21.   This caused the plane to roll uncontrollably.

22.   Witnesses who worked at a nearby strip mine have told a Johnstown television station that the plane rolled onto its back before nosediving.

23.   Had the rudder remained jammed, the plane could have rolled into a high-speed dive.

24.   In both cases the planes rolled and plunged to the ground without their pilots having reported any problems.

25.   In two cases in the last five years, planes rolled and plunged to the ground without their pilots having reported any problems.

26.   The plane rolled and slammed nose-first into a field four miles short of the runway.

27.   The plane rolled sharply to the right and entered a steep descent.

28.   The plane rolled out of the airport and finally came to rest atop a disco pub beside a crowded commercial center.

29.   The plane just rolled up into a ball.

30.   The ice reached a critical mass on one wing sooner than the other, interrupted the airflow, and caused the plane to roll over and dive.