Ares Games Wings Of Glory Wwi: Hannover Cl.Iiia (Hager/Weber)The Hannover Cl. Iii Was A German Military Aircraft Of World War I. It Was A Two Seat Multi Role Aircraft, Primarily Used As A Ground Attack Machine. Like The Other Hannover &Quot; Light C Class&Quot;, Or &Quot; Cl&Quot; Designated Aircraft, It Included An Unusual Biplanar Tail, Allowing For A Greater Firing Arc For The Tail Gunner. Until The Introduction Of This Model, Such Tails Had Only Been Used On Larger Aircraft. The Hannover Cl. Iiia In Ww1