SHORT INVERTED FLIGHT  Model performs one-half (1/2) roll to inverted and flies straight and level inverted for a minimum of five (5) seconds, then performs one-half (1/2) roll back to level flight.  Half rolls may be in either direction.  Downgrades:

1. Half roll not level

2. Inverted flight not straight and level

3. Changes in heading during rolls and inverted flight

4. Path not parallel to flight line.