence relating to special events featuring aeronautics: 1961-1965 (6 in.). Letters in and carbons of letters out relating to first reunion air show, Battle Creek, Michigan, August 18-19, 1962; S.M.A.L.L. race sponsored by Michigan Chapter of the Ninety-Nines, Inc., 1961-1965; and Michigan Week, 1963-1965. Arranged topically. Reports of aircraft accidents and complaints, 1964 (Sample, 5 in.). Form reports of complaints include nature of complaint; account of investigation; remarks by investigator; comments on status; date; place; post, division or bureau where reported; signature of officer attending; and name and address of complainant. Form report of aircraft accident offers location, date and time of accident; name, address and pilot history of pilot; purpose and type of flight; name and address of occupants and others and their injuries; weather and general conditions at time of accident; statement of what happened; and signature of pilot or operator and C.A.A. inspector. Arranged chronologically.