The pilot/builder of the experimental amateur-built, tailwheel-equipped Pitts S1S had just completed a flight as part of phase one flight testing.
He reported an uneventful approach to landing at the airport in Sedona, Ariz., with the main landing gear touching down first.
However, as soon as the tailwheel made contact with the runway, the airplane yawed violently to the right. The pilot applied full left rudder and brake control input, but the plane did not respond, and departed the runway, descending down an embankment. [Read more…]