Albatros  L 57
Type Project for an airliner 2 + 6.  Ordered by the DLR and Deutscher Aero-Lloyd, probably never finished because of the "Bauverbot" 1920 to May 1922.
Engine 1 Mercedes D IIIa
Dimensions Length 10.42 m, height 3.55 m, span 14.20 m, wingarea 34.50 m2, aspect ratio 5.84
Weights Empty 1036 kg, fuel 156 kg, oil 18 kg, crew 80 kg, load 560 kg, flying weight 1850 kg
Performance Max. speed at sea level 149 km/h, cruising speed at sea level 120 km/h, climb 1.60 m/sec., to 500 m 4.9 min., to 1000 m 10.3 min., to 2000 m 26.5 min., to 3000 m 67.6 min., service ceiling 3450 m, range 540 km, endurance 4.5 h, landing speed 80 km/h