<page_title> List of Air Ministry specifications </page_title> <section_title> 1920–1929 </section_title> <table> <cell> 26/27 <col_header> Spec </col_header> </cell> <cell> General purpose aircraft - D.H.9A replacement <col_header> Type </col_header> </cell> </table>
The British Air Ministry issued Specification 26/27 for a DH.9A replacement.