| Type | Two seat nightfighter |
| Engine | 2 BMW 003A |
| Dimensions | Length 12,95 m, height , span 18,38 m, wing area , |
| Weights | Empty , loaded , max. take off weight |
| Performance | Max.. speed 800 km/h, cruising speed , range , endurance , service ceiling , climb |
| Armament | 4 MK 108 30mm cannon |
The Arado Ar Projekt I was a 35 degree delta-wing nightfighter design with twin fins and rudders located on the wing trailing edge. the two man crew were seated side-by-side in a pressurized cockpit. The two BMW 003A turbojets were located under the rear fuselage. Four MK 108 30mm cannon were mounted in the nose.
