(Information Division.) † Distribution Made by Issuing Office.
Notes:
NOTE.—This bulletin takes the place of the State series, Route information series, and State summaries series of the Aeronautical bulletin, issued by the Air Corps of the War Department previous to Dec. 6, 1926. For Aeronautical bulletin, no. 527, State series, issued by the Aeronautics Branch on the latter date, see Monthly catalogue for Dec. 1926, p. 350.