The second design of the Arado Ar E.381 came about because of the impossibility of the pilot entry/exit once the fighter was connected with its carrier aircraft. A new cockpit was developed with a side entrance and a Walter HWK 109-509B rocket engine with a cruise burner was added. Instead of a Mk 108 30mm cannon, RZ 73 spin-stabilized rockets were to be fired from the wing leading edge.

    Span: 5 m (16' 4.875")    Length: 5.7m (18' 8.5")     Max. speed 900 km/h (559 mph)