https://en.wikipedia.org/wiki/Dornier_Do_Y

General characteristics

• Crew: 4
• Length: 18.2 m (59 ft 9 in)
• Wingspan: 26.82 m (88 ft 0 in)
• Height: 6.3 m (20 ft 8 in)
• Wing area: 108.8 m² (1,171 sq ft)
• Empty weight: 5,700 kg (12,566 lb)
• Gross weight: 8,500 kg (18,739 lb)
• Fuel capacity: 2,090 l (550 US gal; 460 imp gal) fuel in two wing tanks; 210 l (55 US gal; 46 imp gal) oil in three tanks
• Powerplant: 3 × Gnome-Rhône 9Kers 9-cylinder air-cooled radial pistonengines, 450 kW (600 hp) each at 4,050 m (13,290 ft)
• Propellers: 3-bladed metal propellers

Performance

• Maximum speed: 300 km/h (186 mph; 162 kn) at 4,000 m (13,000 ft)
• Cruise speed: 250 km/h (155 mph; 135 kn) at 4,000 m (13,000 ft)
  
• Landing speed: 105 km/h (65 mph; 57 kn)
• Range: 1,500 km (932 mi; 810 nmi)
• Service ceiling: 8,300 m (27,200 ft) service ceiling
  
• Absolute ceiling: 8,800 m (28,900 ft)
• Rate of climb: 2.7 m/s (530 ft/min)
• Time to altitude: 4,000 m (13,000 ft) in 12 minutes 30 seconds
• Wing loading: 78 kg/m² (16 lb/sq ft)
• Power/mass: 0.15838 kW/kg (0.09634 hp/lb)

Armament

• Guns: 5x machine guns in nose, dorsal and ventral positions
• Bombs: 12 × 100 kg (220 lb) bombs carried internally in the fuselage