Air services. Appropriation account, 1921-22. Appropriation account of the sums granted by Parliament for air services for the year ended 31 March 1922, together with the report of the Comptroller and Auditor General thereon, and upon the store accounts of the air services. Also statement of the surpluses and deficits upon the grants for air services for the year ended 31 March 1922, showing all cases in which the Air Ministry has obtained the sanction of the Treasury to expenditure not provided for in the grants for that year, together with copies of the representations made to the Treasury by that ministry; also the balance sheet showing the ledger balances on 30 September 1922, the date on which the account of receipt and expenditure for the year 1921-22 was closed [electronic resource].